{"product_id":"ftir-long-path-optical-gas-cell","title":"FTIR Long-Path Optical Gas Cell","description":"\u003cstyle\u003e\n.nwspec-order-guide {\n  max-width: 1200px;\n  margin: 0 auto;\n  padding: 40px 20px;\n  font-family: 'Inter', -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n  color: #000000;\n  background: #ffffff;\n}\n.nwspec-order-header {\n  text-align: center;\n  margin-bottom: 48px;\n  padding-bottom: 32px;\n  border-bottom: 2px solid #000000;\n}\n.nwspec-order-header h1 {\n  font-size: 32px;\n  font-weight: 700;\n  margin: 0 0 12px 0;\n  letter-spacing: -0.5px;\n}\n.nwspec-order-header p {\n  font-size: 14px;\n  color: #666666;\n  margin: 0;\n}\n.nwspec-hero-stats {\n  background: #000000;\n  padding: 32px 40px;\n  margin-bottom: 48px;\n  display: grid;\n  grid-template-columns: repeat(4, 1fr);\n  gap: 24px;\n}\n.nwspec-stat-item {\n  text-align: center;\n}\n.nwspec-stat-value {\n  font-size: 26px;\n  font-weight: 800;\n  color: #ffffff;\n  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8px;\n}\n.nwspec-spec-label {\n  font-size: 10px;\n  font-weight: 700;\n  text-transform: uppercase;\n  letter-spacing: 1px;\n  color: #999999;\n}\n.nwspec-cta-section {\n  background: #000000;\n  padding: 32px 40px;\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  gap: 24px;\n}\n.nwspec-cta-content h4 {\n  font-size: 18px;\n  font-weight: 700;\n  color: #ffffff;\n  margin: 0 0 6px 0;\n}\n.nwspec-cta-content p {\n  font-size: 13px;\n  color: #aaaaaa;\n  margin: 0;\n}\n.nwspec-cta-btn {\n  display: inline-flex;\n  align-items: center;\n  gap: 8px;\n  background: #ffffff;\n  color: #000000;\n  padding: 12px 28px;\n  font-size: 11px;\n  font-weight: 700;\n  text-transform: uppercase;\n  letter-spacing: 1px;\n  text-decoration: none;\n  border: 2px solid #ffffff;\n  transition: all 0.2s ease;\n  white-space: nowrap;\n}\n.nwspec-cta-btn:hover {\n  background: transparent;\n  color: #ffffff;\n}\n.nwspec-cta-btn svg {\n  width: 14px;\n  height: 14px;\n  stroke: currentColor;\n  fill: none;\n  stroke-width: 2;\n}\n@media (max-width: 1024px) {\n  .nwspec-hero-stats {\n    grid-template-columns: repeat(2, 1fr);\n  }\n  .nwspec-path-grid {\n    grid-template-columns: repeat(3, 1fr);\n  }\n  .nwspec-specs-grid {\n    grid-template-columns: repeat(2, 1fr);\n  }\n}\n@media (max-width: 768px) {\n  .nwspec-order-grid {\n    grid-template-columns: 1fr;\n    gap: 32px;\n  }\n  .nwspec-path-grid {\n    grid-template-columns: repeat(2, 1fr);\n  }\n  .nwspec-hero-stats {\n    grid-template-columns: repeat(2, 1fr);\n    gap: 20px;\n    padding: 24px;\n  }\n  .nwspec-stat-value {\n    font-size: 20px;\n  }\n  .nwspec-cta-section {\n    flex-direction: column;\n    text-align: center;\n    padding: 24px;\n  }\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"nwspec-order-guide\"\u003e\n  \u003c!-- Header --\u003e\n  \u003cdiv class=\"nwspec-order-header\"\u003e\n    \u003ch1\u003eWhite Cell Gas Absorption Cell\u003c\/h1\u003e\n    \u003cp\u003eMulti-pass Herriott cell for FTIR and IR spectroscopy gas analysis\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Hero Stats --\u003e\n  \u003cdiv class=\"nwspec-hero-stats\"\u003e\n    \u003cdiv class=\"nwspec-stat-item\"\u003e\n      \u003cdiv class=\"nwspec-stat-value\"\u003e0.8–14\u003c\/div\u003e\n      \u003cdiv class=\"nwspec-stat-label\"\u003eµm IR Range\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"nwspec-stat-item\"\u003e\n      \u003cdiv class=\"nwspec-stat-value\"\u003e2.8–6.0\u003c\/div\u003e\n      \u003cdiv class=\"nwspec-stat-label\"\u003em Path Length\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"nwspec-stat-item\"\u003e\n      \u003cdiv class=\"nwspec-stat-value\"\u003e40℃\u003c\/div\u003e\n      \u003cdiv class=\"nwspec-stat-label\"\u003eConstant Temp\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"nwspec-stat-item\"\u003e\n      \u003cdiv class=\"nwspec-stat-value\"\u003e\u0026lt;0.2\u003c\/div\u003e\n      \u003cdiv class=\"nwspec-stat-label\"\u003eMPa Pressure\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Path Length Selector --\u003e\n  \u003cdiv class=\"nwspec-path-selector\"\u003e\n    \u003ch2\u003eSelect Optical Path Length\u003c\/h2\u003e\n    \u003cdiv class=\"nwspec-path-grid\"\u003e\n      \u003cdiv class=\"nwspec-path-card\"\u003e\n        \u003cdiv class=\"nwspec-path-value\"\u003e2.8\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-path-unit\"\u003emeters\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-path-card\"\u003e\n        \u003cdiv class=\"nwspec-path-value\"\u003e3.6\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-path-unit\"\u003emeters\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-path-card\"\u003e\n        \u003cdiv class=\"nwspec-path-value\"\u003e4.4\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-path-unit\"\u003emeters\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-path-card\"\u003e\n        \u003cdiv class=\"nwspec-path-value\"\u003e5.2\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-path-unit\"\u003emeters\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-path-card\"\u003e\n        \u003cdiv class=\"nwspec-path-value\"\u003e6.0\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-path-unit\"\u003emeters\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Features \u0026 Applications --\u003e\n  \u003cdiv class=\"nwspec-order-grid\"\u003e\n    \u003c!