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Specifications For Trace Metal AnalysisFormula: HNO3Formula Weight: 63.01CAS Number: 7697-37-2Meets A.C.S. Specifications Assay (HNO3)69.0 - 70.0 %AppearancePasses TestColor (APHA)max. 10Residue after Ignitionmax. 2 ppmSpecific Gravity at 60 /60 F1.416 - 1.420Trace Impurities (in ppm): Chloride (Cl)max. 0.04Phosphate (PO4)max. 0.1Sulfate (SO4)max. 0.4Trace Impurities (in ppb): Aluminum (Al)max. 30Arsenic and Antimony (as As)max. 5Barium (Ba)max. 1Beryllium (Be)max. 1Bismuth (Bi)max. 1Boron (B)max. 4Cadmium (Cd)max. 1Calcium (Ca)max. 50Chromium (Cr)max. 10Cobalt (Co)max. 1Copper (Cu)max. 1Gallium (Ga)max. 20Germanium (Ge)max. 4Gold (Au)max. 4Heavy Metals (as Pb)max. 100Iron (Fe)max. 10Lead (Pb)max. 0.5Lithium (Li)max. 1Magnesium (Mg)max. 7Manganese (Mn)max. 1Mercury (Hg)max. 0.5Molybdenum (Mo)max. 5Nickel (Ni)max. 1Niobium (Nb)max. 1Potassium (K)max. 5Silicon (Si)max. 20Silver (Ag)max. 1Sodium (Na)max. 200Strontium (Sr)max. 1Tantalum (Ta)max. 2Thallium (Tl)max. 5Tin (Sn)max. 5Vanadium (V)max. 1Zinc (Zn)max. 5Zirconium (Zr)max. 1
