{"id":2824,"date":"2026-07-20T14:37:58","date_gmt":"2026-07-20T12:37:58","guid":{"rendered":"https:\/\/gekkophotonics.com\/sulfur-thiosulfate-fertilizers\/"},"modified":"2026-07-20T14:37:58","modified_gmt":"2026-07-20T12:37:58","slug":"sulfur-thiosulfate-fertilizers","status":"publish","type":"page","link":"https:\/\/gekkophotonics.com\/de\/schwefel-thiosulfat-duenger-ats-inline-prozessanalytik\/","title":{"rendered":"Sulfur &#038; thiosulfate fertilizers (ATS) &#8211; inline process analytics | Gekko Photonics"},"content":{"rendered":"<style>.elementor-2824 .elementor-element.elementor-element-725eceb{margin-top:0px;margin-bottom:0px;padding:0px 0px 0px 0px;}.elementor-2824 .elementor-element.elementor-element-6c4a91d > .elementor-element-populated{padding:0px 0px 0px 0px;}@media(min-width:768px){.elementor-2824 .elementor-element.elementor-element-6c4a91d{width:100%;}}<\/style>\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2824\" class=\"elementor elementor-2824 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data-widget_type=\"html.default\">\n\t\t\t\t\t<style>.gk-ms-host,.gk-ms-host>.elementor-container,.gk-ms-col,.gk-ms-col>.elementor-widget-wrap,.gk-ms-col .elementor-widget-html,.gk-ms-col .elementor-widget-html>.elementor-widget-container{margin:0!important;padding:0!important;max-width:none!important;width:100%!important}<\/style>\n<style>\n\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@300;400;500;600;700;800&display=swap');\n\n#gkms{\n  \/* --- brand tokens (from colors_and_type.css) --- *\/\n  --gk-blue:#019FE2; --gk-blue-600:#0088C2; --gk-blue-400:#3DB6E8; --gk-blue-100:#D6EFFA; --gk-blue-50:#EDF8FD;\n  --gk-navy-deep:#2B2E83; --gk-navy-dark:#192A3D; --gk-navy-800:#1F2A4A; --gk-slate:#3A4F66;\n  --gk-gold:#F3C969; --gk-white:#FFFFFF; --gk-off:#FAFBFC;\n  --g50:#F5F6F8; --g100:#E8EBEF; --g200:#D3D8DF; --g300:#B5BCC5; --g400:#8A93A0; --g500:#5E6676; --g600:#3F485A; --g700:#2A3342; --black:#0D0D0D;\n  --ok:#2BB673; --warn:#F3C969; --bad:#E04B4B;\n  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auto;padding:0 24px}\n#gkms .hero .display{color:#fff;max-width:17ch}\n#gkms .hero .display .accent{color:var(--gk-blue-400)}\n#gkms .hero .lead{color:#C8D0DC;max-width:56ch;margin-top:22px}\n#gkms .hero .eyebrow{color:var(--gk-blue-400)}\n#gkms .hero .eyebrow::before{background:var(--gk-blue-400)}\n#gkms .badges{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 32px}\n#gkms .badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;padding:8px 15px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#DCE4EF}\n#gkms .badge b{color:#fff;font-weight:800}\n#gkms .hero-cta{display:flex;flex-wrap:wrap;gap:12px}\n#gkms .scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:rgba(255,255,255,.5);font-size:22px;animation:bob 1.8s var(--ease) infinite}\n@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}\n\n\/* ---- generic reveal ---- *\/\n#gkms .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}\n#gkms .reveal.in{opacity:1;transform:none}\n\n\/* ---- context strip (spec-sheet band) ---- *\/\n#gkms .ctx{background:var(--gk-off)}\n#gkms .ctx-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}\n#gkms .ctx-item{padding:2px 30px}\n#gkms .ctx-item + .ctx-item{border-left:1px solid var(--g200)}\n@media(max-width:820px){#gkms .ctx-grid{grid-template-columns:repeat(2,1fr);gap:34px 0}\n  #gkms .ctx-item{padding:2px 26px}\n  #gkms .ctx-item:nth-child(odd){padding-left:0;border-left:none}\n  #gkms .ctx-item:nth-child(3),#gkms .ctx-item:nth-child(4){padding-top:0}}\n@media(max-width:520px){#gkms .ctx-grid{grid-template-columns:1fr;gap:28px 0}\n  #gkms .ctx-item{padding:0;border-left:none}}\n#gkms .ctx-item:first-child{padding-left:0}\n#gkms .ctx-item .k{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue);margin-bottom:12px}\n#gkms .ctx-item .v{font-weight:800;color:var(--gk-navy-deep);font-size:18px;line-height:1.22;letter-spacing:-.01em}\n#gkms .ctx-item p{font-size:14px;color:var(--gk-slate);margin-top:10px;line-height:1.55}\n\n\/* ---- chemistry tabs ---- *\/\n#gkms .tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}\n#gkms .tab{font-family:var(--font);font-weight:700;font-size:14px;padding:11px 20px;border-radius:var(--r-pill);border:1px solid var(--g200);background:#fff;color:var(--gk-slate);cursor:pointer;transition:.18s var(--ease)}\n#gkms .tab:hover{border-color:var(--gk-blue-400);color:var(--gk-blue)}\n#gkms .tab.active{background:var(--gk-navy-deep);border-color:var(--gk-navy-deep);color:#fff}\n#gkms .tabpanels{position:relative;background:var(--gk-off);border:1px solid var(--g100);border-radius:var(--r-xl);padding:44px}\n@media(max-width:820px){#gkms .tabpanels{padding:26px}}\n#gkms .tabpanel{display:none;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}\n#gkms 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img{width:100%;height:100%;object-fit:cover}\n\n\/* ---- analyte + spectrum explorer ---- *\/\n#gkms .explorer{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:stretch}\n@media(max-width:900px){#gkms .explorer{grid-template-columns:1fr}}\n#gkms .analyte-list{display:flex;flex-direction:column;gap:10px}\n#gkms .analyte{display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:left;font-family:var(--font);\n  background:#fff;border:1px solid var(--g200);border-radius:var(--r-md);padding:16px 18px;cursor:pointer;transition:.18s var(--ease)}\n#gkms .analyte:hover{border-color:var(--gk-blue-400);transform:translateX(3px)}\n#gkms .analyte.active{border-color:var(--gk-blue);background:var(--gk-blue-50);box-shadow:var(--sh-sm)}\n#gkms .analyte .n{font-weight:700;color:var(--gk-navy-deep);font-size:15px}\n#gkms .analyte .band{font-size:12px;font-weight:700;color:var(--gk-blue);font-variant-numeric:tabular-nums;background:var(--gk-blue-100);padding:3px 9px;border-radius:var(--r-pill);white-space:nowrap}\n#gkms .spectrum-panel{background:var(--gk-navy-dark);border-radius:var(--r-xl);padding:28px;color:#fff;display:flex;flex-direction:column;box-shadow:var(--sh-lg)}\n#gkms .spectrum-panel .sp-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}\n#gkms .spectrum-panel .sp-live{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue-400);display:flex;align-items:center;gap:7px}\n#gkms .spectrum-panel .sp-live .dot{width:8px;height:8px;border-radius:999px;background:var(--gk-blue-400);animation:pulse 1.4s infinite}\n@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}\n#gkms .spectrum-panel .sp-read{font-variant-numeric:tabular-nums;font-size:13px;color:#93A1B5}\n#gkms .spec-svg{width:100%;height:200px;margin:10px 0 6px}\n#gkms .spec-svg .grid line{stroke:rgba(255,255,255,.06);stroke-width:1}\n#gkms .spec-svg .trace{fill:none;stroke:var(--gk-blue-400);stroke-width:2}\n#gkms .spec-svg .marker{stroke:var(--gk-gold);stroke-width:2;stroke-dasharray:4 4;opacity:0;transition:opacity .3s}\n#gkms .spec-svg .marker.on{opacity:1}\n#gkms .spec-svg .mlabel{fill:var(--gk-gold);font-size:11px;font-weight:700;opacity:0;transition:opacity .3s}\n#gkms .spec-svg .mlabel.on{opacity:1}\n#gkms .spec-detail{border-top:1px solid rgba(255,255,255,.1);padding-top:16px;margin-top:auto}\n#gkms .spec-detail .sd-name{font-weight:800;color:#fff;font-size:18px}\n#gkms .spec-detail .sd-desc{color:#C8D0DC;font-size:14px;line-height:1.55;margin-top:6px}\n#gkms .spec-axis{font-size:11px;color:#6E7A8C;text-align:center;letter-spacing:.06em}\n\n\/* ---- lab lag vs inline ---- *\/\n#gkms .versus{display:grid;grid-template-columns:1fr 1fr;gap:22px}\n@media(max-width:820px){#gkms .versus{grid-template-columns:1fr}}\n#gkms .vcard{border-radius:var(--r-xl);padding:36px 32px;position:relative;overflow:hidden}\n#gkms 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.vbar{height:10px;border-radius:999px;background:rgba(0,0,0,.08);margin:22px 0 16px;overflow:hidden}\n#gkms .vcard.new .vbar{background:rgba(255,255,255,.12)}\n#gkms .vbar span{display:block;height:100%;border-radius:999px;width:0;transition:width 1.2s var(--ease)}\n#gkms .vcard.old .vbar span{background:var(--bad)}\n#gkms .vcard.new .vbar span{background:var(--gk-blue)}\n#gkms .vcard p{font-size:14px;line-height:1.55}\n#gkms .vcard.old p{color:var(--gk-slate)}\n#gkms .vcard.new p{color:#C8D0DC}\n\n\/* ---- how \/ probe cycle ---- *\/\n#gkms .how-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}\n@media(max-width:900px){#gkms .how-grid{grid-template-columns:1fr}}\n#gkms .cycle{background:var(--gk-navy-dark);border-radius:var(--r-xl);padding:34px;color:#fff;box-shadow:var(--sh-lg)}\n#gkms .cycle .ring{display:flex;justify-content:center;gap:0;margin-bottom:24px}\n#gkms .cyc-step{flex:1;text-align:center;position:relative;padding:0 6px}\n#gkms .cyc-step .ci{width:66px;height:66px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;\n  font-size:26px;background:rgba(255,255,255,.06);border:2px solid rgba(255,255,255,.14);transition:.35s var(--ease)}\n#gkms .cyc-step.on .ci{background:var(--gk-blue);border-color:var(--gk-blue);box-shadow:0 0 0 6px rgba(1,159,226,.22);transform:scale(1.08)}\n#gkms .cyc-step .ct{font-size:13px;font-weight:700;color:#C8D0DC}\n#gkms .cyc-step.on .ct{color:#fff}\n#gkms .cyc-arrow{display:flex;align-items:center;color:rgba(255,255,255,.3);font-size:18px}\n#gkms .cycle .cyc-cap{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;color:#C8D0DC;font-size:14px;line-height:1.6}\n#gkms .cycle .cyc-cap b{color:#fff}\n#gkms .how-points{display:flex;flex-direction:column;gap:22px}\n#gkms .how-point{display:flex;gap:16px;align-items:flex-start}\n#gkms .how-point .hi{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:var(--gk-blue-50);color:var(--gk-blue);display:flex;align-items:center;justify-content:center;font-size:22px}\n#gkms .how-point h4{font-size:18px;color:var(--gk-navy-deep);margin-bottom:5px}\n#gkms .how-point p{font-size:15px;color:var(--gk-slate);line-height:1.55}\n\n\/* ---- metric band ---- *\/\n#gkms .band{background:linear-gradient(120deg,#141F30 0%,var(--gk-navy-dark) 55%,#1B3048 100%);color:#fff;position:relative;overflow:hidden}\n#gkms .band::before{content:\"\";position:absolute;inset:0;pointer-events:none;\n  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);\n  background-size:56px 56px;mask-image:radial-gradient(70rem 40rem at 30% 0%,#000 0%,transparent 70%)}\n#gkms .band .wrap{position:relative}\n#gkms .band .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}\n@media(max-width:820px){#gkms .band .metrics{grid-template-columns:repeat(2,1fr)}}\n#gkms .metric{border-left:1px solid rgba(255,255,255,.14);padding-left:22px}\n#gkms .metric .mk{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue-400);margin-bottom:12px}\n#gkms .metric .mv{font-size:clamp(44px,4.4vw,68px);font-weight:800;letter-spacing:-.02em;line-height:.95;font-variant-numeric:tabular-nums}\n#gkms .metric .mv .u{font-size:.38em;color:var(--gk-blue-400);margin-left:4px;font-weight:800}\n#gkms .metric p{font-size:14px;color:#C8D0DC;margin-top:14px;line-height:1.45}\n\n\/* ---- proof cards ---- *\/\n#gkms .