FIELD: analytical methods. SUBSTANCE: fixed phase for analysis of volatile organics contains aqueous solution of N-methylmorpholine-N- oxide. Partial pressure of water vapors in gas-carrier varies from 40 to 760 mm Hg and temperature of chromatographic column is chosen within a range of 40 to 150 C. EFFECT: increased separation selectivity for various classes of organic compounds including homologous series of polar compounds. 4 cl, 6 dwg, 1 tbl
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