痕量阴离子
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chloride (Cl-): ≤10 mg/kg
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痕量阴离子
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sulfate (SO42-): ≤50 mg/kg
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痕量阳离子
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As: ≤0.5 mg/kg
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痕量阳离子
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Fe: ≤5 mg/kg
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痕量阳离子
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K: ≤50 mg/kg
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级别
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Reag. Ph. Eur.
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级别
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puriss. p.a.
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杂质
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reducing impurities, complies
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杂质
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≤0.0005% heavy metals (as Pb)
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杂质
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≤0.001% total nitrogen (N)
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杂质
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≤0.5% NaH2PO4(calc. to dried subst.)
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线性分子式
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Na2HPO4 · 2H2O
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干燥失重
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19.5-21.0% loss on drying, 130 °C
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纯度
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98.5-101.0% (calc. to the dried substance)
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适用性
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in accordance for appearance of solution
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pH值
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9.0-9.2 (20 °C, 5%)
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MSDS下载
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下载链接
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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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德国WGK号
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1
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