Posts tagged 'mercury free'

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What is the difference between standard and Mercury Free COD vials? Can I switch to Mercury Free vials?

COD tests are vital in many industries for the monitoring of effluent and discharge consent. The most common test method involves using COD vials - sample is pipetted into the vial where it mixes with the reagents already present in the vial. This is then reacted at high temperatures, producing a colour change. This colour change is analysed in a colorimeter, which reads out the result of CO...

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