安達有色金屬

            Anda Nonferrous Metals

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            Anda Nonferrous Metals

            Phosphotungstic acid

            AR (AR grade)
            Chemically pure (CP grade)
            Insolubles: 0.02
            Insolubles:0.02
            Chloride: (c1) 0.03
            Chloride: 0.03
            Nitrate:(NO3) 0.01
            Nitrate:0.01
            Ammonium salt: (NH4) 0.02
            Salt:0.02
            Sulfate: (SO4) 0.02
            Sulfate:0.02
            Sodium: (Na) qualified
            Iron:0.002
            Calcium:(Ca) qualified
            Heavy metal:0.002
            Iron:(Fe) 0.002  
            Heavy metals(Pb):0.002  

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