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CAS#: 7601-90-3 | Formula: HClO4 | Specifications: Ag (ppb) 10 ppb Max, Al (ppb) 10 ppb Max, As (ppb) 10 ppb Max, Assay 69.0 - 72.0 %, B, Ba (ppb) 10 ppb Max, Be (ppb) 10 ppb Max, Ca (ppb) 10 ppb Max, Cd (ppb) 10 ppb Max, Chloride 0.001 % Max, Co (ppb) 10 ppb Max, Color (APHA) 10 Max, Cr (ppb) 10 ppb Max, Cu (ppb) 10 ppb Max, Fe (ppb) 10 ppb Max, Heavy Metals 0.00001 % Max, K (ppb) 10 ppb Max, Li (ppb) 10 ppb Max, Mg (ppb) 10 ppb Max, Mn (ppb) 10 ppb Max, Mo (ppb) 10 ppb Max, Na (ppb) 10 ppb Max, Ni (ppb) 10 ppb Max, Nitrogen compounds (%) 0.001 % Max, Pb (ppb) 10 ppb Max, Residue after ignition 0.001 % Max, Sb (ppb) 10 ppb Max, Se 10 ppb Max, Silicate and phosphate (%) 0.0005 % Max, Sr (ppb) 10 ppb Max, Sulfate 0.001 % Max, Ti (ppb) 10 ppb Max, Tl (ppb) 10 ppb Max, V (ppb) 10 ppb Max, Zn (ppb) 10 ppb Max