痕量阴离子
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chloride (Cl-): ≤0.05%
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痕量阴离子
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sulfate (SO42-): ≤0.05%
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痕量阳离子
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Al: ≤0.0005%
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痕量阳离子
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Ca: ≤0.002%
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痕量阳离子
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Cu: ≤0.0005%
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痕量阳离子
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Fe: ≤0.002%
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痕量阳离子
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K: ≤0.005%
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痕量阳离子
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Mg: ≤0.005%
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痕量阳离子
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NH4+: ≤0.05%
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痕量阳离子
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Pb: ≤0.001%
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痕量阳离子
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Zn: ≤0.0005%
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杂质
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≤0.1% Insoluble matter
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纯度
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≥99.0%
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紫外吸收波长
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A1M/260, H2O <0.05
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紫外吸收波长
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A1M/280, H2O <0.05
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pKa
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(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
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pH值
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8.0-11.0 (20 °C, 1 M in H2O)
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溶解度
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H2O: soluble1 M at 20 °C, clear, colorless
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个人保护装置
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Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
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RTECS编号
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WC4500000
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德国WGK号
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1
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