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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白色结晶性粉末
(White crystalline powder)
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合格
(Conform)
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二氧化硫含量
(Assay)
|
58.5~65.0%
|
62%
|
澄清度实验
(Appearance of solution)
|
应符合规定
(Comply with the standard)
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合格
(Conform)
|
水不溶物
(Water-insoluble)
|
0.005 %
|
0.002%
|
氯化物
(Chloride)
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0.01%
|
0.006%
|
铁
(Iron)
|
0.001%
|
0.0003%
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砷
(Arsenic)
|
0.0001%
|
0.00005%
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重金属
(Heavy metal)
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0.001%
|
0.0004%
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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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