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对于甘露醇注射液的含量测定,中国药典一九七七年版用的是碘量法,即:根据甘露醇与高碘酸发生定量的氧化还原反应,剩余的高碘酸再与碘化钾作用生成游离碘,用硫代硫酸钠标准溶液滴定,根据消耗硫代硫酸钠液的量便可计算甘露醇注射液之含量。由于此法操作比较复杂,测检费时间,不便于生产中特别是灌装前的含量测定。我院分析室采用折光法测定甘露醇注射液含量,多次实践证明,此法操作十分简便,快速,与
For mannitol injection content determination, the Chinese Pharmacopoeia 1977 edition is the use of iodometric method, namely: According to mannitol and periodic acid quantitative oxidation and reduction reaction, the remaining periodate and potassium iodide and then generate free Iodine, titration with sodium thiosulfate standard solution, according to the amount of consumption of sodium thiosulfate solution can be calculated mannitol injection content. Due to the complexity of this method of operation, test fee time, inconvenient in the production, especially before filling content determination. Analysis of our hospital room refractive index determination of mannitol injection content, proven several times, this method is very easy to operate, fast, and