Determination of Paraben Esters in Cosmetics Based on Vector Deductible

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Determination of Paraben Esters in Cosmetics Based on Vector Deductible

- Determination of Paraben Esters in Cosmetics Based on Vector Deductible
- Vol. 32, Issue 6, Pages: 732-736(2013)
- 作者机构：
  
  广西工学院生物与化工系
- 作者简介：
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Determination of Paraben Esters in Cosmetics Based on Vector Deductible. [J]. 32(6):732-736(2013)
DOI：

Determination of Paraben Esters in Cosmetics Based on Vector Deductible. [J]. 32(6):732-736(2013) DOI：

摘要

通过测定化妆品混合体系的紫外多波长光谱，构建本底光谱库和标准光谱库，采用向量扣减方法进行计算，建立了化妆品中对羟基苯甲酸酯的测定方法。实验结果表明：在0.25 ~10 mg/L质量浓度范围内，对羟基苯甲酸酯的吸光度值和质量浓度呈良好线性关系（r＞0.999 2），测量相对误差小于1.2%，RSD小于1.7%。用于市售产品的测定，其结果与高效液相色谱法结果接近。方法快速、准确，降低了试剂消耗量，为化妆品的现场分析提供了可行方案。

Abstract

A UV-Vis spectrophotometric method was developed for the determination of paraben ester in cosmetics.The sample spectrum was identified by establishing background spectrum library and standard spectral library，and using vector deductible model calculation.The results indicated that the method exhibited a good linearity for paraben ester in the range of 0.25-10 mg/L（r＞0.999 2）.The relative error is less 1.2% and the RSD is lower than 1.7%.The analytical results of the proposed method are similar to those obtained by the HPLC method.The method is rapid，accurate and less reagent-consuming，and could provide a feasible scheme for in situ analysis of cosmetics.

关键词

向量扣减紫外-可见分光光度法对羟基苯甲酸酯化妆品

Keywords

vector deductibleUV-Vis spectrophotometryparaben estercosmetics

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Related Institution

Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology，Guangdong Provincial Engineering Research Center for Quality and Safety of Traditional Chinese Medicine，Institute of Analysis，Guangdong Academy of Sciences（China National Analytical Center，），Guangzhou

Guangzhou Institute for Drug Control

Institute of Analysis，Guangdong Academy of Sciences（China National Analytical Center，Guangzhou），Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology，Guangdong Provincial Engineering Research Center for Quality and Safety of Traditional Chinese Medicine

Guangdong Institute for Drug Control，National Medical Products Administration Key Laboratory for Safety Risk Assessment of Cosmetics

Guangzhou Quality Supervision and Testing Institute，National Quality Supervision and Testing Center for Cosmetics（），Guangzhou

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