Abstract
A procedure was developed for the determination of trace petroleum products in water by gas chromatography with steam as the carrier gas. Solid-phase microextraction was used for sample preparation. A method for the stabilization and homogenization of water samples before the analysis and a method for the removal of polar components of the sample were proposed. The precision and accuracy indices of the proposed procedure were estimated for aqueous solutions of a mixture of diesel fuel and oil with a concentration close to the maximum permissible concentration. The relative error in the measurement is no more than ∼25% in the concentration range of petroleum products of 0.05–0.5 mg/L.
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Original Russian Text © A.V. Chuikin, S.V. Grigor’ev, A.A. Velikov, 2008, published in Zhurnal Analiticheskoi Khimii, 2008, Vol. 63, No. 7, pp. 738–744.
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Chuikin, A.V., Grigor’ev, S.V. & Velikov, A.A. Determination of petroleum trace impurities in aqueous samples by chromatography in a steam flow. J Anal Chem 63, 674–679 (2008). https://doi.org/10.1134/S1061934808070125
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DOI: https://doi.org/10.1134/S1061934808070125