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CAS#: 7601-90-3 | Formula: HClO4 | Specifications: Ag (ppb), Al (ppb), As (ppb), Assay 69.0 - 72.0 %, Au (ppb), B (ppb), Ba (ppb), Be (ppb), Bi (ppb), Ca (ppb), Cd (ppb), Chloride 0.001 % Max, Co (ppb), Color (APHA) 10 Max, Cr (ppb), Cu (ppb), Fe (ppb), Ga (ppb), Ge (ppb), Heavy Metals 0.00001 % Max, Hg (ppb), In (ppb), Iron 0.000001 % Max, K (ppb), La (ppb), Li (ppb), Mg (ppb), Mn (ppb), Mo (ppb), Na (ppb), Nb (ppb), Ni (ppb), Nitrogen compounds (%) 0.001 % Max, Pb (ppb), Pd (ppb), Pt (ppb), Residue after ignition 0.001 % Max, S (ppb), Silicate and phosphate (%) 0.0005 % Max, Sn (ppb), Sr (ppb), Sulfate 0.001 % Max, Ta (ppb), Ti (ppb), Tl (ppb), V (ppb), W (ppb), Zn (ppb), Zr (ppb)