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}\n@media(max-width:900px){#gkms .proof-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}}\n#gkms .proof{background:#fff;border:1px solid var(--g100);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);display:flex;flex-direction:column}\n#gkms .proof:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:var(--gk-blue-100)}\n#gkms .proof .pph{aspect-ratio:16\/10;background:var(--g100);overflow:hidden;position:relative}\n#gkms .proof .pph img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}\n#gkms .proof:hover .pph img{transform:scale(1.045)}\n#gkms .proof .pph .ptag{position:absolute;left:14px;top:14px;font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:rgba(15,22,38,.72);backdrop-filter:blur(6px);padding:6px 11px;border-radius:var(--r-pill)}\n#gkms .proof .pbody{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}\n#gkms .proof h4{color:var(--gk-navy-deep);font-size:18px;line-height:1.25;margin:0 0 12px}\n#gkms .proof p{font-size:14px;color:var(--gk-slate);line-height:1.62}\n#gkms .proof p b{color:var(--gk-navy-deep);font-variant-numeric:tabular-nums}\n\n\/* ---- duel ---- *\/\n#gkms .duel{background:#fff;border:1px solid var(--g100);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md)}\n#gkms .duel-row{display:grid;grid-template-columns:1fr 1.15fr;align-items:stretch}\n#gkms .duel-row .mid{display:none}\n#gkms .duel-row .old,#gkms .duel-row .new{padding:18px 28px;font-size:15px;display:flex;align-items:center}\n#gkms .duel-row .old{color:var(--g500);background:var(--g50);border-bottom:1px solid var(--g100)}\n#gkms .duel-row .new{color:var(--gk-navy-deep);font-weight:600;background:var(--gk-blue-50);border-bottom:1px solid rgba(1,159,226,.14);border-left:2px solid var(--gk-blue)}\n#gkms .duel-row:last-child .old{border-bottom:none}\n#gkms .duel-row:last-child .new{border-bottom:none}\n#gkms .duel-row.duel-head .old,#gkms .duel-row.duel-head .new{font-weight:800;text-transform:uppercase;font-size:12px;letter-spacing:.1em;padding-top:20px;padding-bottom:20px}\n#gkms .duel-row.duel-head .old{background:var(--g100);color:var(--g500)}\n#gkms .duel-row.duel-head .new{background:var(--gk-navy-deep);color:#fff;border-bottom:none;border-left-color:var(--gk-navy-deep)}\n#gkms .duel .ck{color:var(--gk-blue);font-weight:800;margin-right:10px}\n#gkms .duel .xk{color:var(--g300);font-weight:800;margin-right:10px}\n@media(max-width:720px){#gkms .duel-row{grid-template-columns:1fr}#gkms .duel-row .old{border-bottom:1px dashed var(--g200)}}\n\n\/* ---- compliance ---- *\/\n#gkms .reg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}\n@media(max-width:820px){#gkms .reg-grid{grid-template-columns:1fr}}\n#gkms .reg{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);padding:24px}\n#gkms .reg .flag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;padding:5px 11px;border-radius:6px;background:var(--gk-blue);color:#fff;text-transform:uppercase;margin-bottom:14px}\n#gkms .reg h4{font-size:17px;color:#fff;margin-bottom:6px}\n#gkms .reg p{font-size:14px;color:#C8D0DC;line-height:1.55}\n\n\/* ---- replace ---- *\/\n#gkms .repl{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}\n@media(max-width:720px){#gkms .repl{grid-template-columns:1fr}}\n#gkms .repl .item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--g100);border-radius:var(--r-md);padding:18px 20px}\n#gkms .repl .lag{flex:0 0 auto;font-size:12px;font-weight:800;color:var(--bad);background:#FDE9E9;padding:5px 10px;border-radius:6px;white-space:nowrap}\n#gkms .repl .m{font-weight:700;color:var(--gk-navy-deep);font-size:15px}\n#gkms .repl .s{font-size:13px;color:var(--gk-slate);margin-top:3px}\n\n\/* ---- product ---- *\/\n#gkms .product{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}\n@media(max-width:900px){#gkms .product{grid-template-columns:1fr}}\n#gkms .prod-photo{background:radial-gradient(60% 55% at 50% 42%,#101321 0%,#010105 72%);border-radius:var(--r-xl);padding:36px 20px;box-shadow:var(--sh-lg);text-align:center;border:1px solid rgba(255,255,255,.06);position:relative;overflow:hidden}\n#gkms .prod-photo::after{content:\"\";position:absolute;left:10%;right:10%;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(1,159,226,.45),transparent)}\n#gkms .prod-photo img{margin:0 auto;max-height:460px;width:auto;position:relative}\n#gkms .spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--g100);margin-top:22px}\n#gkms .spec-table td{padding:12px 18px;font-size:14px;border-bottom:1px solid var(--g100)}\n#gkms .spec-table tr:last-child td{border-bottom:none}\n#gkms .spec-table td:first-child{font-weight:600;color:var(--gk-navy-deep);width:44%}\n#gkms .spec-table td:last-child{color:var(--gk-slate)}\n\n\/* ---- CTA ---- *\/\n#gkms .cta{background:linear-gradient(135deg,#019FE2 0%,#2B2E83 100%);color:#fff;border-radius:var(--r-xl);padding:64px 48px;text-align:center;position:relative;overflow:hidden}\n#gkms .cta::after{content:\"\";position:absolute;inset:0;background:radial-gradient(40rem 20rem at 80% 120%,rgba(243,201,105,.18),transparent 60%);pointer-events:none}\n#gkms .cta .h2{color:#fff;max-width:20ch;margin:14px auto 0;position:relative}\n#gkms .cta p{color:rgba(255,255,255,.92);max-width:58ch;margin:16px auto 0;position:relative;font-size:17px;line-height:1.6}\n#gkms .cta .hero-cta{justify-content:center;margin-top:30px;position:relative}\n#gkms .cta .sub{margin-top:18px;font-size:13px;color:rgba(255,255,255,.82);position:relative}\n\n\/* ---- workshop strip (secondary, demoted) ---- *\/\n#gkms .strip{background:var(--gk-off);border-top:1px solid var(--g100);border-bottom:1px solid var(--g100)}\n#gkms .strip-in{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;padding:34px 0}\n#gkms .strip .st-l{display:flex;align-items:center;gap:16px}\n#gkms .strip .st-ic{width:48px;height:48px;border-radius:12px;background:var(--gk-blue-50);color:var(--gk-blue);display:flex;align-items:center;justify-content:center;font-size:24px;flex:0 0 auto}\n#gkms .strip h4{font-size:18px;color:var(--gk-navy-deep)}\n#gkms .strip p{font-size:14px;color:var(--gk-slate);margin-top:2px}\n\n\/* ---- footer ---- *\/\n#gkms .foot{background:var(--black);color:#C8D0DC;padding:72px 0 30px}\n#gkms .