16mm chemical oxygen demand vials with high range supplier
Chemical Oxygen Demand (COD) Testing Kits | CHEMetrics
ASTM D 1252-00, Chemical Oxygen Demand (Dichromate Oxygen Demand) of Water, Test Method B. CHEMetrics offers two dichromate reactor digestion methods for fast, easy, safe determinations of low-, mid-, and high-range COD levels in wastewater: the USEPA-accepted Method*, and a mercury-free method. The products using the USEPA-accepted method
Bioscienceaccu-Test Vials for COD Testing – Water and Wastewater Testing Supplies, Carbon Oxy...