【英文标准名称】:ROADTANKERS.METALTANKERSFORLIQUIDCHEMICALPRODUCTS.DISCHARGEDEVICES:QUICK-ACTIONCOUPLINGS.
【原文标准名称】:道路油罐车.液态化学产品金属油罐.排放装置.快速接头
【标准号】:NFM88-081-1974
【标准状态】:作废
【国别】:法国
【发布日期】:1974-07
【实施或试行日期】:1974-06-17
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:T58
【国际标准分类号】:13_300;23_020_20
【页数】:6P.;A4
【正文语种】:其他


【英文标准名称】:Animalandvegetablefatsandoils-Determinationofperoxidevalue-Iodometric(visual)endpointdetermination
【原文标准名称】:动植物脂肪和油.过氧化值测定.碘量(可视的)终点测定
【标准号】:BSENISO3960-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-05-31
【实施或试行日期】:2010-05-31
【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;Agriculture;Animalfats;Animaloils;Chemicalanalysisandtesting;Cookingoils;Definitions;Determinationofcontent;Ediblefats;Equivalentmeasuringmethods;Fats;Foodproducts;Instruments;Inter-laboratorytests;Iodometry;Laboratoryware;Oils;Packages;Peroxidenumber;Quantitativeanalysis;Samplingmethods;Vegetablefats;Vegetableoils;Visual
【摘要】:ThisInternationalStandardspecifiesamethodfortheiodometricdeterminationoftheperoxidevalueofanimalandvegetablefatsandoilswithavisualendpointdetection.Theperoxidevalueisameasureoftheamountofoxygenchemicallyboundtoanoilorfatasperoxides,particularlyhydroperoxides.Themethodisapplicabletoallanimalandvegetablefatsandoils,fattyacidsandtheirmixtureswithperoxidevaluesfrom0meqto30meq(milliequivalents)ofactiveoxygenperkilogram.Itisalsoapplicabletomargarinesandfatspreadswithvaryingwatercontent.Themethodisnotsuitableformilkfatsandisnotapplicabletolecithins.Itistobenotedthattheperoxidevalueisadynamicparameter,whosevalueisdependentuponthehistoryofthesample.Furthermore,thedeterminationoftheperoxidevalueisahighlyempiricalprocedureandthevalueobtaineddependsonthesamplemass.Itisstressedthat,duetotheprescribedsamplemass,theperoxidevaluesobtainedcanbeslightlylowerthanthoseobtainedwithalowersamplemass.
【中国标准分类号】:X14
【国际标准分类号】:67_200_10
【页数】:16P.;A4
【正文语种】:英语