Abstract
A method for the metrological certification of reference samples (RS) of solutions of organic compounds was proposed. The method is based on a procedure of sample preparation that uses both calculated and experimental data and involves the evaluation of the purity of the reagents employed. Impurity components were identified. Procedures for the determination of impurity components in source materials by gas chromatography with flame-ionization detection were developed. Calibration coefficients for halogen-containing impurity components in reference to an internal standard were determined experimentally or calculated. Certified reference samples of solutions of trichloromethane, bromodichloromethane, dibromochloromethane, and tribromomethane were designed for the quality control of drinking water
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Kirichenko, V.E., Pervova, M.G., Pashkevich, K.I. et al. Development of certified reference samples of solutions of trihalomethanes. J Anal Chem 55, 221–226 (2000). https://doi.org/10.1007/BF02757203
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DOI: https://doi.org/10.1007/BF02757203