{"product_id":"chemetrics-r-7511-dissolved-oxygen-reagents-refills","title":"CHEMetrics R-7511 Dissolved Oxygen Reagents Refills","description":"\u003cdiv\u003eCHEMetrics R-7511 is a 30-ampoule ULR CHEMets refill for the K-7511 Visual Test Kit, designed to measure ultra-low range dissolved oxygen in water with the Rhodazine D method. Each self-filling ampoule contains about 1 mL of liquid reagent sealed inside, and the refill is compatible with CHEMetrics’ C-7511 dissolved oxygen comparator for reading results. It covers a 0–20 ppb (0–0.02 mg\/L) range, making it suitable for critical monitoring in high-purity water systems such as boiler feedwater applications. The package includes ampoules organized in cardboard trays within a protective box, and this R-7511 refill is marketed specifically as the refill for the K-7511 ULR Dissolved Oxygen Visual Test Kit.\u003c\/div\u003e","brand":"Chemetrics","offers":[{"title":"New","offer_id":51677982851374,"sku":null,"price":436.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_c979f6bc-1d04-4d0e-a039-cf8211c489bc.jpg?v=1769570297","url":"https:\/\/plgautomation.com\/products\/chemetrics-r-7511-dissolved-oxygen-reagents-refills","provider":"PLG Automation ","version":"1.0","type":"link"}