Description
Sulfanilamide, 1 Percent (w/v) Solution, For Nitrogen (Nitrate/Nitrite), 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. APHA grade products supplied by LabChem meet the toughest regulatory standards for quality and purity.