【英文标准名称】:Animalandvegetablefatsandoils.DeterminationofsolidfatcontentbypulsedNMR.Directmethod
【原文标准名称】:动物和植物油脂.用脉冲核磁共振(NMR)测定固体脂肪含量.直接法
【标准号】:BSENISO8292-1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-10-31
【实施或试行日期】:2010-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculturalproducts;Animalfats;Animaloils;Chemicalanalysisandtesting;Definitions;Determinationofcontent;Directmethod;Fats;Foodinspection;Foodproducts;Inter-laboratorytests;Nuclearmagneticresonancespectrometry;Solids;Vegetablefats;Vegetableoils
【摘要】:ThispartofISO8292specifiesadirectmethodforthedeterminationofsolidfatcontentinanimalandvegetablefatsandoils(hereafterdesignated“fats”)usinglow-resolutionpulsednuclearmagneticresonance(NMR)spectrometry.Twoalternativethermalpre-treatmentsarespecified:oneforgeneralpurposefatsnotexhibitingpronouncedpolymorphismandwhichstabilizemainlyintheβ′-polymorph;andoneforfatssimilartococoabutterwhichexhibitpronouncedpolymorphismandstabilizeintheβ-polymorph.Additionalthermalpre-treatments,whichmaybemoresuitableforspecificpurposes,aregiveninaninformativeannex.Thedirectmethodiseasytocarryoutandisreproducible,butisnotasaccurateastheindirectmethodduetotheapproximatemethodofcalculation.
【中国标准分类号】:
【国际标准分类号】:67_200_10
【页数】:36P;A4
【正文语种】:英语