Mass Spectrometry Letters

Korean Society for Mass Spectrometry (한국질량분석학회)
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Fast Screening of Harmful Disinfectants in Household Products via Low-Temperature Plasma Ionization-Mass Spectrometry

  • Lee, Hyoung Jun (Korea Research Instiute of Standards and Science (KRISS)) ;
  • Kweon, Gi Ryang (Department of Biochemistry, College of Medicine, Chungnam National University) ;
  • Yim, Yong-Hyeon (Korea Research Instiute of Standards and Science (KRISS))
  • Received : 2017.06.17
  • Accepted : 2017.06.23
  • Published : 2017.06.30
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Abstract

Isothiazolinone derivatives are widely used in consumer products as disinfectants or preservatives, but there are growing concerns about their impact on human health. Therefore, rapid screening of these biocides is very important for proper control and regulation of potentially hazardous substances. To this end, low-temperature plasma (LTP) ionization mass spectrometry (MS) was investigated to demonstrate its potential for direct and selective analysis of isothiazolinones from sprayed aerosol samples. Benzisothiazolinone (BIT) was clearly identified from a commercial fabric deodorant using LTP ionization MS and MS/MS. LTP allowed selective ionization of BIT directly from the simply sprayed aerosol sample and illustrated its potential for fast screening without sample pre-treatments. Selective nature of LTP ionization, on the other hands, implicates use of LTP ionization MS as a general screening method for specific groups of hazardous chemicals in commercial products.

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