ASTM C729-2005 用浮沉比较仪测定玻璃密度的试验方法

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【英文标准名称】:StandardTestMethodforDensityofGlassbytheSink-FloatComparator
【原文标准名称】:用浮沉比较仪测定玻璃密度的试验方法
【标准号】:ASTMC729-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:C14.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密度;玻璃;浮沉比较过程;试验
【英文主题词】:density;glass;sink-float
【摘要】:Thesink-floatcomparatormethodoftestforglassdensityprovidesthemostaccurate(yetconvenientforpracticalapplications)methodofevaluatingthedensityofsmallpiecesorspecimensofglass.Thedataobtainedareusefulfordailyqualitycontrolofproduction,acceptanceorrejectionunderspecifications,andforspecialpurposesinresearchanddevelopment.Althoughthistestscopeislimitedtoadensityrangefrom1.1to3.3g/cm3,itmaybeextended(inprinciple)tohigherdensitiesbytheuseofothermiscibleliquids(TestMethodF77)suchaswaterandthalliummalonate-formate(approximately5.0g/cm3).Thestabilityoftheliquidandtheprecisionofthetestmaybereducedsomewhat,however,athigherdensities.1.1Thistestmethodcoversthedeterminationofthedensityofglassornonporoussolidsofdensityfrom1.1to3.3g/cm.Itcanbeusedtodeterminetheapparentdensityofceramicsorsolids,preferablyofknownporosity.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_10
【页数】:6P.;A4
【正文语种】: