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. Why test for COD?
Description: With PTFE-lined solid-top screw caps attached to vials. Certificates.
Caps for plastic sample vials may be attached by a tether to the vial itself · Also called “captive” closures.
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For any requirements about COD Tubes, please tell me. Product name: COD Tubes Certificate: ISO9001 ... Chemical Oxygen Demand Tubes China. Content.
Scope and application: For water and wastewater. Digestion is required. 1 Ranges 3 to 150 mg/L COD and 20 to 1500 mg/L COD are USEPA approved for wastewater
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