cheap certified 15mL cod vials with low range
(OR) Hach Low Range COD Vials 3-150 mg/L, 150/pk, 2125815
IMPORTANT NOTICE: Hach has implemented a 12% surcharge on all their products. The Hach surcharge will appear at checkout below your subtotal, on your order
COD Digestion Vials, Low Range, pk/150 | Hach USA – Overview
Hach’s USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
COD Digestion Vials, Low Range, pk/150 | Hach USA
Hach’s USEPA-ap...