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) |
白色颗粒或粉末 (White particle or powers) |
合格 (Conform) |
含量 (Assay) |
98.0% |
99% |
*** (Phosphorus pentoxide) |
57% |
56% |
水不溶物 (Water insoluble) |
0.02% |
0.005% |
氟化物 (Fluoride) |
0.003% |
0.001% |
*** (He***y metal) |
0.0005% |
0.0002% |
*** (Arsenic) |
0.0002% |
0.0001% |
氯化物 (Chloride)
|
0.002% |
0.001% |
***盐 (sulphate) |
0.4% |
0.2% |
1%水溶液PH值 (PH value of 1% solution) |
9.5-10.0 |
合格 (Conform) |
白度 (whiteness) |
90 |
合格 (Conform) |
结论(Conclusion):符合分析纯之规定(The above product complies with Reagent Grade) |