Description
Methyl Orange, 0.05 Percent (w/v) Aqueous Indicator Solution, APHA – is used in titrations for acids as a pH indicator with a sharper end point of color change. 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.