GB/T 657-95
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项目Item 优级纯 分析纯 化学纯
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(GR) (AR) (CP)
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含量[(NH4)6Mo7O24·4H2O)Assay,% ≥99.0 ≥99.0 ≥99.0
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配制溶液试验Preparing solution 合格 合格 合格
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澄清度试验Clarity 合格 合格 合格
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水不溶物Insoluble matter in water,% ≤0.01 ≤0.01 0.03
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氯化物(Cl)Chloride,% ≤0.0005 ≤0.001 0.003
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硫酸盐(SO4)Sulfate,% ≤0.01 ≤0.02 0.05
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磷酸盐、砷酸盐、硅酸盐(以SiO3计)
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Phosphates,arsenates and silicates,% ≤0.00075 ≤0.001 0.003
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重金属(以Pb计)Heavy metals,% ≤0.001 ≤0.001 0.003
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项目名称Item ACS 级
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含量(以MoO3计)Assay 81.0-83.0%
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水不溶物Insoluble matter ≤0.005%
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氯化物(Cl)Chloride(Cl) ≤0.002%
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硝酸盐(NO3)Nitrate Passes test
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砷酸盐,磷酸盐和硅酸盐(以SiO2计)Arsenate,phosphate,and silicate ≤0.001%
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磷酸盐(PO4)Phosphate ≤5ppm
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硫酸盐(SO4)Sulfate ≤0.02%
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重金属(以Pb计)Heavy metals(as Pb) ≤0.001%
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镁(Mg)Magnesium(Mg) ≤0.005%
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钾(K)Potassium(K) ≤0.01%
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钠(Na)Sodium(Na) ≤0.01%
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99.9% metals basis:
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外观Appearance 粉末或结晶
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X-射线衍射X-Ray Diffraction Conforms to Structure
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纯度Purity ≥99.9% Based On Trace Metals Analysis of ICP
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痕量金属分析Trace Metal Analysis ≤1000ppm by ICP Atomic emission
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品级Grade 用于细胞和昆虫细胞培养, 81-83% as MoO3
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(for cell culture, sfor insect cell culture, 81-83% as MoO3 )
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外观Appearance White to Off-White Powder
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水溶性Solubility Clear,100 mg/mL in 1N NaOH
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红外光谱Infrared spectrum Conforms to Structure
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细胞培养Cell Culture Test Pass
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昆虫细胞培养Insect Cell Test Pass
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含量Assay by Titration 81.0 - 83.0 %
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as MoO3 by Pb(NO3)2
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