用于化妆品的固体进样-半定量汞速测仪的研制

引用本文: 王博, 刘霁欣, 张晓红, 毛雪飞, 丁兰, 那星. 用于化妆品的固体进样-半定量汞速测仪的研制[J]. 分析化学, 2018, 46(7): 1025-1031. doi: 10.11895/j.issn.0253-3820.181105 shu

Citation: WANG Bo, LIU Ji-Xin, ZHANG Xiao-Hong, MAO Xue-Fei, DING Lan, NA Xing. Development of Semi-quantitative Solid Sampling Mercury Analyzer for Cosmetics[J]. Chinese Journal of Analytical Chemistry, 2018, 46(7): 1025-1031. doi: 10.11895/j.issn.0253-3820.181105 shu

用于化妆品的固体进样-半定量汞速测仪的研制

王博 ^1,2, ,
刘霁欣 ^2, ,
张晓红 ^3, ,
毛雪飞 ^2, ,
丁兰 ^1, ,
那星 ^4,

1.
吉林大学化学学院, 长春 130000;
2.
中国农业科学院农业质量标准与检测技术研究所, 北京 100081;
3.
北京北大先锋科技有限公司, 北京 100871;
4.
北京本立科技有限公司, 北京 100081
基金项目:
本文系国家重点研发计划项目（No.2017YFD0801203）和国家自然科学基金项目（No.31571924）资助

摘要: 研制了基于汞（Hg）和碘化亚铜（CuI）显色反应的固体直接进样半定量汞速测装置，由催化加热炉、测汞管、空气泵和拍照组件构成。采用101白色担体作为CuI的吸附剂，通过固体直接进样方式导入化妆品样品，既可肉眼辨识Hg超标的显色强度，又可利用智能手机的摄像和RGB分析软件快速半定量分析化妆品中Hg含量。此装置对Hg的检出限为50 ng，线性范围为50~2500 ng，线性回归系数（R²）> 0.97，重复测定RGB值的RSD为6%（n=11）。对化妆品实际样品的测定结果表明，本研究的仪器方法与《化妆品安全技术规范》（2015版）中汞分析仪法所得结果的相对偏差≤ 10%，分析时间在5 min内，方法快捷、方便、准确、直观，可用于化妆品中Hg的现场快速筛查。

关键词:

English

Development of Semi-quantitative Solid Sampling Mercury Analyzer for Cosmetics

1.
College of Chemistry, Jilin University, Changchun 130000, China;
2.
Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
3.
Beijing Peking University Pioneer Technology Company, Limited, Beijing 100871, China;
4.
Beijing Ability Technique Company, Limited, Beijing 100081, China
Received Date: 08 February 2018
Revised Date: 02 May 2018
Fund Project:
This work was supported by the National Key Research & Development Project (No. 2017YFD0801203) and the National Natural Science Foundation of China (No.31571924).

Abstract: On the basis of the chromogenic reaction between Hg and CuI, a semi-quantitative solid sampling Hg analyzer comprising the catalytic furance, Hg testing tube, air pump and smart cellphone was developed. White carrier 101 was chosen as the adsorbent for CuI to react with Hg from the catalytic furnace. The established Hg analyzer can not only visually recognize the coloration when Hg exceeding the limit standard, but also semi-quantitatively detect the Hg content in cosmetics fast using a smart cellphone and RGB analysis software, after direct solid sampling introduction of cosmetics sample. The instrumental detection limit (LOD) of mercury was 50 ng, the linearity ranged from 50 ng to 2500 ng, the linear regression coefficient (R²) was higher than 0.97, and the RSD of the corresponding RGB values was 6% (n=11). Nine real cosmetics samples were measured by the established method, whose relative differences of Hg contents with that by the standard method (Safety Technical Specification for Cosmetics, 2015 edition) were less than 10%. The whole analytical time can be controlled within 5 min. The established instrumental method is simple, fast, accurate and visual, and extremely suitable to fast and on-site monitoring of Hg in cosmetics samples.

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

用于化妆品的固体进样-半定量汞速测仪的研制

English

Development of Semi-quantitative Solid Sampling Mercury Analyzer for Cosmetics

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

用于化妆品的固体进样-半定量汞速测仪的研制

English

Development of Semi-quantitative Solid Sampling Mercury Analyzer for Cosmetics

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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