痕量阴离子
|
sulfate (SO42-): ≤0.005%
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痕量阳离子
|
Al: ≤0.0005%
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痕量阳离子
|
As: ≤0.0001%
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痕量阳离子
|
Ba: ≤0.0005%
|
痕量阳离子
|
Bi: ≤0.0005%
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痕量阳离子
|
Ca: ≤0.001%
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痕量阳离子
|
Cd: ≤0.0005%
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痕量阳离子
|
Co: ≤0.0005%
|
痕量阳离子
|
Cr: ≤0.0005%
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痕量阳离子
|
Cu: ≤0.0005%
|
痕量阳离子
|
Fe: ≤0.0005%
|
痕量阳离子
|
K: ≤0.005%
|
痕量阳离子
|
Li: ≤0.0005%
|
痕量阳离子
|
Mg: ≤0.0005%
|
痕量阳离子
|
Mn: ≤0.0005%
|
痕量阳离子
|
Mo: ≤0.0005%
|
痕量阳离子
|
Na: ≤0.005%
|
痕量阳离子
|
Ni: ≤0.0005%
|
痕量阳离子
|
Pb: ≤0.0005%
|
痕量阳离子
|
Sr: ≤0.0005%
|
痕量阳离子
|
Zn: ≤0.0005%
|
燃烧残渣
|
≤0.2% (as SO4)
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杂质
|
Insoluble matter, passes filter test
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干燥失重
|
≤0.2% loss on drying, 110°C
|
pH范围
|
7.0 - 9.0
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纯度
|
≥99.0% (titration)
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产品质量级别
|
ELITE
|
紫外吸收波长
|
A0.5M/260, H2O ≤0.015
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紫外吸收波长
|
A0.5M/280, H2O ≤0.010
|
pKa
|
8.1
|
pH值
|
3.5-5.0 (0.5 M in H2O)
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溶解度
|
H2O: soluble0.5 M, clear, colorless
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个人保护装置
|
dust mask type N95 (US), Eyeshields, Gloves
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德国WGK号
|
1
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