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目的:对我国现行版药典二部纯化水中氨检查的质量标准提出修改建议。方法:对纯化水中氨检查方法的比色器皿的使用、操作方法及所用试剂进行分析、探讨。结果:纯化水氨检查标准中比色器皿使用不明确;操作不规范;所用试剂精密度表述有误、制取繁琐。结论:应完善并及时修订纯化水中氨检查标准。
OBJECTIVE: To propose the modification suggestions on the quality standard of ammonia in purified water of the current version of Chinese Pharmacopoeia. Methods: The use of colorimetric vessels in the method for the determination of ammonia in purified water, the methods of operation and the reagents used were analyzed and discussed. Results: Purified water ammonia test standards in the use of colorimetric vessels is not clear; the operation is not standardized; the precision of the reagents used in the description is cumbersome. Conclusion: Ammonia testing standards in purified water should be refined and updated in time.