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  • Title: Simultaneous determination of benzene and toluene in the blood using head-space gas chromatography.
    Author: Pekari K, Riekkola ML, Aitio A.
    Journal: J Chromatogr; 1989 Jul 21; 491(2):309-20. PubMed ID: 2808617.
    Abstract:
    A head-space method for the simultaneous determination of benzene and toluene in blood using a gas chromatograph equipped with a photoionization detector was developed. Internal standards for benzene and toluene were fluorobenzene and o-xylene, respectively, and the detection limit was 5 nmol/l for both solvents. This method is sensitive enough for needs of biological monitoring of benzene and toluene in exposed workers. With automation it offers a possibility for routine measurements. An application of the method in monitoring exposed workers in the industry is presented.
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