Determination of 10 Kinds of Benzotriazole Ultraviolet Absorbents in Coatings by Gas Chromatography-Tandem Mass Spectrometry

王晶; 肖前; 张子豪; 刘莹峰; 李全忠; 郑建国; 李攻科

doi:doi：10.3969/j.issn.1004-4957.2019.02.004

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Determination of 10 Kinds of Benzotriazole Ultraviolet Absorbents in Coatings by Gas Chromatography-Tandem Mass Spectrometry

更新时间：2023-04-18

- Determination of 10 Kinds of Benzotriazole Ultraviolet Absorbents in Coatings by Gas Chromatography-Tandem Mass Spectrometry
- Vol. 38, Issue 2, Pages: 148-153(2019)
- 作者机构：
  
  1. 广东检验检疫技术中心
  2. 中山大学化学与化学工程学院
- 作者简介：
- 基金信息：
- DOI：doi：10.3969/j.issn.1004-4957.2019.02.004
  CLC：
- Published：2019
- 稿件说明：
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王晶, 肖前, 张子豪, 刘莹峰, 李全忠, 郑建国, 李攻科. Determination of 10 Kinds of Benzotriazole Ultraviolet Absorbents in Coatings by Gas Chromatography-Tandem Mass Spectrometry[J]. 2019, 38(2): 148-153.
DOI：

王晶, 肖前, 张子豪, 刘莹峰, 李全忠, 郑建国, 李攻科. Determination of 10 Kinds of Benzotriazole Ultraviolet Absorbents in Coatings by Gas Chromatography-Tandem Mass Spectrometry[J]. 2019, 38(2): 148-153. DOI： doi：10.3969/j.issn.1004-4957.2019.02.004.

摘要

建立了涂料中10种苯并三唑类紫外线吸收剂的气相色谱-串联质谱(GC-MS/MS)检测方法。水性涂料和溶剂型涂料样品风干成膜后分别以正己烷、乙腈超声提取，DB-5色谱柱(30 m×0.32 mm×0.25 μm)分离，MRM模式进行分析检测。结果表明，10种苯并三唑类紫外线吸收剂在0.1~10 μg/mL范围内与峰面积呈线性关系，方法的检出限(S/N=3)为0.6 mg/kg，定量下限(S/N=10)为2.0 mg/kg，在2、20、200 mg/kg加标浓度下的回收率为71.6%~112%，相对标准偏差(RSD，n=6)不大于5.5%。该方法快速简便、准确可靠，适用于涂料中苯并三唑类紫外线吸收剂的日常分析检测。

Abstract

A gas chromatography-tandem mass spectrometric(GC-MS/MS) method was developed for the determination of 10 kinds of benzotriazole ultraviolet absorbents in coatings.Samples were air-dried into a film

then extracted with hexane or acetonitrile through ultrasonic method.The target ingredients were separated on a DB-5 column(30 m×0.32 mm×0.25 μm) and analyzed under MRM mode.The linear ranges for 10 kinds of benzotriazole ultraviolet absorbents were between 0.1 μg/mL and 10 μg/mL.The limits of detection of this method were 0.6 mg/kg

and the limits of quantitation were 2.0 mg/kg.The recoveries ranged from 71.6% to 112% with relative standard deviations(RSDs

n=6) not more than 5.5%.This method was rapid

convenient

accurate and reliable

and it was appropriate for the routine determination of benzotriazole ultraviolet absorbents in coatings.

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