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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% |
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) | 0.002% | 0.001% |
灼烧残渣 (Ignition residue) | 0.005% | 0.0025% |
氯化物 (chloride) | 0.0001% | 0.00006% |
硫酸盐 (Sulphates) | 0.001% | 0.0005% |
氨 (Ammonia) | 0.002% | 0.0007% |
铁 (Iron) | 0.0001% | 0.00005% |
重金属 (Heavy metal) | 0.0001% | 0.00003% |
缩二脲 (Biuret) | 0.1% | 0.05% |
结论(Conclusion)：符合高纯之规定(The above product complies with Purity) |