ampolymer(美國)
ampolymer
美國ampolymerwww.ampolymer.comampolymer美國聚合物標(biāo)準(zhǔn)品公司,不同分子量的聚合物標(biāo)準(zhǔn)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(lǐng)域所需各類聚合物標(biāo)準(zhǔn)品AmericanPolymerStandardsCorporationprovidingMolecularWeightDeterminationServices,PolymerSt
andardsandGPCColumnssince1983APSCisanindependentcontracttestinglaboratoryspecializinginMolecularWeightDistributionanalysisbyvariousmethods.ThesemethodsincludeGelPermeationChromatography/SizeExclusionChromatography(GPC/SEC);Multi-AngleLaserLightScattering(MALLS)andVaporPressureOsmometry(VPO).IntrinsicViscosityisalsoavailable.APSCworkscloselywithcustomersthatrequiremethoddevelopmentorthatwishtohavetheirowncustommethodspreformed. PolymerstandardslistedonthissiteareideallysuitedforcalibratinginstrumentsanddeterminingmolecularweightsofpolymersamplesbyapplicationssuchasGPC/SEC,LALLS,Os