CHEMetrics manufactures water analysis test kits and instruments for over 50 essential analytes. Our products utilize self-fi ... lling reagent ampoules that simplify and speed water quality testing. We serve the petroleum refining, chemical process, power generation, water treatment, and food & beverage industries, to name a few. CHEMetrics also produces two lines of COD reagent vials, EPA approved and mercury-free. Both lines are compatible with most existing COD equipment. We're proud to offer personalized customer support that's a phone call or an email away. Our friendly, professional team members are ready to address your testing needs and answer any questions you may have. read more