16mm hach cod vials with screw caps distributor
Chemical Oxygen Demand (COD) Testing System
CHEMetrics COD vials use the Dichromate Reactor Digestion method, both USEPA and Mercury Free. Equivalent to Hach kits. Lower cost per test – up to 30% saving! Range Method Kit Cat. No. Vials 0 –
Vials, Tubes, Bottles & Racks | Hach USA – Overview | Hach
Hach carries a wide variety of bottles, tubes, vials, and racks to suit your microbiological testing needs. Culture tubes, sampling vials, and bottles (with and without a thi...