消毒剂中有效碘标准物质的研制及均匀性分析  

Development of the reference material of the available iodine in disinfectant and homogeneous analysis

作　　者：罗嵩[1] 王红伟[1] 朱英[1] LUO Song, WANG Hong - wei, ZHU Ying(Institute for Environmental Hygiene and Health Related Product Safety, Chinese Center for Disease Control and Prevention,Beijing 100021 ,Chin)

机构地区：[1]中国疾病预防控制中心环境与健康相关产品安全所,北京100021

出　　处：《中国消毒学杂志》2018年第3期168-170,共3页Chinese Journal of Disinfection

基　　金：国家科技部科技基础性工作专项(2014YF211000)

摘　　要：目的研制有效碘标准物质并进行均匀性检验。方法用电位滴定法和统计学分析方法,对制备的有效碘标准物质进行检验与均匀性分析。结果所制备的标准样品为碘伏消毒剂,有效碘含量按质量分数计为0.5%。用电位滴定法测定样品含量,其测量结果的平均值以质量分数计为0.507%。瓶间不均匀性导致的不确定度分量为0.000 8%。结论本研究确定的方案制备出的有效碘标准物质含量准确,均匀性好。Objective To find the reference material of the available iodine,and to test the homogeneity of samples. Methods Potentiometric titration and statistical analysis method were used to test and analyze the homogeneity of the reference material of the available iodine prepared. Results The standard samples prepared were made of iodophor disinfectant,and the content of available iodine was 0. 5% by mass fraction. The contents of samples were determined by potentiometric titration. The average measurement result was 0. 507% and the uncertainty component of between-bottle homogeneity was 0.000 8% . Conclusion The reference material of the available iodine prepared based on the scheme in this study has accurate content and good homogeneity.

关 键 词：有效碘 碘类消毒剂 标准物质 均匀性 不确定度 

分 类 号：R187.1[医药卫生—流行病学]