【英文标准名称】:Animalandvegetablefatsandoils-DeterminationofsolidfatcontentbypulsedNMR-Part1:Directmethod
【原文标准名称】:动物和植物的脂肪和油.用脉冲NMR测定固体脂肪含量.第1部分:直接法
【标准号】:ISO8292-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:农产品;动物脂肪;动物油;化学分析和试验;定义;含量测定;直接法;脂肪;食品检验;食品;核磁共振分光计;固体;植物脂肪;植物油
【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.NOTEAnindirectmethodisspecifiedinISO8292-2.
【中国标准分类号】:X14
【国际标准分类号】:67_200_10
【页数】:32P.;A4
【正文语种】:英语