Description
Sodium Bicarbonate, 5.5 Percent (w/v) Solution, For Chlorine Dioxide, APHA – 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 dissolved and particulate materials. Spectrum Chemical manufactured APHA grade products meet the toughest regulatory standards for quality and purity.