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}\n@media(max-width:820px){#gkms .foot-grid{grid-template-columns:1fr 1fr}}\n#gkms .foot .flogo{height:42px;width:auto;filter:brightness(0) invert(1);margin-bottom:18px}\n#gkms .foot .ftag{font-size:14px;color:#8A93A0;line-height:1.6;max-width:34ch}\n#gkms .foot h5{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue);margin-bottom:16px}\n#gkms .foot a{display:block;font-size:13px;color:#C8D0DC;line-height:2}\n#gkms .foot a:hover{color:var(--gk-blue-400)}\n#gkms .foot .addr{font-size:13px;color:#8A93A0;line-height:1.7;margin-top:4px}\n#gkms .foot .fbottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#5E6676}\n#gkms .foot .fbottom .tagpl{color:var(--gk-blue);font-weight:700;letter-spacing:.14em;text-transform:uppercase}\n#gkms .mono-note{font-size:12px;color:var(--g400)}\n\n\/* ---- feasibility request form (custom, posts to gekko\/v1\/rsvp) ---- *\/\n#gkms .gkms-form{max-width:560px;margin:28px auto 0;text-align:left;position:relative}\n#gkms .gkms-form-q{font-weight:700;font-size:14px;color:#fff;margin:0 0 12px;text-align:center}\n#gkms .gkms-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}\n#gkms .gkms-opt{display:flex;align-items:center;justify-content:center;text-align:center;gap:8px;padding:13px 10px;border:1.5px solid rgba(255,255,255,.34);border-radius:var(--r-md);background:rgba(255,255,255,.08);color:#fff;font-family:var(--font);font-weight:600;font-size:14px;line-height:1.25;cursor:pointer;transition:.15s var(--ease)}\n#gkms .gkms-opt:hover{border-color:#fff;background:rgba(255,255,255,.16)}\n#gkms .gkms-opt.is-sel{background:#fff;color:var(--gk-navy-deep);border-color:#fff}\n#gkms .gkms-row{display:flex;gap:10px;flex-wrap:wrap}\n#gkms .gkms-email{flex:1 1 240px;min-width:0;padding:14px 15px;height:auto;line-height:1.4;border:1.5px solid rgba(255,255,255,.34);border-radius:var(--r-md);background:rgba(255,255,255,.96);color:var(--gk-navy-deep);font-family:var(--font);font-size:15px}\n#gkms .gkms-email::placeholder{color:var(--g400)}\n#gkms .gkms-email:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.25)}\n#gkms .gkms-submit{flex:0 0 auto;box-shadow:0 6px 18px rgba(13,13,13,.18)}\n#gkms .gkms-hp{position:absolute!important;left:-9999px!important;top:auto;width:1px;height:1px;overflow:hidden;opacity:0}\n#gkms .gkms-consent{display:flex;align-items:flex-start;gap:10px;margin:14px 0 0;font-size:12.5px;color:rgba(255,255,255,.9);line-height:1.5;cursor:pointer;text-align:left}\n#gkms .gkms-consent-cb{flex:none;width:18px;height:18px;margin-top:1px;accent-color:#fff;cursor:pointer}\n#gkms .gkms-consent a{color:#fff;text-decoration:underline}\n#gkms .gkms-req{color:var(--gk-gold)}\n#gkms .gkms-msg{margin:12px 0 0;font-size:14px;min-height:1px;text-align:center;color:#fff}\n#gkms .gkms-msg.err{color:#FFDADA}\n#gkms .gkms-done{max-width:560px;margin:28px auto 0;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.30);border-radius:var(--r-lg);padding:24px;text-align:center;color:#fff;font-size:16px;font-weight:600;line-height:1.5}\n#gkms .cta-alt{margin-top:20px;position:relative}\n#gkms .cta-alt a{color:#fff;font-weight:600;font-size:14px;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px}\n#gkms .cta-alt a:hover{border-color:#fff}\n@media(max-width:560px){#gkms .gkms-choices{grid-template-columns:1fr}}\n\n\/* ---- inline line icons (replacing emoji) ---- *\/\n#gkms .ci svg{width:28px;height:28px;display:block;color:#DCE4EF}\n#gkms .cyc-step.on .ci svg{color:#fff}\n#gkms .how-point .hi svg{width:24px;height:24px;display:block}\n#gkms .strip .st-ic svg{width:26px;height:26px;display:block}\n#gkms .gkms-hint{margin:0 0 16px;font-size:13px;color:rgba(255,255,255,.88);line-height:1.55;text-align:center}\n#gkms .gkms-submit{transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}\n#gkms .gkms-submit.is-check{background:var(--ok);border-color:var(--ok);color:#fff;pointer-events:none}\n#gkms .gkms-submit svg{width:18px;height:18px;flex:0 0 auto;margin-right:2px}\n\n\n\/* ---- multi-page additions ---- *\/\n#gkms .subhero{position:relative;overflow:hidden;color:#fff;padding:120px 0 72px;\n  background:linear-gradient(115deg,#0F1626 0%,#192A3D 55%,#1F2A4A 100%)}\n#gkms .subhero .spectrum{position:absolute;inset:0;width:100%;height:100%;opacity:.20;pointer-events:none}\n#gkms .subhero .display{color:#fff;max-width:22ch;font-size:clamp(34px,4.4vw,54px)}\n#gkms .subhero .display .accent{color:var(--gk-blue-400)}\n#gkms .subhero .lead{color:#C8D0DC;max-width:62ch;margin-top:18px}\n#gkms .subhero .eyebrow{color:var(--gk-blue-400)}\n#gkms .subhero .eyebrow::before{background:var(--gk-blue-400)}\n#gkms .crumb{font-size:13px;color:#8A93A0;margin-bottom:18px}\n#gkms .crumb a{color:#C8D0DC}\n#gkms .crumb a:hover{color:#fff}\n#gkms .teaser-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}\n#gkms a.teaser{display:flex;flex-direction:column;background:#fff;border:1px solid var(--g100);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:.2s var(--ease);color:inherit}\n#gkms a.teaser:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--gk-blue-100)}\n#gkms .teaser .tph{height:230px;overflow:hidden}\n#gkms .teaser .tph img{width:100%;height:100%;object-fit:cover}\n#gkms .teaser .tbody{padding:20px 22px 22px}\n#gkms .teaser .tk{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue);margin-bottom:8px}\n#gkms .teaser h3{font-size:18px;color:var(--gk-navy-deep);margin-bottom:6px}\n#gkms .teaser p{font-size:14px;color:var(--gk-slate);line-height:1.55}\n#gkms .teaser .tgo{margin-top:auto;padding-top:14px;font-size:13.5px;font-weight:700;color:var(--gk-blue)}\n@media(max-width:940px){#gkms .teaser-grid{grid-template-columns:1fr}}\n#gkms .pager{display:flex;justify-content:space-between;gap:14px;max-width:1200px;margin:0 auto;padding:34px 24px}\n#gkms .pager a{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--gk-navy-deep)}\n#gkms .pager a:hover{color:var(--gk-blue)}\n\/* ---- packshot rule: no frame, no background, full device visible ---- *\/\n#gkms .prod-photo{background:none;border:none;box-shadow:none;padding:0;border-radius:0;overflow:visible}\n#gkms .prod-photo::after{display:none}\n#gkms .prod-photo img{max-height:560px;max-width:100%;width:auto;object-fit:contain}\n#gkms .packshot-stage{background:none;border:0;box-shadow:none;padding:0;text-align:center}\n#gkms .packshot-stage img{max-width:100%;height:auto;max-height:520px;object-fit:contain;filter:drop-shadow(0 24px 42px rgba(25,42,61,.28))}\n#gkms .tabpanel.active:not(:has(img)){grid-template-columns:1fr!important;max-width:840px}\n#gkms .product:not(:has(img)){grid-template-columns:1fr!important;max-width:840px}\n#gkms .how-grid:not(:has(img)):not(:has(.cycle)){grid-template-columns:1fr!important;max-width:840px}\n\/* ---- click-to-load YouTube facade ---- *\/\n#gkms .vid-embed{position:relative;width:100%;aspect-ratio:16\/9;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);background:#0F1626}\n#gkms .vid-embed .yt-facade{display:block;width:100%;height:100%;margin:0;padding:0;border:0;cursor:pointer;background:#0F1626;position:relative}\n#gkms .vid-embed .yt-facade img{width:100%;height:100%;object-fit:cover;display:block}\n#gkms .vid-embed .yt-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}\n#gkms .vid-embed .yt-play svg{width:74px;height:auto;filter:drop-shadow(0 6px 16px rgba(0,0,0,.45));transition:transform .18s var(--ease)}\n#gkms .vid-embed .yt-facade:hover .yt-play svg,#gkms .vid-embed .yt-facade:focus-visible .yt-play svg{transform:scale(1.09)}\n#gkms .vid-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}\n\n<\/style>\n\n<div id=\"gkms\">\n<div id=\"gkms-progress\" style=\"position:fixed;top:0;left:0;height:3px;background:var(--gk-blue);width:0;z-index:200\"><\/div>\n<nav class=\"nav\">\n    <div class=\"nav-in\">\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/\"><img decoding=\"async\" class=\"logo\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/logo-full-2.png\" alt=\"Gekko Photonics\"><\/a>\n      <div class=\"nav-links\">\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/\" class=\"active\">Home<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/chemistry\/\">Chemistry<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/what-we-measure\/\">What we measure<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/how-it-works\/\">How it works<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/proof\/\">Proof<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/compliance\/\">Compliance<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/instrument\/\">Instrument<\/a>\n      <\/div>\n      <a class=\"btn btn-primary\" href=\"#contact\">Test on your samples<\/a>\n    <\/div>\n  <\/nav>\n<header class=\"hero\" id=\"top\">\n    <svg class=\"spectrum\" viewBox=\"0 0 1200 500\" preserveAspectRatio=\"none\" aria-hidden=\"true\">\n      <path id=\"gkms-hpath1\" stroke=\"#019FE2\" d=\"M0,380 L120,372 L200,350 L260,220 L320,360 L420,340 L500,210 L560,360 L640,300 L720,140 L800,330 L880,310 L960,250 L1040,340 L1120,320 L1200,300\"\/>\n      <path id=\"gkms-hpath2\" stroke=\"#fff\" stroke-dasharray=\"4 6\" stroke-width=\"1\" d=\"M0,400 L120,392 L200,380 L260,280 L320,390 L420,370 L500,260 L560,385 L640,340 L720,210 L800,360 L880,340 L960,290 L1040,370 L1120,350 L1200,330\"\/>\n    <\/svg>\n    <div class=\"hero-in\">\n      <span class=\"eyebrow\">Inline Raman &middot; Sulfur &amp; thiosulfate fertilizers (ATS)<\/span>\n      <h1 class=\"display\" style=\"margin-top:20px\">ATS on spec, <span class=\"accent\">stream after stream.<\/span><\/h1>\n      <p class=\"lead\">Spectrally&trade; puts a Raman probe straight into your ATS, KTS\/CaTS and AMS stream - inline, meaning in the absorption stream, pipeline or tank itself, with no sampling. Thiosulfate concentration, the N\/S ratio and solution homogeneity - measured in seconds, continuously, with no reagents, instead of waiting 20 to 60 minutes on iodometric titration or ion chromatography.<\/p>\n      <div class=\"badges\">\n        <span class=\"badge\"><b>&lt; 5 s<\/b> to a process value<\/span>\n        <span class=\"badge\"><b>0<\/b> sampling &middot; <b>0<\/b> reagents<\/span>\n        <span class=\"badge\"><b>24\/7<\/b> continuous measurement<\/span>\n        <span class=\"badge\">Automatic calibration<\/span>\n      <\/div>\n      <div class=\"hero-cta\">\n        <a class=\"btn btn-primary\" href=\"#contact\">Run a feasibility study<\/a>\n        <a class=\"btn btn-outline-light\" href=\"\/sulfur-thiosulfate-fertilizers\/how-it-works\/\">See how it works &rarr;<\/a>\n      <\/div>\n    <\/div>\n    <div class=\"scrollcue\">&#8595;<\/div>\n  <\/header>\n\n<section class=\"ctx\" style=\"padding:56px 0\">\n  <div class=\"wrap\">\n    <div class=\"ctx-grid\">\n      <div class=\"ctx-item reveal\"><div class=\"k\">Chemistry<\/div><div class=\"v\">ATS &middot; KTS\/CaTS &middot; AMS<\/div><p>Ammonium, potassium and calcium thiosulfate plus ammonium sulfate - the aqueous sulfur-fertilizer streams produced by gas absorption.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Master variable<\/div><div class=\"v\">Thiosulfate concentration &amp; N\/S ratio<\/div><p>The numbers that define the product - read live instead of inferred after the batch.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Reference technique<\/div><div class=\"v\">Raman spectroscopy<\/div><p>Thiosulfate and sulfate are strong Raman-active oxyanions, and water is a weak Raman scatterer - so Raman reads them cleanly inline.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Where it sits<\/div><div class=\"v\">In the absorption stream, 24\/7<\/div><p>Immersion probe in the absorption stream, pipeline or tank, feeding your PLC \/ DCS continuously.