Abstract
Gas chromatography was used for studying the retention of HCN, COS, H2S, H2O, CO2, CO, and H2 on organic porous polymer sorbents Chromosorb-104 and Hayesep C either unmodified or modified with different amounts of H3PO4. The effect of water on the signal of the thermionic detector was studied, and the conditions of the determination of 6–23 ppm HCN in aqueous solutions were found: column (3 m × 2 mm) with Hayesep C containing 15 wt % H3PO4. A procedure was developed for the determination of 15–1000 ppm COS in the presence of high concentrations (up to 1 vol %) of H2S on a column (3 m × 2 mm) packed with Chromosorb-104 modified with 0.5 wt % H3PO4 with a flame photometric detector (396 nm). A basic scheme was proposed for the gas chromatographic analysis of the products of the catalytic detoxication of gas emissions in the process of coal gasification.
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Original Russian Text © V.I. Zheivot, S.I. Afanas’eva, A.V. Simakov, 2006, published in Zhurnal Analiticheskoi Khimii, 2006, Vol. 61, No. 3, pp. 272–276.
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Zheivot, V.I., Afanas’eva, S.I. & Simakov, A.V. Gas chromatographic analysis of gas emissions containing impurities of hydrocyanic acid and carbon oxysulfide. J Anal Chem 61, 253–257 (2006). https://doi.org/10.1134/S1061934806030105
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DOI: https://doi.org/10.1134/S1061934806030105