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) |
无色结晶 (Colorless crystal) |
合格 (Conform) |
含量 (Assay) |
99.0% |
99.5% |
磷酸氢二钾 (Potassium phosphate dibasic) |
应符合规定 (Comply with the standard) |
合格 (Conform) |
澄清度实验 (Appearance of solution) |
应符合规定 (Comply with the standard) |
合格 (Conform) |
游离碱 (Free alkali) |
应符合规定 (Comply with the standard) |
合格 (Conform) |
碳酸盐 (Carbonate) |
应符合规定 (Comply with the standard) |
合格 (Conform) |
氯化物 (Chloride) |
0.003% |
0.002% |
氮化合物 (Nitrogen compound) |
0.001% |
0.0005% |
***盐 (Sulphates) |
0.01% |
0.006% |
*** (Arsenic) |
0.0001% |
0.00008% |
铁 (Iron) |
0.002% |
0.0012% |
钠 (Sodium) |
0.02% |
0.008% |
*** (He***y metal) |
0.001% |
0.0005% |
结论(Conclusion):符合分析纯之规定(The above product complies with Reagent Grade) |