DIN EN 196-10-2006 水泥试验方法.第10部分:水泥溶解铬(VI)含量测定
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【英文标准名称】:Methodsoftestingcement-Part10:Determinationofthewater-solublechromium(VI)contentofcement;EnglishversionofDINEN196-10:2006-10
【原文标准名称】:水泥试验方法.第10部分:水泥溶解铬(VI)含量测定
【标准号】:DINEN196-10-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;粘合剂;水泥;化学分析和试验;铬;铬(VI);建筑;施工材料;含量测定;萃取;萃取分析法;检验规范;数学计算;一份;试剂;基准方法;抽样方法;规范(验收);试验;试验条件;水溶解
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesthemethodforthedeterminationofthewater-solublechromium(VI)contentofcement.Areferencemethodisdescribedconsistingoftwostages,anextractionprocedureandananalysisofthefilteredextract.Guidanceonotherextractionprocedures,suitableforscreeningtests,forfactoryproductioncontrolorotherpurposes,isgivenbutincaseofdisputeorfailuretocomplywitharegulatorylimitonlythereferencemethodisused.Thereferencemethodhasalternativeswherebythefilteredextractmaybesubjectedtoanoxidationstepornot.Thecriteriabywhichtheappropriateprocedureisselectedaresetdown.Otherinstrumentalproceduresmaybeusedfortheanalysisofthefilteredextractprovidedtheyarecalibratedagainsttheanalysisofthefilteredextractusingthereferenceprocedure.Inthecaseofadispute,onlythereferencemethodisused.AnnexAsetsoutanormativeproceduretobefollowedincasethistestmethodisusedasthebasisforevaluationofconformityofacementwiththeregulatorylimitinDirective2003/53/EC.ThisEuropeanStandarddescribesamethodthatappliestocements.Itmayhavewiderapplicabilitybutthiswouldneedtobeverifiedbytestingonaproduct-by-productbasis.GuidanceinthepossibleapplicationofthisEuropeanStandardtothedeterminationofthewater-solublechromium(VI)contentofcement-containingpreparationsisgiveninAnnexB.AnnexesCandDprovideinformationonothertestproceduresbasedonpasteextractionandthusdepartfromtheperformanceofcementinitsnormalconditionsofuse.Theymaybecarriedoutwithorwithouttheoxidationprocess.Usersshouldbeawarethatresultsusingthesemethodsmightbesignificantlydifferenttothoseobtainedbythereferencemethod.Inthecaseofdisputeorfailuretocomplywiththeregulatorylimitonlythereferencemethodisused.AnnexEprovidesguidanceonamethodfordeterminationoftheexcessreducingagentcontentofcementasusedinthefactoryinternalcontrolsystemofsomecountries.Manufacturesusingsuchaninternalcontrolmethodshouldassurethemselvesoftherelevanceofresultsincomparisonwithtestingbythereferencemethod.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:41P.;A4
【正文语种】:英语
【原文标准名称】:水泥试验方法.第10部分:水泥溶解铬(VI)含量测定
【标准号】:DINEN196-10-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;粘合剂;水泥;化学分析和试验;铬;铬(VI);建筑;施工材料;含量测定;萃取;萃取分析法;检验规范;数学计算;一份;试剂;基准方法;抽样方法;规范(验收);试验;试验条件;水溶解
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesthemethodforthedeterminationofthewater-solublechromium(VI)contentofcement.Areferencemethodisdescribedconsistingoftwostages,anextractionprocedureandananalysisofthefilteredextract.Guidanceonotherextractionprocedures,suitableforscreeningtests,forfactoryproductioncontrolorotherpurposes,isgivenbutincaseofdisputeorfailuretocomplywitharegulatorylimitonlythereferencemethodisused.Thereferencemethodhasalternativeswherebythefilteredextractmaybesubjectedtoanoxidationstepornot.Thecriteriabywhichtheappropriateprocedureisselectedaresetdown.Otherinstrumentalproceduresmaybeusedfortheanalysisofthefilteredextractprovidedtheyarecalibratedagainsttheanalysisofthefilteredextractusingthereferenceprocedure.Inthecaseofadispute,onlythereferencemethodisused.AnnexAsetsoutanormativeproceduretobefollowedincasethistestmethodisusedasthebasisforevaluationofconformityofacementwiththeregulatorylimitinDirective2003/53/EC.ThisEuropeanStandarddescribesamethodthatappliestocements.Itmayhavewiderapplicabilitybutthiswouldneedtobeverifiedbytestingonaproduct-by-productbasis.GuidanceinthepossibleapplicationofthisEuropeanStandardtothedeterminationofthewater-solublechromium(VI)contentofcement-containingpreparationsisgiveninAnnexB.AnnexesCandDprovideinformationonothertestproceduresbasedonpasteextractionandthusdepartfromtheperformanceofcementinitsnormalconditionsofuse.Theymaybecarriedoutwithorwithouttheoxidationprocess.Usersshouldbeawarethatresultsusingthesemethodsmightbesignificantlydifferenttothoseobtainedbythereferencemethod.Inthecaseofdisputeorfailuretocomplywiththeregulatorylimitonlythereferencemethodisused.AnnexEprovidesguidanceonamethodfordeterminationoftheexcessreducingagentcontentofcementasusedinthefactoryinternalcontrolsystemofsomecountries.Manufacturesusingsuchaninternalcontrolmethodshouldassurethemselvesoftherelevanceofresultsincomparisonwithtestingbythereferencemethod.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:41P.;A4
【正文语种】:英语
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