检验项目TestItem检验标准TestStandard检验结果Testresult性状（Characters）无色结晶（colorlesscrystalline）合格（Conform）含量（Assay）99.0%99.5%PH（Ph）6.0~7.5合格（Conform）澄清度实验(Appearanceofsolution)应符合规定（Complywiththestandard）合格（Conform）水不溶物(Insolublematter) 0.005%0.0012%氯化物(Chloride)0.02%0.008%***盐和亚***盐（Sulphatesandsulphite）0.05%0.02%硫化物(Sulfur compounds) 0.00025%0.0001%总氮量（Totalnitrogen）0.005%0.003%镁(Magnesium) 0.001%0.0004% 钙(Calcium)0.003%0.001%铁(Iron)0.0005%0.0002%***(He***ymetal)0.0005%0.0002%结论(Conclusion)：符合分析纯之规定(The above product complies with AR))