Effects of 10 Organic Acids on Migration of Heavy Metals in Ceramic Cores of a Electronic Cigarette

YANG Wen-wu; WANG Jing; ZHANG Qian; YU Zhong-jin; WEI Jian; SUN Xiao-tong; WEI Hui-jing; KUANG Li-ping

doi:10.12452/j.fxcsxb.23102701

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Effects of 10 Organic Acids on Migration of Heavy Metals in Ceramic Cores of a Electronic Cigarette

Scientific Papers | 更新时间：2024-03-13

- Effects of 10 Organic Acids on Migration of Heavy Metals in Ceramic Cores of a Electronic Cigarette
- Journal of Instrumental Analysis Vol. 43, Issue 3, Pages: 413-420(2024)
- 作者机构：
  
  深圳市吉迩科技有限公司喜马拉雅实验室，广东深圳 518000
- 作者简介：
- 基金信息：
- DOI：10.12452/j.fxcsxb.23102701
  CLC： O657.63;O629.7
- Published：15 March 2024，
  
  Received：27 October 2023，
  
  Revised：30 November 2023，
- 稿件说明：
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杨文武,王晶,张倩等.10种有机酸对电子烟中陶瓷雾化芯的重金属迁移影响[J].分析测试学报,2024,43(03):413-420.

YANG Wen-wu,WANG Jing,ZHANG Qian,et al.Effects of 10 Organic Acids on Migration of Heavy Metals in Ceramic Cores of a Electronic Cigarette[J].Journal of Instrumental Analysis,2024,43(03):413-420.
杨文武,王晶,张倩等.10种有机酸对电子烟中陶瓷雾化芯的重金属迁移影响[J].分析测试学报,2024,43(03):413-420. DOI： 10.12452/j.fxcsxb.23102701.

YANG Wen-wu,WANG Jing,ZHANG Qian,et al.Effects of 10 Organic Acids on Migration of Heavy Metals in Ceramic Cores of a Electronic Cigarette[J].Journal of Instrumental Analysis,2024,43(03):413-420. DOI： 10.12452/j.fxcsxb.23102701.

摘要

为研究10种有机酸对电子烟中陶瓷雾化芯的重金属迁移影响，配制不同含量有机酸的电子烟烟液，采用电感耦合等离子体质谱法（ICP-MS）对陶瓷雾化芯在加速老化条件下迁移至烟液及气溶胶中的金属元素进行测定，评估重金属在该陶瓷芯中的雾化效率及有机酸的影响。结果表明：烟液、气溶胶方法中各元素的检出限分别均＜10 μg/kg、≤0.055 μg/100口；不同类型和含量的有机酸对重金属的迁移影响不一，柠檬酸、乳酸、苹果酸、乙酸对金属元素的迁移影响相对较大。各元素在气溶胶中的雾化效率为21.2%～45.9%。与未添加有机酸的空白对照组相比，柠檬酸、乳酸、乙酸、苯甲酸、苹果酸对气溶胶中Ni含量提升有显著影响（

＜0.05），柠檬酸对气溶胶中Cu含量提升有显著影响，5种酸对其他元素无显著性差异（

＞0.05）。该方法准确可靠，适用于评估电子烟烟液及气溶胶中有机酸对陶瓷芯的重金属迁移影响。

Abstract

In order to study the influence of 10 kinds of organic acids on the migration of heavy metals in the ceramic atomizing core of electronic cigarette，e-liquid with different contents of organic acids was prepared. The metal elements in the ceramic core migrated to the e-liquid and aerosol under accelerated aging conditions were measured by inductively coupled plasma mass spectrometry（ICP-MS），and the atomization efficiency of heavy metals in the ceramic core and the influence of organic acids were evaluated. The results showed that the detection limits of each element in the e-liquid and aerosol methods were ＜10 μg/kg，≤0.055 μg/100 puffs，respectively. Different types and contents of organic acids have different effects on the migration of heavy metals，the influences of citric acid，lactic acid，malic acid and acetic acid were relatively large. The atomization efficiencies of all elements in the aerosol ranges from 21.2% to 45.9%. Compared with the blank control group，citric acid，lactic acid，acetic acid，benzoic acid and malic acid had a significant impact on the increase of Ni content in aerosols（

0.05），citric acid had a significant impact on the increase of Cu content in aerosols，and the five acids had no significant difference on other elements（

0.05）. This method is accurate and reliable，and is suitable for evaluating the influence of organic acids in e-liquid and aerosol on the migration of heavy metals in ceramic cores.

关键词

陶瓷雾化芯电子烟烟液气溶胶重金属电感耦合等离子体质谱法（ICP-MS）

Keywords

ceramic atomizing coreelectronic cigarettee-liquidaerosolheavy metalsinductively coupled plasma mass spectrometry（ICP-MS）

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