ASTM F 414-2000 当轮胎因缓慢移动的插棒而变形时轮胎吸收能量的标准试验方法
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【英文标准名称】:StandardTestMethodforEnergyAbsorbedbyaTireWhenDeformedbyaSlow-MovingPlunger
【原文标准名称】:当轮胎因缓慢移动的插棒而变形时轮胎吸收能量的标准试验方法
【标准号】:ASTMF414-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;轮胎
【英文主题词】:Deformation;Energyconsumption;Flasks;Testing;Tyres
【摘要】:
【中国标准分类号】:G41
【国际标准分类号】:83_160_10
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Petroleumproducts-Determinationofacidnumber-Semi-microcolour-indicatortitrationmethod
【原文标准名称】:石油产品总酸值的测定半微量颜色指示剂滴定法
【标准号】:ISO7537-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-07
【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/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;测定;石油产品;酸值;含量测定;滴定法;容量分析;化学分析和试验
【英文主题词】:Acidnumber;Chemicalanalysisandtesting;Colourindicatortitration;Definitions;Determination;Determinationofcontent;Petroleumproducts;Titrationmethod;Volumetricanalysis
【摘要】:ThisInternationalStandardspecifiesasemi-microcolour-indicatormethodforthedeterminationofacidicconstituentsinneworusedpetroleumproductsandlubricantssolubleinmixturesoftolueneandpropan-2-ol,orcapableofexistingassuspensionsinsuchmixtures,andwherethesuspendedmaterialissufficientlydissociatedthatitsacidiccomponentscanbetitrated.ThemethodisespeciallyintendedforapplicationsinwhichtheamountofsampleavailabletobeanalysedistoosmalltoallowaccurateanalysisbyISO6619orISO6618.Itisapplicabletothedeterminationofacidshavingdissociationconstantsinwaterlargerthan10.Extremelyweakacidshavingdissociationconstantssmallerthan10donotinterfere.Saltstitrateiftheirhydrolysisconstantsarelargerthan10.NOTE1Thismethodmaybeusedtoindicaterelativechangesinacidnumberthatoccurinanoilduringuseunderoxidizingconditions.Althoughthetitrationismadeunderdefiniteequilibriumconditions,themethoddoesnotmeasureanabsoluteacidicpropertythatcanbeusedtopredictperformanceofanoilunderserviceconditions.Nogeneralrelationshipbetweenbearingcorrosionandacidnumberisknown.NOTE2SincethistestmethodrequiressubstantiallylesssamplethanISO6618orISO6619,itprovidesanadvantageousmeansofmonitoringanoxidationtestbychangesinacidnumberby:a)minimizingtestsampledepletionforacidnumberanalysesandthusminimizingthedisturbanceofthetest,andb)allowingadditionalacidnumberanalysestobemadewhilemaintainingthesametestsampledepletion,andthusprovidingadditionaldata.NOTE3Someoils,suchasmanycuttingoils,rustproofingoils,andsimilarcompoundedoils,orexcessivelydark-colouredoils,maybemoredifficulttoanalysebythismethodduetoobscurityofthecolour-indicatorend-point.TheseoilscanbeanalyzedbyISO6619providedsufficientsampleisavailable.However,thissituationismuchlesslikelyusingthisInternationalStandardthanusingISO6618,sincethesampleismorediluteduringthetitrationandtheend-pointcolourchangeismorestable.TheacidnumbersobtainedbythismethodmayormaynotbenumericallythesameasthoseobtainedbyISO6619,buttheyshouldbeofthesameorderofmagnitude.NOTE4TheresultsobtainedusingthismethodhavebeenfoundtobenumericallythesameasthoseobtainedusingISO6618,withintheprecisionofthetwomethods,forneworoxidizedlubricantsofthetypeprimarilyintendedforhydraulicorsteamturbinetypeservice.TheoxidizedlubricantswereobtainedusingISO4263.Thiscorrelationisshownbythecorrelationcoefficientr=0,989withslopes=1,017andintercepty=+0,029,calculatedusingtheacidnumbersobtainedusingbothtitrationmethodsforthesamplesusedfortheprecisionstatement(seeclause11).
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:9P;A4
【正文语种】:英语
【英文标准名称】:Animalandvegetablefatsandoils-Determinationofleadcontent-Graphitefurnaceatomicabsorptionmethod
【原文标准名称】:动植物油和脂肪.铅含量的测定.石墨炉原子吸收法
【标准号】:BSENISO12193-2000
【标准状态】:作废
【国别】:英国
【发布日期】:1995-03-15
【实施或试行日期】:1995-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:脂肪;食品检验;农产品;植物脂肪;动物油;动物脂肪;铅;化学分析和试验;食品;油;分光光度法;铅含量;原子吸收光谱测定法;植物油;原子吸收分光光度测定法;含量测定;原子吸收;光谱化学分析
【英文主题词】:
【摘要】:
【中国标准分类号】:X14
【国际标准分类号】:67_200_10
【页数】:12P.;A4
【正文语种】:英语
