10mL cod reagent vials with high range for measuring water quality
Program ID #41, #42, #43 Chemical Oxygen Demand – COD
0.2 mL of sample to the COD vial for high range tests. For best results, use a pipette to transfer samples to COD vials. 3. When preparing samples for low range testing, prepare also a reagent blank by adding 2.0 mL of deionized water to a low range COD vial.
Oxygen Demand, Chemical, TNTplus, 8000 Oxygen Demand,
Select the appropriate TNTplus COD Digestion Reagent Vial: Low Range, 3 to 150 mg/L COD 1–2 vials 25/pkg TNT821 High Range...