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目的:为基层医院提供准确可行的中药饮片二氧化硫残留量及加重粉检验方法,保证中药材质量。方法:使用蒸馏-间接碘量法测定二氧化硫含量;采用理化鉴别方法检测加重粉。结果:中药材市场中药饮片二氧化硫含量及加重粉使用情况的合格率分别为43%和60%。结论:本文检测方法准确易行,适宜推广普及,可以及时有效阻止不合格中药饮片流入医院药房。
Objectives: To provide grass-roots hospitals with accurate and feasible residue of Chinese herbal medicine slices sulfur dioxide and increase the powder testing methods to ensure the quality of Chinese herbal medicines. Methods: The content of sulfur dioxide was determined by distillation - indirect iodometry. The physical and chemical identification method was used to detect the increase of sulfur dioxide. Results: The qualified rate of sulfur dioxide content and aggravating powder usage in Chinese herbal medicine market was 43% and 60% respectively. Conclusion: The detection method in this paper is accurate and feasible, suitable for popularization and popularization, which can effectively stop the flow of unqualified Chinese medicine decoction into the hospital pharmacy in time.