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) |
白色粉末 (White powder) |
合格 (Conform) |
含量 (Assay) |
97.0% |
98.8% |
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) |
0.005% |
0.002% |
酸性亚***盐(以Na2HSO3计) (Acid accumulator sulfite(Na2HSO3)) |
应符合规定 (Comply with the standard) |
合格 (Conform) |
游离碱(以Na2CO3计) (Free alkali(Na2CO3)) |
0.1% |
0.03% |
氯化物 (Chloride) |
0.005% |
0.003% |
******盐(S2O3) (Thiosulfate(S2O3)) |
0.01% |
0.004% |
铁 (Iron) |
0.0005% |
0.0002% |
*** (He***y metal) |
0.001% |
0.0006% |
*** (Arsenic) |
0.0001% |
0.00006% |
结论(Conclusion):符合分析纯之规定(The above product complies with AR) |