Hach COD Standard Solution, 300 mg/L as COD (NIST), 500 mL, 1218649By Hach $69.99 | EA Quantity discounts available QuantityPrice Product #: 700921Mfr. Part #: 1218649This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description For accuracy checks in Chemical Oxygen Demand (COD) determinations. 500 mL bottle Features NIST-Traceable Produc... DetailsBackDescription For accuracy checks in Chemical Oxygen Demand (COD) determinations. 500 mL bottle Features NIST-Traceable Product Specifications Volume / Package Quantity 500 mL Concentrations 300 mg/L O2 Description COD (NIST) Parameters COD Platform Solution Documents Safety Data Sheet