Improvement of Formaldehyde Analysis in Cosmetic Products by a Dual wavelength Spectroscopy

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Improvement of Formaldehyde Analysis in Cosmetic Products by a Dual wavelength Spectroscopy

- Improvement of Formaldehyde Analysis in Cosmetic Products by a Dual wavelength Spectroscopy
- Vol. 35, Issue 11, Pages: 1500-1504(2016)
- 作者机构：
  
  1. 华南理工大学制浆造纸工程国家重点实验室
  2. 国家纸制品质量监督检验中心
- 作者简介：
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Improvement of Formaldehyde Analysis in Cosmetic Products by a Dual wavelength Spectroscopy. [J]. 35(11):1500-1504(2016)
DOI：

Improvement of Formaldehyde Analysis in Cosmetic Products by a Dual wavelength Spectroscopy. [J]. 35(11):1500-1504(2016) DOI：

摘要

提出了一种基于双波长光谱法(以500 nm吸光度为基准并结合414 nm处的吸光度)快速测定化妆品中甲醛含量的方法。结果表明：采用单波长的计算方法(不考虑基线漂移)产生的误差时，平行试验结果之间的相对标准偏差(RSD)可达11.5%，而该方法的RSD最大仅为0.46%。同时该方法能够有效地校正扣除萃取液颜色和基线漂移的影响，且定量下限为7.4 mg/kg。该方法具有分析时间短、操作便捷、灵敏度高、结果准确的优点，适用于化妆品中甲醛的检测。

Abstract

In this paper，a method was presented for the determination of formaldehyde in cosmetics based on a dual wavelength spectroscopy，in which both absorbances at 414 nm and 500 nm were used.The results showed that the relative standard deviation(RSD) of the method is only 0.46%，while it is 11.5% by the single wavelength method.The limit of quantitation(LOQ) of the dual wavelength method is 7.4 mg/kg.The present method is sensitive and accurate,and is suitable for the the determination of low content formaldehyde in cosmetic products.

关键词

化妆品甲醛双波长可见光谱法

Keywords

cosmeticsformaldehydedual wavelengthvisible spectrometry

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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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