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With pre-dosed vials, test preparation time is dramatically reduced and there is no time-consuming reagent preparation procedure or glassware cleaning. The 

COD Digestion Vials, Low Range Method: Reactor Digestion Chemical Oxygen Demand (COD): US EPA approved for wastewater analysis using Hach Method 8000 Range: 

For determination of high range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000 

Dichromate reactor digestion reagents for fast, easy, safe determination of low-, mid-, and high-range C.O.D. levels in wastewater. Premeasured reagent is 

Chemical Oxygen Demand (COD) Reagent Vials. Both USEPA-Approved and Mercury-Free versions are available in several ranges to meet your testing needs.

COD Digestion Vials, High Range. Chemical Oxygen Demand (COD): US EPA approved for wastewater analysis using Hach Method 8000.

CPI's COD Vials for Chemical Oxygen Demand Tests provide quality results at a savings for your laboratory. Add 2mL of sample to the vial, digest at 150°C 

For determination of low range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000.