Description
Buffer Solution, Acetate, pH 4.0, For Residual Chlorine, APHA, is used for the determination of Residual Chloride. It is a certified American Public Health Association’s solution, and as such, it meets the ASTM D1209 standards. It has uses in water and waste water treatment facilities to determine the concentration of dissolved and particulate materials. LabChem Inc. manufactured APHA grade products meet the toughest regulatory standards for quality and purity.