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【英文标准名称】:StandardTestMethodforApproximateAcidityinElectricalInsulatingLiquidsbyColor-IndicatorTitration
【原文标准名称】:用比色指示剂滴定法测定电绝缘液近似酸度的标准试验方法
【标准号】:ASTMD1534-1995(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D27.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidity;colortitration;insulatingliquid;neutralizationnumber;Acidity,alkalinity,pH;Approximateanalysis;Color-indicatortitration;Electricalinsulatingliquids;Totalacid/baseevaluation
【摘要】:Theapproximateacidityofusedelectricalinsulatingoilsisanestimateofthetotalacidvalueoftheoil.Asacidvaluesincrease,oilqualitydecreases.Thisisusuallyduetooxidationoftheoilwhileinservice.Ingeneral,acidicby-productsproduceincreaseddielectricloss,increasedcorrosivity,andmaycausethermaldifficultiesattributabletoinsolublecomponentscalledx201C;sludge.x201D;Thistestmethodisadaptedtoaspecificvolumeofoil;totalacidvaluesof0.05to0.5mgofpotassiumhydroxidepergramofoilisarangewhichisfunctionallysignificant.1.1Thistestmethoddescribesthedeterminationoftheapproximatetotalacidvalueofusedelectricalinsulatingliquidshavingviscositieslessthan24cStat40x00B0;C.Itisasimpleprocedurethatcanbeappliedinthefield.Whereaquantitativeneutralizationvalueisrequired,useTestMethodD664orTestMethodD974.Thesetestmethodsshouldbeappliedinthelaboratory.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K15
【国际标准分类号】:29_040_10
【页数】:2P.;A4
【正文语种】:英语