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BS 812-118-1988 集料试验.硫酸盐含量的测定方法

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【英文标准名称】:Testingaggregates.Methodsfordeterminationofsulphatecontent
【原文标准名称】:集料试验.硫酸盐含量的测定方法
【标准号】:BS812-118-1988
【标准状态】:现行
【国别】:英国
【发布日期】:1988-08-31
【实施或试行日期】:1988-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:筑路石集料;施工材料;天然集料;水泥与混凝土技术;试样制备;硫酸盐;基础;化学分析和试验;精密度;试验条件;萃取分析法;试样;离子交换法;含量测定;重量分析;集料;合成集料;碎砖石垫层;定量分析;试验设备
【英文主题词】:chemicalanalysisandtesting;constructionmaterials;naturalaggregates;syntheticaggregates;sulphates;precision;gravimetricanalysis;testingconditions;foundations;testspecimens;determinationofcontent;extractionmethodsofanalysis;ion-exchangemethods;quantitativeanalysis;roadstoneaggregates;testequipment;hardcore;specimenpreparation;aggregates;cementandconcretetechnology
【摘要】:Describestwomethods,oneforaggregatestobeusedasdrainagematerialsorforfillandhardcore,e.g.unboundroadbasesorfoundationsandoneforaggregatesusedinconcreteandcementboundmaterials.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:Sensoryanalysis-Testingofpackagingmaterialsandpackagesforfoodstuffs
【原文标准名称】:感官分析.食品用包装材料和包装件的检验
【标准号】:DIN10955-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-06
【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】:检验;定义;感官分析;味觉;检验规范;食品;包装手段;气味;品尝检验;嗅觉分析;包装材料;试验条件;包装件;试验
【英文主题词】:Definition;Definitions;Foodproducts;Inspection;Inspectionspecification;Meansofpackaging;Odours;Olfactoryanalysis;Packages;Packagingmaterials;Sensoryanalysis;Taste;Tastetests;Testing;Testingconditions
【摘要】:Thisstandardspecifiesasensoryanalysismethodforpackagingmaterialsandpackagesforfoodproductstoassesstheircompatibilitywithfoodproducts[1],[2],[3].Themethodservestoestablishwhetherapackageorpackagingmaterialorafoodhandlingcommodityhasaninherentodourorcontainssubstancesthat,underthespecifiedtestconditions,aretransferredtoatestsubstanceeitherthroughtheair-filledcavityorthroughdirectcontactandalteritstaste.Originalpackagedproductsorfoodsimulants(seeclause9)maybeusedastestsubstances.Iftestsareperformedbecausetheuserhassensorycomplaintsaboutthepackagedmaterialstakenfromfinalpackages,itshallfirstbeestablishedwhetherthetestmethodisinapplicablebecausethechangescomplainedofareduetosecondaryeffectsortothepermeabilityofthepackagestoodoroussubstancesortheirabilitytoabsorbthem.Thestandarddoesnotapplytopackagesandpackagingmaterialmadeofpaperorcardboardwhoseoff-odoureffectonandtaintingofthefoodsimulantsaretestedinindirectcontactatambienttemperature,whicharecoveredbyDINEN1230-1andDINEN1230-2.
【中国标准分类号】:X04
【国际标准分类号】:55_040;67_240
【页数】:15P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforpHofPeatMaterials
【原文标准名称】:泥炭材料PH值的试验方法
【标准号】:ASTMD2976-1971(2004)
【标准状态】:现行
【国别】:
【发布日期】:1971
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:土壤;施工材料;泥炭;pH值;施工;试验
【英文主题词】:peat;waterpenetration;waterretention
【摘要】:pHmeasurementsaremadeinwaterandincalciumchloridesolutionbecausethepHreadingsinwatercanbemodifiedbysalts,suchasfertilizermaterial,whereastheobservedpHincalciumchloridesolutionisvirtuallyindependentoftheinitialamountofsaltspresentinthesoil.pHvaluesobtainedincalciumchloridesolutionusuallyrunabouta0.5to0.8pHunitlowerthanmeasurementsinwaterduetoreleaseofmorehydrogenionsbycationexchange.1.1ThistestmethodcoverstheelectrometricmeasurementofthepHofpeatmaterials.Itisameansofexpressingthedegreeofacidityoralkalinityofpeatmaterialsuspendedinwaterand0.01Mcalciumchloridesolution.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B11
【国际标准分类号】:65_080
【页数】:2P.;A4
【正文语种】: