|
检 验 项 目 T e s t I t e m |
检 验 标 准 T e s t S t a n d a r d |
检 验 结 果 T e s t r e s u l t |
|
性状 (Characters) |
白色结晶性粉末 (White crystalline powder) |
合格 (Conform) |
|
含量 (Assay) |
99.5% |
99.8% |
|
PH (Ph) |
4.4~6.0 |
合格 (Conform) |
|
澄清度实验 (Appearance of solution) |
应符合规定 (Comply with the standard) |
合格 (Conform) |
|
水不溶物 (Water-insoluble) |
0.01% |
0.005% |
|
氯化物 (Chloride) |
0.0005% |
0.0003% |
|
总氮量 (Total nitrogen) |
0.001% |
0.0004% |
|
*** (Arsenic) |
0.00005% |
0.00002% |
|
锰 (Manganese) |
0.0003% |
0.00012% |
|
铁 (Iron) |
0.0005% |
0.0002% |
|
铜 (Cuprum) |
0.001% |
0.0003% |
|
镉 (Cadmium) |
0.0005% |
0.0002% |
|
铅 (Lead) |
0.001% |
0.001% |
|
硫化铵不沉淀物 (Hydrogen sulfide not precipitate) |
0.05% |
0.03% |
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR) |
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