ASTM D5984-1997(2007) 利用显色指示剂滴定法测试新的和已用过的润滑剂碱值的半定量现场试验法的标准试验方法
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【英文标准名称】:StandardTestMethodforSemi-QuantitativeFieldTestMethodforBaseNumberinNewandUsedLubricantsbyColor-IndicatorTitration
【原文标准名称】:利用显色指示剂滴定法测试新的和已用过的润滑剂碱值的半定量现场试验法的标准试验方法
【标准号】:ASTMD5984-1997(2007)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:basenumber;color-indicatortitration;lubricants;testkit
【摘要】:Newandusedpetroleumproductscancontainbasicconstituentsthatarepresentasadditivesorasdegradationproductsformedduringservice.Theamountoftheseadditivesinanoilcanbedeterminedbytitratingagainstanacid.Thebasenumberisameasureoftheamountofbasicsubstanceintheoil,alwaysundertheconditionsofthetest.Adecreaseinbasenumberisoftenusedasameasureoflubricantdegradation,butanycondemninglimitsmustbeempiricallyestablished.Thistestmethodusesreagentsthatareconsideredlesshazardousthanmostreagentsusedinalternatebasenumbermethods.Itusespre-packagedreagentstofacilitatebasenumberdeterminationsinthefieldwherescientificequipmentisunavailableandquickresultsareatapremium.Note18212;Resultsobtainedbythistestmethod3aresimilartothoseobtainedbyTestMethodD2896.1.1Thistestmethodcoversaprocedurefordeterminingthebasicconstituentsinpetroleumproductsinthefieldorlaboratoryusingapre-packagedtestkit.Thetestusesamicro-titrationresultinginavisualendpointfacilitatedbyacolorindicator.1.1.1Thistestmethodcoversbasenumbersfrom0to20.Itcanbeextendedtohigherrangesbydilutingthesampleorbyusingasmallersamplesize;however,theprecisiondatawereobtainedforbasenumbersupto20.1.2Thistestmethodcanbeusedtoindicaterelativechangesthatoccurinanoilduringuseunderoxidizingconditions.Althoughthetestisperformedundercloselyspecifiedconditionswithstandardizedreagents,thetestmethoddoesnotmeasureanabsolutebasicpropertythatcanbeusedtopredictperformanceofanoilunderserviceconditions.Nogeneralrelationshipbetweenbearingcorrosionandbasenumberisknown.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:71_040_40
【页数】:3P.;A4
【正文语种】:
【原文标准名称】:利用显色指示剂滴定法测试新的和已用过的润滑剂碱值的半定量现场试验法的标准试验方法
【标准号】:ASTMD5984-1997(2007)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:basenumber;color-indicatortitration;lubricants;testkit
【摘要】:Newandusedpetroleumproductscancontainbasicconstituentsthatarepresentasadditivesorasdegradationproductsformedduringservice.Theamountoftheseadditivesinanoilcanbedeterminedbytitratingagainstanacid.Thebasenumberisameasureoftheamountofbasicsubstanceintheoil,alwaysundertheconditionsofthetest.Adecreaseinbasenumberisoftenusedasameasureoflubricantdegradation,butanycondemninglimitsmustbeempiricallyestablished.Thistestmethodusesreagentsthatareconsideredlesshazardousthanmostreagentsusedinalternatebasenumbermethods.Itusespre-packagedreagentstofacilitatebasenumberdeterminationsinthefieldwherescientificequipmentisunavailableandquickresultsareatapremium.Note18212;Resultsobtainedbythistestmethod3aresimilartothoseobtainedbyTestMethodD2896.1.1Thistestmethodcoversaprocedurefordeterminingthebasicconstituentsinpetroleumproductsinthefieldorlaboratoryusingapre-packagedtestkit.Thetestusesamicro-titrationresultinginavisualendpointfacilitatedbyacolorindicator.1.1.1Thistestmethodcoversbasenumbersfrom0to20.Itcanbeextendedtohigherrangesbydilutingthesampleorbyusingasmallersamplesize;however,theprecisiondatawereobtainedforbasenumbersupto20.1.2Thistestmethodcanbeusedtoindicaterelativechangesthatoccurinanoilduringuseunderoxidizingconditions.Althoughthetestisperformedundercloselyspecifiedconditionswithstandardizedreagents,thetestmethoddoesnotmeasureanabsolutebasicpropertythatcanbeusedtopredictperformanceofanoilunderserviceconditions.Nogeneralrelationshipbetweenbearingcorrosionandbasenumberisknown.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:71_040_40
【页数】:3P.;A4
【正文语种】:
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