复方硫洗剂中硫的含量测定  

Determination of sulphur in compound sulphur lotion

作　　者：江日容[1] 熊凤英[1] 

机构地区：[1]广西医科大学第四附属医院,柳州545005

出　　处：《中南药学》2005年第5期289-291,共3页Central South Pharmacy

摘　　要：目的研究复方硫洗剂中硫的含量测定.方法采用紫外分光光度法.取硫(升华硫)约0.1 g,加氢氧化钾-稀乙醇(1→10)溶液10 mL,于80 ℃水浴中加热溶解,用水制成1 mL含硫约100 μg的溶液,在(370±2)nm波长处测定.结果硫在60～120 μg·mL-1线性关系良好(r=0.999 5),平均回收率为101.0%(n=4),RSD为1.04%.结论紫外分光光度法测定复方硫洗剂中硫的含量结果较满意.OBJECTIVE To establish a method of determination of sulphur in compound sulphur lotion.METHODS The sulphur in compound sulphur lotion was dissolved in potassium hydroxide-dilute alcohol （1→10） at 80℃ and then diluted with water. UV spectrophotometry was used to determine the sulphur content at （370±2） nm wavelength. RESULTS When the concentration of sulfur was between 60-120μg·mL^-1 , the linear relation was good （r=0. 999 5）, the average recovery rate was 101.0% （n=4）, and RSD was 1.04%. CONCLUSIONS The method is accurate and suitable for the determination of sulphur in compound sulphur lotion.

关 键 词：复方硫洗剂 硫的含量测定 紫外分光光度法 

分 类 号：R927.22[医药卫生—药学]