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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Simultaneous determination of ultra-trace phenols, polycyclic aromatic hydrocarbons and pesticides in surface water by gas chromatography-mass spectrometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.6, pp.467-475
https://doi.org/10.5806/AST.2012.25.6.467





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Abstract

A gas chromatography-mass spectrometric (GC-MS) method was developed for determining 17 hazard compounds containing phenols, polycyclic aromatic hydrocarbons and pesticides in surface water. A 1.0 L surface water sample was placed in a separatory funnel and saturated with NaCl, and the solution was extracted with 40 mL of methylene chloride. Under the established condition, the lowest quantification limit was 1.0-10 ng/L and the relative standard deviations were less than 22%. The method was used to analyze 70 surface water samples collected from 35 regions in Gum-River. The samples revealed the compounds concentrations in the range of 1.1-26,604 ng/L. Maximum concentrations of compounds detected were not exceeded guidelines established in other countries. The developed method may be valuable for monitoring hazards in water.

keywords
phenols, polycyclic aromatic hydrocarbons, pesticides, gas chromatography-mass spectrometry, surface water


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