Description
Perchloric Acid, 70% AR (ACS). Assay (HClO4): 69. 0 – 72. 0 %. Chloride (Cl): max. 0. 001 %. Color (APHA): max. 10. Heavy Metals (as Pb): max. 0. 0001 %. Iron (Fe): max. 0. 0001 %. Nitrogen Compounds (as N): max. 0. 001 %. Residue after Evaporation: max. 0. 003 %.