<\/p><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section id=\"explore\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">01<\/span>\n      <span class=\"eyebrow\">Inside this mini-site<\/span>\n      <h2 class=\"h2\">Everything a sulfur-fertilizer plant asks us - one page per answer.<\/h2>\n      <p class=\"lead\">Six focused pages: the chemistries we cover, the parameters we read, how the measurement works, the technical case behind it, the regulatory context and the instrument itself.<\/p>\n    <\/div>\n    <div class=\"teaser-grid\">\n      <a class=\"teaser reveal\" href=\"\/sulfur-thiosulfate-fertilizers\/chemistry\/\">\n        <div class=\"tph\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/ats-tankfarm.jpg\" alt=\"Ammonium thiosulfate storage tanks at a sulfur-fertilizer plant\"><\/div>\n        <div class=\"tbody\"><div class=\"tk\">Chemistry<\/div><h3>ATS, KTS\/CaTS and AMS coverage<\/h3><p>What Spectrally reads in each sulfur-fertilizer chemistry - and which offline methods it displaces.<\/p><div class=\"tgo\">Explore the chemistries &rarr;<\/div><\/div>\n      <\/a>\n      <a class=\"teaser reveal\" href=\"\/sulfur-thiosulfate-fertilizers\/what-we-measure\/\">\n        <div class=\"tph\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/inline-probe-line-1.jpg\" alt=\"Spectrally X1 INLINE probe measuring at the process line\"><\/div>\n        <div class=\"tbody\"><div class=\"tk\">What we measure<\/div><h3>Five parameters that decide a batch<\/h3><p>Thiosulfate concentration, N\/S ratio, solution homogeneity, sulfate and stream stability - in depth.<\/p><div class=\"tgo\">See the parameters &rarr;<\/div><\/div>\n      <\/a>\n      <a class=\"teaser reveal\" href=\"\/sulfur-thiosulfate-fertilizers\/how-it-works\/\">\n        <div class=\"tph\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/inline-skid-piping-2.png\" alt=\"Spectrally X1 INLINE skid with process piping\"><\/div>\n        <div class=\"tbody\"><div class=\"tk\">How it works<\/div><h3>From vibration to a process value<\/h3><p>Raman, the self-cleaning probe, chemometric models and the path into your DCS.<\/p><div class=\"tgo\">See how it works &rarr;<\/div><\/div>\n      <\/a>\n      <a class=\"teaser reveal\" href=\"\/sulfur-thiosulfate-fertilizers\/proof\/\">\n        <div class=\"tph\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/gen-ats-quality.jpg\" alt=\"Sulfur-fertilizer quality control at a production plant\"><\/div>\n        <div class=\"tbody\"><div class=\"tk\">Proof<\/div><h3>The Raman case, plus a reference result<\/h3><p>Why thiosulfate and sulfate are strong Raman targets, a labeled reference case, and exactly what your feasibility study on your stream delivers.<\/p><div class=\"tgo\">Review the proof &rarr;<\/div><\/div>\n      <\/a>\n      <a class=\"teaser reveal\" href=\"\/sulfur-thiosulfate-fertilizers\/compliance\/\">\n        <div class=\"tph\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/ats-filling-line.jpg\" alt=\"Liquid sulfur-fertilizer blending and filling line with stainless tanks\"><\/div>\n        <div class=\"tbody\"><div class=\"tk\">Compliance<\/div><h3>EU 2019\/1009 CE Fertilising Products<\/h3><p>The composition record behind CE marking for ATS, KTS\/CaTS and AMS - and what a continuous data trail changes.<\/p><div class=\"tgo\">Check the drivers &rarr;<\/div><\/div>\n      <\/a>\n      <a class=\"teaser reveal\" href=\"\/sulfur-thiosulfate-fertilizers\/instrument\/\">\n        <div class=\"tph\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/inline-cabinet-onsite-1.jpg\" alt=\"Spectrally X1 INLINE process Raman analyzer\"><\/div>\n        <div class=\"tbody\"><div class=\"tk\">Instrument<\/div><h3>Spectrally X1 INLINE<\/h3><p>The process Raman analyzer, the X1 PROBE and Spectrally OS - specs and integration.<\/p><div class=\"tgo\">Meet the instrument &rarr;<\/div><\/div>\n      <\/a>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section id=\"gap\" class=\"ctx\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">02<\/span>\n      <span class=\"eyebrow\">The gap you know too well<\/span>\n      <h2 class=\"h2\">The stream does not wait for the lab.<\/h2>\n      <p class=\"lead\">Iodometric thiosulfate titration answers in 20 to 30 minutes; full anion analysis by ion chromatography takes 30 to 60; densitometry is only a concentration proxy and never sees composition. The absorption process runs continuously, so by the time the result is back the stream has moved on.<\/p>\n    <\/div>\n    <div class=\"versus\">\n      <div class=\"vcard old reveal\">\n        <div class=\"vk\">Offline lab loop<\/div>\n        <div class=\"vtime\">20-60<span class=\"u\">min<\/span><\/div>\n        <div class=\"vbar\"><span data-w=\"100\"><\/span><\/div>\n        <p>Sample, walk to the lab, run iodometric titration or ion chromatography, wait, report. A thiosulfate-concentration or N\/S-ratio deviation only surfaces as an off-spec delivery at your customer - after the product has shipped, where it becomes a complaint and a CE-certification problem.<\/p>\n      <\/div>\n      <div class=\"vcard new reveal\">\n        <div class=\"vk\">Spectrally inline<\/div>\n        <div class=\"vtime\">&lt; 5<span class=\"u\">s<\/span><\/div>\n        <div class=\"vbar\"><span data-w=\"10\"><\/span><\/div>\n        <p>The probe reads the absorption stream, pipeline or tank continuously and streams thiosulfate concentration, N\/S ratio and homogeneity to your control system. The deviation is caught while you can still correct it - so titration and ion chromatography become verification, not the bottleneck.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"band\">\n  <div class=\"wrap\">\n    <div class=\"metrics\" id=\"gkms-metrics\">\n      <div class=\"metric\"><div class=\"mk\">Measurement<\/div><div class=\"mv\" data-to=\"5\" data-suffix=\"s\">0<span class=\"u\">s<\/span><\/div><p>Spectrum to a process value, continuously.