Description
Phenolphthalein, 0.5 Percent (w/v) Indicator Solution in 50 Percent Alcohol, APHA – As an APHA certified solution, this item meets the ASTM D1209 standards for use in water and waste water treatment 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.