-- Features --\u003e\n    \u003cdiv class=\"nwspec-order-section\"\u003e\n      \u003ch2\u003eKey Features\u003c\/h2\u003e\n      \u003cul class=\"nwspec-feature-list\"\u003e\n        \u003cli\u003eBroadband IR transmission: 0.8–14 µm with gold-plated mirrors and protective film\u003c\/li\u003e\n        \u003cli\u003eMultiple optical path options: 2.8m to 6.0m for varying sensitivity requirements\u003c\/li\u003e\n        \u003cli\u003eSpace light optical coupling for FTIR and IR spectrometer integration\u003c\/li\u003e\n        \u003cli\u003eTemperature-controlled operation at 40°C with 30-minute warm-up\u003c\/li\u003e\n        \u003cli\u003eLow-pressure operation: \u0026lt;0.2 MPa for safe gas handling\u003c\/li\u003e\n        \u003cli\u003eCorrosion-resistant aluminum alloy cavity construction\u003c\/li\u003e\n        \u003cli\u003eCompact design: 252.5 × 88 × 52 mm, 430ml internal volume\u003c\/li\u003e\n        \u003cli\u003eStandard Ø6mm air inlet\/outlet connections\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- Applications --\u003e\n    \u003cdiv class=\"nwspec-order-section\"\u003e\n      \u003ch2\u003eApplications\u003c\/h2\u003e\n      \u003cdiv class=\"nwspec-app-card\"\u003e\n        \u003cp\u003eLong-path gas absorption spectroscopy for trace gas detection, environmental monitoring, and industrial process analysis using FTIR and infrared spectrometers.\u003c\/p\u003e\n        \u003cdiv class=\"nwspec-app-tags\"\u003e\n          \u003cspan class=\"nwspec-app-tag\"\u003eFTIR Spectroscopy\u003c\/span\u003e\n          \u003cspan class=\"nwspec-app-tag\"\u003eGas Analysis\u003c\/span\u003e\n          \u003cspan class=\"nwspec-app-tag\"\u003eEnvironmental Monitoring\u003c\/span\u003e\n          \u003cspan class=\"nwspec-app-tag\"\u003eProcess Control\u003c\/span\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Specifications --\u003e\n  \u003cdiv class=\"nwspec-specs-section\"\u003e\n    \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cdiv class=\"nwspec-specs-grid\"\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003e0.8–14 µm\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003eGold-plated mirrors\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eWavelength Range\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003e2.8–6.0 m\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003e5 options\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eOptical Path Length\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003eSpace Light\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003eCoupling\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eOptical Interface\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003e252.5×88×52\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003emm\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eExternal Dimensions\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003e\u0026lt;0.2\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003eMPa\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eMax Pressure\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003e30 min\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003eWarm-up\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eStabilization Time\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003e40℃\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003eConstant\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eOperating Temperature\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003e430\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003eml\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eInternal Volume\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"nwspec-spec-card\"\u003e\n        \u003cdiv class=\"nwspec-spec-value\"\u003eØ6\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-unit\"\u003emm\u003c\/div\u003e\n        \u003cdiv class=\"nwspec-spec-label\"\u003eInlet\/Outlet Port\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- CTA --\u003e\n  \u003cdiv class=\"nwspec-cta-section\"\u003e\n    \u003cdiv class=\"nwspec-cta-content\"\u003e\n      \u003ch4\u003eRequest a Quote\u003c\/h4\u003e\n      \u003cp\u003eContact our sales team for pricing and lead time information\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003ca href=\"\/en-cn\/pages\/contact\" class=\"nwspec-cta-btn\"\u003e\n      \u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"22,6 12,13 2,6\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n      Contact Sales\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"NWSPEC","offers":[{"title":"Default Title","offer_id":47501361512667,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1722\/0315\/files\/FTIROPTICALGASCELLGCDL3020NR.png?v=1756370576","url":"https:\/\/nwspec.com\/en-cn\/products\/ftir-long-path-optical-gas-cell","provider":"NWSPEC","version":"1.0","type":"link"}