酸蒸馏—碘滴定法测定金银花中二氧化硫残留量  

Determination of Sulfur Dioxide in Honeysuckle by Acid Distillation- Iodimetric Titration

作　　者：董琼[1,2] 赵雪梅[2] 赵蕾[1] 袁天荣[1] 

机构地区：[1]山东中医药大学,山东济南250355 [2]山东大学附属省立医院,山东济南250021

出　　处：《现代中药研究与实践》2014年第5期58-60,共3页Research and Practice on Chinese Medicines

摘　　要：目的建立酸蒸馏—碘滴定法测定金银花中二氧化硫残留量的方法。方法以金银花为样品,采用酸蒸馏-碘滴定法检测。结果二氧化硫平均回收率为85.82%,RSD为1.04%。结论本方法简便、快速,结果准确,可用于金银花中二氧化硫残留量的检测。Objective To establish acid distillation - iodine titration method for the determination of sulfur dioxide residues in honeysuckle. Methods Acid distillation - iodine titration was used to determine sulfur dioxide residues in honeysuckle. Results The average recovery of sulfur dioxide was 85.82%, RSD was 1.04%. Conclusion The method is simple, rapid, accurate and can be used for the sulfur dioxide residues detecting in honeysuckle.

关 键 词：酸蒸馏-碘滴定法 金银花 二氧化硫残留量 含量测定 

分 类 号：R927.1[医药卫生—药学]