{"product_id":"hanna-instruments-hi839800-01-cod-reactor-25-vial-digestion-block-115v","title":"Hanna Instruments HI839800-01 COD Reactor — 25-Vial Digestion Block, 115 V","description":"\u003cdiv class=\"btsx-hanna-desc\" style=\"max-width: 1400px; margin: 0 auto; padding: clamp(16px, 4vw, 40px) clamp(16px, 4vw, 20px); font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-weight: 300; font-size: 1rem; line-height: 1.65; color: #222; background: #fff; width: 100%; box-sizing: border-box; overflow-wrap: anywhere;\"\u003e\n\u003cstyle\u003e\/* btsx-hanna-mobile-v2 - secondary layer; this storefront theme strips \u003cstyle\u003e from descriptionHtml, so the inline styles above are authoritative *\/\n.btsx-hanna-desc{width:100%;max-width:1400px;margin:0 auto;box-sizing:border-box;padding:clamp(16px, 4vw, 40px) clamp(16px, 4vw, 20px);overflow-wrap:anywhere;}\n.btsx-hanna-desc *{box-sizing:border-box;min-width:0;}\n.btsx-hanna-row{display:flex;flex-wrap:wrap;gap:clamp(20px, 4vw, 40px);min-width:0;}\n.btsx-hanna-col,.btsx-hanna-fig{min-width:0;max-width:100%;}\n.btsx-hanna-sec{margin:0 0 clamp(24px, 4vw, 40px);padding-bottom:clamp(24px, 4vw, 40px);min-width:0;}\n.btsx-hanna-img{max-width:100%;max-height:320px;height:auto;object-fit:contain;}\n.btsx-hanna-img-screen{max-width:220px;max-height:300px;height:auto;object-fit:contain;}\n.btsx-hanna-tablewrap{width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}\n.btsx-hanna-tablewrap table{min-width:640px;}\n@media screen and (max-width:640px){\n.btsx-hanna-row{flex-direction:column!important;flex-wrap:nowrap!important;gap:20px!important;}\n.btsx-hanna-col,.btsx-hanna-fig{flex:1 1 100%!important;min-width:0!important;width:100%!important;}\n.btsx-hanna-sec{margin:0 0 24px!important;padding-bottom:24px!important;}\n.btsx-hanna-desc img{max-width:100%!important;height:auto!important;}\n.btsx-hanna-img-screen{max-width:220px!important;max-height:300px!important;}\n}\u003c\/style\u003e\n\u003cdiv class=\"btsx-hanna-stack\" style=\"display: flex; flex-direction: column; gap: 20px; min-width: 0; box-sizing: border-box;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eBuilt for routine digestion workloads, the Hanna HI839800-01 COD Reactor is a heavy-duty thermoreactor that will run as many as twenty-five vials in one cycle. Operators get three temperature programs stored at the factory alongside three slots they can define and keep for their own methods.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eThe stored programs correspond to the following method temperatures:\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 22px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e170 ºC (338 ºF) — every COD method\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e150 ºC (302 ºF) — every COD method, plus Iron Total, Phosphorus Acid Hydrolyzable and Phosphorus Total\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e105 ºC (221 ºF) — Chromium and Nitrogen Total\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"btsx-hanna-h\" style=\"font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-weight: 400; font-size: 1rem; margin: 24px 0 0; min-width: 0;\"\u003eFeatures at-a-glance\u003c\/h2\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong style=\"font-weight: 700;\"\u003eLaboratory safety shield included\u003c\/strong\u003e\u003cbr\u003eThe shield supplied with the reactor uses weighted handles so it stays in its protective position for the whole digestion run. Working behind it is strongly advised whenever vials are heating.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong style=\"font-weight: 700;\"\u003eBuilt-in countdown timer\u003c\/strong\u003e\u003cbr\u003eTimed methods can be set anywhere up to 180 minutes. At the end of the interval the reactor sounds five short beeps and shows DONE, then cuts the heat so the block starts cooling on its own.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong style=\"font-weight: 700;\"\u003eStatus indicator lights\u003c\/strong\u003e\u003cbr\u003eThree LEDs report what the instrument is doing. Green POWER confirms the reactor is switched on. A steady yellow HEATING means the block is still climbing, while a blinking yellow means it is holding a stable temperature. Red HOT warns that the block has passed 50 °C (122 °F) and the aluminium is hot to the touch.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong style=\"font-weight: 700;\"\u003eOverheating prevention\u003c\/strong\u003e\u003cbr\u003eA thermal fuse guards against runaway temperature. If the reactor does overheat, the heater shuts itself down and every indicator light goes dark.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong style=\"font-weight: 700;\"\u003eReference temperature probe well\u003c\/strong\u003e\u003cbr\u003eA dedicated well accepts a temperature probe, giving operators a straightforward way to verify what the heating block is actually doing.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong style=\"font-weight: 700;\"\u003eWarnings and error messages\u003c\/strong\u003e\u003cbr\u003eThe display calls out abnormal conditions and readings that fall outside the expected window — temperature too high or too low, a hot surface, or a fault in the heating system.\u003c\/p\u003e\n\u003cdiv class=\"btsx-hanna-row\" style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-top: 24px; min-width: 0; box-sizing: border-box;\"\u003e\n\u003cfigure class=\"btsx-hanna-fig\" style=\"flex: 1 1 320px; min-width: 0; margin: 0; max-width: 100%; box-sizing: border-box;\"\u003e\u003cimg alt=\"Hanna HI839800-01 COD reactor, front view of keypad and display\" class=\"btsx-hanna-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/HI839800_2023_Front-720x720__89497.1694008526.jpg?v=1790816169\" style=\"display: block; width: 100%; height: auto; object-fit: contain; border-radius: 8px; max-width: 100%; max-height: 320px; box-sizing: border-box;\"\u003e\u003c\/figure\u003e\n\u003cfigure class=\"btsx-hanna-fig\" style=\"flex: 1 1 320px; min-width: 0; margin: 0; max-width: 100%; box-sizing: border-box;\"\u003e\u003cimg alt=\"Hanna HI839800-01 COD reactor, low right angle showing the 25-position reactor block wells\" class=\"btsx-hanna-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/HI839800_2023_Right-Low2-720x720__23392.1694008490.jpg?v=1790816169\" style=\"display: block; width: 100%; height: auto; object-fit: contain; border-radius: 8px; max-width: 100%; max-height: 320px; box-sizing: border-box;\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"btsx-hanna-h\" style=\"font-family: 'Open Sans', Arial, Helvetica, sans-serif; font-weight: 400; font-size: 1rem; margin: 24px 0 0; min-width: 0;\"\u003eSupplied with the reactor\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 22px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eHI740217 laboratory safety shield\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003ePower cable\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eQuick reference guide with manual-download instructions, plus an instrument quality certificate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0;\"\u003eThe reactor block is machined for Ø 16 mm × 100 mm vials; 13 mm vials are not compatible. This listing covers the HI839800-01 at 115 Vac with a USA plug.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52806861390122,"sku":"BTS-HI839800-01","price":1842.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/HI839800_2023_Front2-720x720__02456.1694008520.jpg?v=1790816169","url":"https:\/\/bluetigerscientific.com\/products\/hanna-instruments-hi839800-01-cod-reactor-25-vial-digestion-block-115v","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}