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Validation of SPME-GC and HS-GC procedures for the determination of selected solvent residues in edible oil matrices

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Abstract

The validation process – in accordance with the recommendation of the International Conference on Harmonization – was performed in order to define and determine the application of the developed procedures for the determination of solvent residues (hexane, benzene, toluene and chlorinated hydrocarbons – trichloromethane, 1,1,1-trichloroethane, tetrachloromethane, trichloroethene, tetrachloroethene) in oil samples. For extraction and preconcentration of analytes, two simple sample preparation techniques – static headspace analysis (HSA) and solid phase microextraction (SPME) – have been used. Gas chromatography with a flame ionization detector (FID) and electron capture detector (ECD) was applied for the final determination. A critical comparison of developed procedures was conducted considering the values of: limits of detection, concentration ranges, repeatability and uncertainty. The linearity issue was described in details due to the broad measurement ranges of the proposed procedures.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Chemical Faculty, Gdansk University of Technology, 11/12 G. Narutowicza Str., 80-952, Gdańsk, Poland

    Magdalena Michulec & Waldemar Wardencki

Authors
  1. Magdalena Michulec
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  2. Waldemar Wardencki
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Correspondence to Magdalena Michulec.

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Michulec, M., Wardencki, W. Validation of SPME-GC and HS-GC procedures for the determination of selected solvent residues in edible oil matrices. Accred Qual Assur 12, 94–104 (2007). https://doi.org/10.1007/s00769-006-0235-4

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  • DOI: https://doi.org/10.1007/s00769-006-0235-4

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