FIELD: chemistry.
SUBSTANCE: stationary phase in gas chromatography for separating and determining low-boiling oxygen-containing organic compounds is in form of a block-copolymer of ethylene and propylene oxides with general formula H(OC3H6)m(OC2H4)nR], where R - OC2H5 or OH, m=14-16, n=2-3, with molecular weight of 800-1000 units.
EFFECT: possibility of chromatographic separation of low-boiling oxygen-containing organic compounds of the C1-C5 fraction.
4 ex, 4 dwg
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