certified economical 15mL cod vials with closures-glass Vial, 40 ml, 28 OD x 95 mm H, Clear, Borosilicate Glass, 24-414 mm Closure, White Polypropylene
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USEPA-approved Mercury-free COD kits CHEMetrics' leakproof reagent vials contain premeasured solutions of sulfuric acids and potassium dichromate.
Hach Method 8000. High Range Plus: 200 to 15,000 mg/L COD. This range is not USEPA Approved. Pack of 150 vials. Catalog No. 50-199-5957.
Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
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Chromacol has been involved in the design and manufacture of vials, caps and seals for chromatography for almost as long as chromatography has been used as.
cod vial-Aijiren HPLC VialsAijiren is a supplier specializing in the production of chromatographic consumables. Aijiren has its own factory and can produce
For determination of high range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000
A COD test typically involves digestion of a water sample in a sealed vial with potassium dichromate and sulfuric acid at 150oC for 2 hours.
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