4.6 Article

Determination of organotin compounds in waters by headspace solid phase microextraction gas chromatography triple quadrupole tandem mass spectrometry under the European Water Framework Directive

期刊

JOURNAL OF CHROMATOGRAPHY A
卷 1385, 期 -, 页码 85-93

出版社

ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2015.01.070

关键词

Organotin compounds; Gas chromatography-tandem mass spectrometry; HS-SPME-GC-MS/MS; Water samples; Water Framework Directive 2013/39/EU

资金

  1. Program of Consolidation and Structuring of Units of Competitive Investigation of the University System of Galicia (Xunta de Galicia)
  2. ERDF in the frame of the operative Program of Galicia [GRC2013-047]
  3. Ministry of Economy and Competitiveness [CTM2013-48194-C3-2-R]

向作者/读者索取更多资源

The European Union Water Framework Directive (2013/39/EU) sets very restrictive environmental quality standards for 45 priority substances and other pollutants, including organotin compounds (OTCs). Therefore, it is necessary to develop analytical methods in compliance with the environmental quality standard (EQSs) proposed to protect the aquatic environment and humans. The proposed method (HS-SPME-GC-QqQ-MS/MS) allows the determination of OTCs, i.e. monobutyltin (MBT), dibutyltin (DBT) and TBT in water in the range of few ngL(-1). The method is nearly full automated, sensitive and simple; it involves less reagents, reduces waste, and is less-time consuming than traditional methods for OTCs. As such, the procedure connects with the principles of green analytical chemistry. Additionally, good precision (RSD < 20%), a very low method quantification limit (MQL) (0.76 ng L-1 for TBT by using only 10 mL of sample) and excellent linearity (range MQL-20 ng L-1) are achieved. Under these conditions, the very restrictive limits for the environmental quality standards (EQS) fixed by the 2013/39/EU Directive are achieved. (C) 2015 Elsevier B.V. All rights reserved.

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