Inorganic Analytical Perchloric Acid and Salts ACS Reagent Acids 2477 PERCHLORIC ACID PERCHLORIC ACID 70% SUPERIOR REAGENT (ACS) HClO₄ 100.46 7601,90,3 7601903 90,3 760190,3 7601 90 3 5.1/8/I 3-0-1 1.660 Metals analysis reported on certificate in ppm, 55571 62.20 500 ML 55572 234.20 6 X 500 ML 55573 118.60 2.5 L 55574 349.70 4 X 2.5 L 55575 0.00 200 L 55577 125.00 2.5 L PVC 55578 373.60 4X2.5L PVC Ag 0.1 ppm Al 0.1 ppm Au 0.1 ppm Ba 0.1 ppm Be 0.1 ppm Bi 0.05 ppm Ca 0.5 ppm Cd 0.05 ppm Co 0.1 ppm Cr 0.1 ppm Cu 0.05 ppm Fe 0.5 ppm Ga 0.05 ppm Ge 0.02 ppm Hg 0.1 ppm In 0.05 ppm Mn 0.05 ppm Mo 0.02 ppm Ni 0.05 ppm Pb 0.1 ppm Pt 0.1 ppm Sb 0.02 ppm Si 0.1 ppm Sn 0.05 ppm Sr 0.1 ppm Ti 0.05 ppm Tl 0.02 ppm V 0.02 ppm Zn 0.1 ppm Zr 0.05 ppm Assay 69.0-72.0% Residue after ignition 0.003% Silicate and phosphate 0.0005% Chloride(Cl) 0.0003% Nitrogen compounds (as N) 0.001% Sulfate 0.001% Color (APHA) 10 max. Boron 30 ppm (at time of bottling) Sodium 5 ppm Potassium 1 ppm Chlorine(Cl) 0.0005% Chlorate(ClO3) 0.001%