【英文标准名称】:StandardTestMethodforInterfacialTensionofOilAgainstWaterbytheRingMethod
【原文标准名称】:采用环法测定油水界面张力的标准试验方法
【标准号】:ASTMD971-1999a(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D27.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;电气工程;水;油;绝缘液体;表面张力;石油产品;电绝缘;润滑剂
【英文主题词】:nterfacialtension;surfacetension;tensiometer;transformeroil
【摘要】:Interfacialtensionmeasurementsonelectricalinsulatingoilsprovideasensitivemeansofdetectingsmallamountsofsolublepolarcontaminantsandproductsofoxidation.Ahighvaluefornewmineralinsulatingoilindicatestheabsenceofmostundesirablepolarcontaminants.Thetestisfrequentlyappliedtoservice-agedoilsasanindicationofthedegreeofdeterioration.FIG.1InterfacialTensiometerFIG.2TopViewofInterfacialTensiometer1.1Thistestmethodcoversthemeasurementoftheinterfacialtensionbetweenmineraloilandwater,undernon-equilibriumconditions.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:75_100
【页数】:3P.;A4
【正文语种】: