Description
Buffer Solution, Acetate, pH 4.0, For Residual Chlorine, APHA is a mixture of acid and its conjugate base in order to prevent changes in the pH of a solution. These solutions are mainly utilized to keep pH at a constant value in a variety of chemical applications. As an APHA certified solution, this item is meets the ASTM D1209 standards and can be used in water and waste water tr1-EAtment facilities to determine the concentration of residual chlorine. Spectrum Chemical manufactured APHA grade products meet the toughest regulatory standards for quality and purity.
