DIN EN ISO 5983-2-2009 牲畜饲料.氮含量和粗蛋白质含量的测定.第2部分:消解法和蒸馏法(ISO5983-2:2009),DINENISO5983-2:2009-10的英文版本

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【英文标准名称】:Animalfeedingstuffs-Determinationofnitrogencontentandcalculationofcrudeproteincontent-Part2:Blockdigestionandsteamdistillationmethod(ISO5983-2:2009);EnglishversionofDINENISO5983-2:2009-10
【原文标准名称】:牲畜饲料.氮含量和粗蛋白质含量的测定.第2部分:消解法和蒸馏法(ISO5983-2:2009),DINENISO5983-2:2009-10的英文版本
【标准号】:DINENISO5983-2-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculture;Animalfeed;Animalfeeding;Chemicalanalysisandtesting;Content;Crudeproteins;Decompositionmethods;Definitions;Determinationofcontent;Digestionmethod;Distillationmethodsofanalysis;Foodproducts;Inter-laboratorytests;Kjeldahlsmethod;Mathematicalcalculations;Nitrogen;Nitrogencontent;Proteincontent;Proteins;Steam
【摘要】:ThispartofISO5983specifiesamethodforthedeterminationofnitrogencontentofanimalfeedingstuffsaccordingtotheKjeldahlmethod,andamethodforthecalculationofthecrudeproteincontent.Itissuitableforuseasasemi-microrapidroutinemethodusingblockdigestioncoppercatalystandsteamdistillationintoboricacid.Themethodisapplicabletothedeterminationofgreaterthan0,5%massfractionKjeldahlnitrogeninanimalfeedingstuffs,petfoods,andtheirrawmaterials.Themethoddoesnotmeasureoxidizedformsofnitrogennorheterocyclicnitrogencompounds.Themethoddoesnetdistinguishbetweenproteinnitrogenandnon-proteinnitrogenNOTEIfitisofimportancetodeterminethecontentofnon-proteinnitrogen,anappropriatemethodcanbeused.
【中国标准分类号】:B46
【国际标准分类号】:65_120
【页数】:22P.;A4
【正文语种】:英语