Hach Sulfate Standard Solution, 50 mg/L as SO4 (NIST), 500 mL, 257849By Hach $40.99 | EA Quantity discounts available QuantityPrice Product #: 700901Mfr. Part #: 257849 This item is in stock SAVE 15% ON SELECT HACH INSTRUMENTS WITH CODE HACH15 WHEN YOU PURCHASE THIS QUALIFYING CHEMISTRY Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description For accuracy checks in sulfate determinations Features NIST-Traceable Product Specifications ... DetailsBackDescription For accuracy checks in sulfate determinations Features NIST-Traceable Product Specifications Volume / Package Quantity 500 mL Concentrations 50 mg/L SO4 Description Sulfate as SO4 (NIST) Parameters Sulfate Platform Solution