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Resolution<\/div><div class=\"mv\" data-to=\"1\" data-suffix=\"ppm\">0<span class=\"u\">ppm<\/span><\/div><p>Composition resolved down to single ppm.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Typical CAPEX<\/div><div class=\"mv\" data-to=\"75\" data-prefix=\"EUR \" data-suffix=\"k+\">0<\/div><p>System CAPEX 75 to 250k EUR - no reagents, no consumables.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Deployment<\/div><div class=\"mv\" data-to=\"5.5\" data-dec=\"1\" data-suffix=\"mo\">0<span class=\"u\">mo<\/span><\/div><p>Typical from feasibility to line, 3 to 5.5 months.<\/p><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section id=\"contact\">\n    <div class=\"wrap\">\n      <div class=\"cta reveal\">\n        <span class=\"eyebrow no-line\" style=\"color:#fff;justify-content:center\">Your next step<\/span>\n        <h2 class=\"h2\">Put it on your stream - starting with your own samples.<\/h2>\n        <p>Send representative samples or process data from your ATS, KTS\/CaTS or AMS stream. We build and validate a chemometric model on your matrix and show you exactly what inline Raman would read on your line - before any commitment. Your feasibility study puts the numbers on the table: the validated model and the figures for your own material.<\/p>\n        <form class=\"gkms-form\" data-region=\"m3-sulfur-thiosulfate-fertilizers\" data-region-label=\"Microsite M3 - Sulfur and thiosulfate fertilizers (ATS)\" data-source=\"microsite-m3-home\" novalidate>\n          <div class=\"gkms-form-q\">What would you like to do?<\/div>\n          <div class=\"gkms-choices\" role=\"radiogroup\" aria-label=\"What would you like to do?\">\n            <button type=\"button\" class=\"gkms-opt is-sel\" data-val=\"feasibility\" role=\"radio\" aria-checked=\"true\">Feasibility study<\/button>\n            <button type=\"button\" class=\"gkms-opt\" data-val=\"workshop\" role=\"radio\" aria-checked=\"false\">Workshop seat<\/button>\n            <button type=\"button\" class=\"gkms-opt\" data-val=\"info\" role=\"radio\" aria-checked=\"false\">Send info<\/button>\n          <\/div>\n          <p class=\"gkms-hint\" id=\"gkms-hint\"><\/p>\n          <div class=\"gkms-row\">\n            <input type=\"email\" class=\"gkms-email\" name=\"email\" required placeholder=\"you@company.com\" autocomplete=\"email\" aria-label=\"Your work email\">\n            <button type=\"submit\" class=\"btn btn-light gkms-submit\">Send request<\/button>\n          <\/div>\n          <input type=\"text\" class=\"gkms-hp\" name=\"company_hp\" tabindex=\"-1\" autocomplete=\"off\" aria-hidden=\"true\">\n          <label class=\"gkms-consent\"><input type=\"checkbox\" class=\"gkms-consent-cb\" name=\"consent\" required><span>By submitting this form, I confirm I have read and understood the <a href=\"https:\/\/gekkophotonics.com\/en\/privacy-policy\/\" target=\"_blank\" rel=\"noopener\">privacy policy<\/a> <span class=\"gkms-req\">*<\/span><\/span><\/label>\n          <p class=\"gkms-msg\" aria-live=\"polite\"><\/p>\n        <\/form>\n        <p class=\"cta-alt\"><a href=\"https:\/\/gekkophotonics.com\/products\/spectrally-inline\/\">Explore Spectrally X1 INLINE -&gt;<\/a><\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n<footer class=\"foot\">\n    <div class=\"wrap\">\n      <div class=\"foot-grid\">\n        <div>\n          <img decoding=\"async\" class=\"flogo\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/logo-full-2.png\" alt=\"Gekko Photonics\">\n          <p class=\"ftag\">Engineering-Driven Analytics. Real-time process composition with inline Raman spectroscopy.<\/p>\n        <\/div>\n        <div>\n          <h5>Platform<\/h5>\n          <a href=\"https:\/\/gekkophotonics.com\/products\/spectrally-inline\/\">Spectrally X1 INLINE<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">Spectrally X1 PROBE<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">Spectrally OS<\/a>\n        <\/div>\n        <div>\n          <h5>This mini-site<\/h5>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/chemistry\/\">Chemistry<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/what-we-measure\/\">What we measure<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/how-it-works\/\">How it works<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/proof\/\">Proof<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/compliance\/\">Compliance<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/instrument\/\">Instrument<\/a>\n        <\/div>\n        <div>\n          <h5>Contact<\/h5>\n          <a href=\"mailto:contact@gekkophotonics.com\">contact@gekkophotonics.com<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">gekkophotonics.com<\/a>\n          <div class=\"addr\">NextCorps, 260 E. Main Street, Suite 6000<br>Rochester, NY 14604, USA<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"fbottom\">\n        <span>&copy; 2026 Gekko Photonics Sp. z o.o. Installation and service by authorized Gekko Photonics technicians only.<\/span>\n        <span class=\"tagpl\">Engineering-Driven Analytics<\/span>\n      <\/div>\n    <\/div>\n  <\/footer>\n<\/div>\n\n<script>\n(function(){\n  var root=document.getElementById('gkms'); if(!root||root.dataset.init)return; root.dataset.init=\"1\";\n\n  var bar=root.querySelector('#gkms-progress');\n  if(bar){window.addEventListener('scroll',function(){\n    var h=document.documentElement,b=document.body;\n    var st=(h.scrollTop||b.scrollTop),sh=(h.scrollHeight-h.clientHeight);\n    bar.style.width=(sh>0?