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Oxygen Demand, Chemical – Hach
For 250–15,000 mg/L vials: Use a TenSette Pipet to add. 0.20 mL of sample to the vial. 2. Oxygen Demand, Chemical, Dichromate Method (multi-range: 40.0, 150,
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Guide to Chemical Oxygen Demand (COD) Testing – Hanna
Although colorimetry requires a spectrophotometer or photometer, it offers co...