【英文标准名称】:StandardTestMethodforSofteningPointofPitches(MettlerSofteningPointMethod)
【原文标准名称】:沥青软化点的标准试验方法(Mettler软化点法)
【标准号】:ASTMD3104-1999(2010)
【标准状态】:现行
【国别】:美国
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Mettler;pitch;softeningpoint;Mettlermethod;Pitchsofteningpoint;Softeningpoint--pitches
【摘要】:Pitchdoesnotgothroughasolid-liquidphasechangewhenheated,andthereforedoesnothaveatruemeltingpoint.Asthetemperatureisraisedpitchgraduallysoftensorbecomeslessviscous.Forthisreason,thedeterminationofthesofteningpointmustbemadebyanarbitrary,butcloselydefined,methodifthetestvaluesaretobereproducible.Thistestmethodisusefulindeterminingtheconsistencyofpitchesasoneelementinestablishingtheuniformityofshipmentsorsourcesofsupply.1.1Thistestmethodcoversthedeterminationofthesofteningpointofpitcheshavingsofteningpointsintherangefrom50to180x00B0;Cbythistestmethod,andgivesresultscomparabletothoseobtainedbyTestMethodD2319above176x00B0;F(80x00B0;C).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:93_080_10
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:EstablishingaMeasurementSystemQualityControlProgramforAnalyticalChemistryLaboratoriesWithintheNuclearIndustry
【原文标准名称】:制定核工业分析化学实验室用测量系统质量控制大纲
【标准号】:ASTMC1210-1991
【标准状态】:作废
【国别】:美国
【发布日期】:1991
【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】:质量保证;核技术;实验室;测量技术
【英文主题词】:nucleartechnology;measuringtechniques;laboratories;qualityassurance
【摘要】:
【中国标准分类号】:F00
【国际标准分类号】:03_120_10;17_240
【页数】:6P;A4
【正文语种】:英语