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ampolymer
美國ampolymerwww.ampolymer.comampolymer美國聚合物標準品公司,不同分子量的聚合物標準品系列100多類,由低分子量到中、高分子量,超高分子量,涵蓋制藥、化工、塑料等領域所需各類聚合物標準品AmericanPolymerStandardsCorporationprovidingMolecularWeightDeterminationServices,PolymerSt andardsandGPCColumnssince1983APSCisanindependentcontracttestinglaboratoryspecializinginMolecularWeightDistributionanalysisbyvariousmethods.ThesemethodsincludeGelPermeationChromatography/SizeExclusionChromatography(GPC/SEC);Multi-AngleLaserLightScattering(MALLS)andVaporPressureOsmometry(VPO).IntrinsicViscosityisalsoavailable.APSCworkscloselywithcustomersthatrequiremethoddevelopmentorthatwishtohavetheirowncustommethodspreformed. PolymerstandardslistedonthissiteareideallysuitedforcalibratinginstrumentsanddeterminingmolecularweightsofpolymersamplesbyapplicationssuchasGPC/SEC,LALLS,Os
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