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产地 | 美国 |
品牌 | Sigma |
货号 | 239216-100G |
用途 | 科研试验 |
包装规格 | 瓶 |
CAS编号 | 471-34-1 |
纯度 | 99% |
是否进口 | 是 |
239216
ACS reagent
200
≥99.0%
powder
≤0.002 meq/g water-soluble titr. base
≤0.005% oxidizers
≤0.01% NH4OH pptd.
≤0.01% insol. dil. HCl
8
2.93 g/mL at 25 °C (lit.)
chloride (Cl-): ≤0.001%
fluoride (F-): ≤0.0015%
sulfate (SO42-): ≤0.01%
Ba: ≤0.005%
Fe: ≤0.003%
K: ≤0.01%
Mg: ≤0.02%
NH4+: ≤0.003%
Na: ≤0.1%
Sr: ≤0.1%
heavy metals: ≤0.001% (by ICP-OES)