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检 验 项 目
T e s t I t e m
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检 验 标 准
T e s t S t a n d a r d
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检 验 结 果
T e s t r e s u l t
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性状(Characters)
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白色结晶粉末
(White crystalline powder)
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合格(Conform)
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含量(Assay)
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≥99.5%
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99.9%
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澄清度实验
(Appearance of solution)
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应符合规定
(Comply with the standard)
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合格(Conform)
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水溶液反应
(Aqueous reaction)
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应符合规定
(Comply with the standard)
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合格(Conform)
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溴化物(Bromides)
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≤0.01%
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0.002%
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硫酸盐(Sulphates)
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≤0.002%
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0.0005%
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磷酸盐(Phosphate)
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≤0.001%
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0.0003%
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砷(Arsenic)
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≤0.00005%
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0.00002%
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碘(Iodate)
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≤0.002%
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0.0003%
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钙(Calcium)
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≤0.005%
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0.002%
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铁(Iron)
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≤0.0002%
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0.00003%
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钾(Potassium)
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≤0.02%
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0.004%
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镁(Magnesium)
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≤0.002%
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0.0004%
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钡(Barium)
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≤0.001%
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0.0003%
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重金属(Heavy metal)
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≤0.0005%
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0.0002%
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氮化合物(Nitrogen compounds)
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≤0.001%
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0.0004%
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干燥失重(Loss on drying)
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≤0.5%
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0.2%
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亚铁氰化物(Ferrocyanide)
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≤0.0001%
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0.00004%
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水不溶物(Water-insoluble)
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≤0.005%
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0.002%
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结论(Conclusion):符合分析纯之规定(The above product complies with AR)
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