The HI93754G-25 reagents vials follow the ISO approved method for the medium range determination of chemical oxygen demand (COD) using a compatible benchtop
1 Ranges 3 to 150 mg/L COD and 20 to 1500 mg/L COD are USEPA approved for vial. 2. Oxygen Demand, Chemical, Dichromate Method (multi-range: 40.0, 150, ...
Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
The dichromate ion (Cr2O72-) has proven itself to be best suited for general purpose COD and is required in all approved methods. Approved Methods. There are
Hach 2125825 COD Digestion Vials, Low Range, (Pack of 25): Amazon.com: Hach 2105569 DPD Free Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100.
Buy it with. Hach 2125925 COD Digestion Vial, High Range (Pack of 25). +. Hach 2105569 DPD Free Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100.
Reagents have a two-year shelf life. A certificate is provided to indicate traceability to standards provided by the National Institute of Standards and
CHEMetrics offers two dichromate reactor digestion methods for fast, easy, safe determinations of low-, mid-, and high-range COD levels in wastewater: the
