buy certified chemical oxygen demand vials
Hach Chemical® Mercury-Free High Range COD2 Digestion Vials
For high range, mercury-free Chemical Oxygen Demand (COD) determinations. COD2 Digestion Vials, Mercury-Free Formulation.
COD LR Vario Reagent Tube Tests, 3-150 mg/L, 25 Vials – Lasec
COD LR Vario Reagent Tube Tests, 3-150 mg/L, 25 Vials. The Lovibond range of COD vials for chemical oxygen demand conforms to ISO 15705:2002 standards.
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