(st\/sh*100):0)+'%';\n  },{passive:true});}\n\n  root.querySelectorAll('a[href^=\"#\"]').forEach(function(a){\n    a.addEventListener('click',function(e){\n      var t=root.querySelector(a.getAttribute('href')); if(!t)return;\n      e.preventDefault(); window.scrollTo({top:t.offsetTop-70,behavior:'smooth'});\n    });\n  });\n\n  var io=new IntersectionObserver(function(es){es.forEach(function(en){if(en.isIntersecting){en.target.classList.add('in');io.unobserve(en.target);}});},{threshold:0.14});\n  root.querySelectorAll('.reveal').forEach(function(el){io.observe(el);});\n\n  root.querySelectorAll('.tab').forEach(function(t){\n    t.addEventListener('click',function(){\n      root.querySelectorAll('.tab').forEach(function(x){x.classList.remove('active');});\n      root.querySelectorAll('.tabpanel').forEach(function(x){x.classList.remove('active');});\n      t.classList.add('active');\n      var p=root.querySelector('.tabpanel[data-panel=\"'+t.dataset.tab+'\"]'); if(p)p.classList.add('active');\n    });\n  });\n\n  if(root.querySelector('#gkms-analytes')){\n    var A=[\n      {n:'Thiosulfate concentration', d:'The value ATS is sold on: a strong Raman-active oxyanion, read straight off the flowing stream every few seconds - to single ppm - instead of by 20-30 min iodometric titration.', x:470, lab:'S\u2082O\u2083\u00b2\u207b'},\n      {n:'N\/S ratio', d:'The nitrogen-to-sulfur ratio that defines the product. Confirmed continuously from thiosulfate concentration and homogeneity on the same spectrum, not reconstructed once per shift.', x:380, lab:'N\/S'},\n      {n:'Solution homogeneity', d:'Tank and line uniformity read in place by the immersion probe, so stratification shows in the spectrum immediately - no spot sampling between pulls.', x:150, lab:'uniformity'},\n      {n:'Sulfate SO\u2084\u00b2\u207b', d:'A strong symmetric-stretch Raman band near 976 cm\u207b\u00b9 (Gekko fertilizer study FS-001) - a direct handle on the sulfate side and on stream cleanliness.', x:300, lab:'~976 cm\u207b\u00b9'},\n      {n:'Stream clarity \/ stability', d:'Baseline drift and off-trend spectra flagged in-process, with PASS\/FAIL and alerts to the PLC and DCS, before a deviation becomes a customer complaint.', x:540, lab:'baseline'}\n    ];\n    var mk=root.querySelector('#gkms-marker'),ml=root.querySelector('#gkms-mlabel'),\n        sn=root.querySelector('#gkms-sdname'),sd=root.querySelector('#gkms-sddesc'),rd=root.querySelector('#gkms-spread');\n    function selA(i){\n      root.querySelectorAll('.analyte').forEach(function(b){b.classList.toggle('active',+b.dataset.a===i);});\n      var a=A[i]; if(!a||!mk)return;\n      mk.setAttribute('x1',a.x); mk.setAttribute('x2',a.x); mk.classList.add('on');\n      ml.setAttribute('x', a.x>540? a.x-70 : a.x+6); ml.textContent=a.lab; ml.classList.add('on');\n      sn.textContent=a.n; sd.textContent=a.d;\n      rd.textContent='Absorption stream \u00b7 '+a.lab+' locked';\n    }\n    root.querySelectorAll('.analyte').forEach(function(b){b.addEventListener('click',function(){selA(+b.dataset.a);});});\n    selA(0);\n  }\n\n  var vio=new IntersectionObserver(function(es){es.forEach(function(en){\n    if(en.isIntersecting){en.target.querySelectorAll('.vbar span').forEach(function(s){s.style.width=s.dataset.w+'%';});vio.unobserve(en.target);}\n  });},{threshold:0.3});\n  root.querySelectorAll('.versus').forEach(function(el){vio.observe(el);});\n\n  root.querySelectorAll('.yt-facade').forEach(function(btn){\n    btn.addEventListener('click',function(){\n      var id=btn.getAttribute('data-yt'); if(!id)return;\n      var ifr=document.createElement('iframe');\n      ifr.src='https:\/\/www.youtube-nocookie.com\/embed\/'+id+'?autoplay=1&rel=0&modestbranding=1';\n      ifr.setAttribute('allow','autoplay; encrypted-media; picture-in-picture; web-share');\n      ifr.setAttribute('allowfullscreen','');\n      ifr.setAttribute('title','Spectrally self-cleaning probe cycle');\n      var wrap=btn.closest('.vid-embed')||btn.parentElement;\n      wrap.innerHTML=''; wrap.appendChild(ifr);\n    });\n  });\n\n  var cyc=root.querySelector('#gkms-cycle'),ci=0;\n  if(cyc){setInterval(function(){\n    var steps=cyc.querySelectorAll('.cyc-step'); steps.forEach(function(s){s.classList.remove('on');});\n    steps[ci].classList.add('on'); ci=(ci+1)%steps.length;\n  },1300);}\n\n  function countUp(el){\n    var to=parseFloat(el.dataset.to),dec=+(el.dataset.dec||0),suf=el.dataset.suffix||'',pre=el.dataset.prefix||'';\n    var t0=null,dur=1400;\n    function step(ts){ if(!t0)t0=ts; var p=Math.min((ts-t0)\/dur,1); var e=1-Math.pow(1-p,3); var val=(to*e).toFixed(dec);\n      el.innerHTML=pre+val+(suf?'<span class=\"u\">'+suf+'<\/span>':''); if(p<1)requestAnimationFrame(step);}\n    requestAnimationFrame(step);\n  }\n  var mio=new IntersectionObserver(function(es){es.forEach(function(en){\n    if(en.isIntersecting){en.target.querySelectorAll('.mv').forEach(countUp);mio.unobserve(en.target);}\n  });},{threshold:0.4});\n  root.querySelectorAll('.metrics').forEach(function(el){mio.observe(el);});\n})();\n<\/script>\n\n<script>\n(function(){\n  var form=document.querySelector('#gkms .gkms-form'); if(!form||form.dataset.init) return; form.dataset.init='1';\n  var opts=form.querySelectorAll('.gkms-opt'), msg=form.querySelector('.gkms-msg'),\n      submitBtn=form.querySelector('.gkms-submit'), hint=form.querySelector('#gkms-hint'), chosen='feasibility';\n  var SRC=form.getAttribute('data-source')||'microsite-m1';\n  var HUB='\/usa-workshops\/?utm_source=microsite&utm_medium=microsite&utm_campaign=usa-workshops&utm_content=m1-formaldehyde-amino-resins';\n  var LABEL={ feasibility:'Send request', workshop:'See workshop dates', info:'Send info' };\n  var HINT={\n    feasibility:'Feasibility runs on your samples in the Gekko lab - no hardware to buy to find out whether it works.',\n    workshop:'One-day, on-site workshops at nine US locations in 2026 - a live demonstration on the instrument, 20 seats a day, free to attend. 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