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Phosphotungstic acid |
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H3PO4·12WO3·xH2O
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AR (AR grade)
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Chemically pure (CP grade)
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Insolubles: 0.02
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Insolubles:0.02
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Chloride: (c1) 0.03
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Chloride: 0.03
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Nitrate: (NO3) 0.01
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Nitrate:0.01 |
Ammonium salt: (NH4) 0.02
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Salt:0.02 |
Sulfate:(SO4) 0.02
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Sulfate:0.02 |
Sodium: (Na) qualified
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Iron:0.002 |
Calcium:(Ca) qualified
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Heavy metal:0.002 |
Iron:(Fe) 0.002 |
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Heavy metals(Pb):0.002 |
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