ISO 14673-3-2004 乳和乳制品.硝酸盐和亚硝酸盐含量的测定.第3部分:线渗析镉还原和流注入分析法(常规法)

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【英文标准名称】:Milkandmilkproducts-Determinationofnitrateandnitritecontents-Part3:Methodusingcadmiumreductionandflowinjectionanalysiswithin-linedialysis(Routinemethod)
【原文标准名称】:乳和乳制品.硝酸盐和亚硝酸盐含量的测定.第3部分:线渗析镉还原和流注入分析法(常规法)
【标准号】:ISO14673-3-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-02
【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;光度测量法;食品;化学分析和试验;定义;牛奶;亚硝酸盐;乳酪;渗析;奶制品;含量测定;试样制备;亚硝酸盐含量;流动注入分析;还原;流量分析;硝酸盐含量;光谱学;乳制品;硝酸盐
【英文主题词】:Agriculturalproducts;Cheese;Chemicalanalysisandtesting;Dairyproducts;Definitions;Determinationofcontent;Dialysis;Flowanalysis;Flowinjectionanalysis;Foodproducts;Milk;Milkproducts;Nitratecontents;Nitrates;Nitritecontent;Nitrites;Photometry;Reduction;Specimenpreparation;Spectroscopy
【摘要】:ThispartofISO14673|IDF189specifiesaroutinemethodforthedeterminationofthenitrateandnitritecontentsofmilkandmilkproductsbycadmiumreductionandflowinjectionanalysis(FIA).Themethodisapplicabletohard,semi-hardandsoftcheesesofvariousages,andprocessedcheese.Thedetectionlimitsofthemethodare0,5mgofnitrateionsperkilogramand1,0mgofnitriteionsperkilogram.Themethodisalsoapplicabletowheypowder,milkpowderandmilk-basedinfantfood.NOTE1ThemethodcloselyresemblestheFIAmethoddescribedinreference[2]forthedeterminationofnitrateandnitriteinmilkandfluiddairyproducts.Adaptationsweremadetoallowfortheanalysisofcheeseandtoobtainsufficientsensitivityforthedeterminationoflowlevelsofnitriteincheeseandmilk-basedinfantfoods.NOTE2Fordeterminationofnitriteandnitratefollowingcadmiumreduction,useismadeofthesamecolourreactionasdescribedinISO14673-1|IDF189-1.
【中国标准分类号】:X16
【国际标准分类号】:67_100_01
【页数】:10P;A4
【正文语种】:英语