GEL PERMEATION CHROMATOGRAPHIC ANALYSIS OF LACQUER POLYSACCHARIDE

(整期优先)网络出版时间:1992-02-12
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TenfractionatedsamplesofChineselacquerpolysaccharideinaqueous0.1MNaC1solutionwerestudiedbyaqueous-phasegelpermeationchromatography(GPC).Theuniversalcalibration,broadMWDcalibrationandcorrectedcolumndispersionwereadoptedtotheanalysisofGPCchromatogramsofthepolysaccharide.ThemolecularweightsM_w,M_nandpolydispersityindexM_w/M_nobtainedfromGPCareingoodagreementwiththeresultsoflightscatteringandmembraneosmometry.Itisverifiedthattheuniversalcalibrationconceptisapplicabletothelacquerpolysaccharidehavinganumberofsidechains.