【英文标准名称】:Vitreousandporcelainenamels-Determinationofresistancetochemicalcorrosion-Determinationofresistancetochemicalcorrosionbyalkalineliquidsusingahexagonalvessel
【原文标准名称】:釉瓷和搪瓷.耐化学腐蚀性的测定.用六角容器测定耐碱液化学腐蚀性
【标准号】:BSEN14483-3-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-12-07
【实施或试行日期】:2004-12-07
【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】:热的;非金属覆层;覆层;耐力;耐腐蚀性;耐化学性;试验;化学分析和试验;测定;耐化学性试验;耐碱试验;陶瓷涂层;碱;六角的;瓷漆;强碱;釉层;试验设备;防护覆层
【英文主题词】:Alkali-resistancetests;Alkalis;Bases(chemical);Ceramiccoatings;Chemicalanalysisandtesting;Chemicalresistance;Chemical-resistancetests;Coatings;Corrosionresistance;Determination;Enamels;Hexagonal;Hot;Non-metalliccoatings;Protectivecoatings;Resistance;Testequipment;Testing;Tests;Vitreousenamel
【摘要】:ThispartofEN14483describesatestmethodforthedeterminationoftheresistanceofvitreousandporcelainenamelledarticlestoattackbyalkalineliquidsattemperaturesbetween25℃and95℃.Theapparatususedinthissectionisahexagonalvesselinwhich6enamelledspecimensaresimultaneoustested.NOTE1Theresistancetoanyalkalineliquidcanbetested.However,thetestmethodwasoriginalmadeforthedeterminationoftheresistancetohotdetergentsolutions,withintheneutralandalkalinerange,usedforwashingtextiles.NOTE2Sincedetergentsarecontinuallysubjecttoalterationsintheircomposition,astandardtestsolutionisspecifiedwhich,inrespecttoitsalkalinity,wettingpropertyandcomplexingbehaviour,canbeconsideredasatypicalcompositionforthedetergentsatpresentonthemarket.ThepHvalueandalkalinityofthestandardtestsolutiondependontheproportionsofsodiumtripolyphosphate,sodiumcarbonateandsodiumperboratepresent;sodiumtripolyphosphateactssimultaneouslyasacomplexingagent.Thewettingpropertyofthestandardtestsolutionisobtainedbytheadditionofalkylsulphonate.Ahighersodiumperboratecontentisnotconsiderednecessarysincetheeffectofoxygenonenamelisunimportant,andanincreaseintheperboratecontentdoesnotcauseanyconsiderablealterationinthealkalinityofthestandardtestsolution.Thetestingofdifferentenamelsusingthisstandardtestsolutionandothertestsolutions(including5%sodiumpyrophosphatesolution)hasjustifiedtheuseofthisstandardtestsolutionfordeterminingtheresistanceofenamelstohotdetergentsolutions.
【中国标准分类号】:Y26
【国际标准分类号】:25_220_50
【页数】:18P;A4
【正文语种】:英语


【英文标准名称】:Waterquality.Evaluationofultimateaerobicbiodegradabilityoforganiccompoundsinaqueousmedium.Statictest(Zahn-Wellensmethod).
【原文标准名称】:水质.含水介质中有机化合物极限需氧生物降解能力的评价.静态试验(Zahn-Wellens法)
【标准号】:NFT90-316-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-09-01
【实施或试行日期】:1999-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:水质;水化学;定义;定义;水污染;降解能力;试验规程;水;分析;污泥检验;水常规;标准方法;需氧量;生物降解能力;生化需氧量;微生物;水有机物;细菌学质量;;静态的;水常规(实验);质量;有机物质;好气菌
【英文主题词】:
【摘要】:
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:18P;A4
【正文语种】:其他