ASTM D4307-1999(2004) 作为分析标准的液体掺混物制备的标准操作规程

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【英文标准名称】:StandardPracticeforPreparationofLiquidBlendsforUseasAnalyticalStandards
【原文标准名称】:作为分析标准的液体掺混物制备的标准操作规程
【标准号】:ASTMD4307-1999(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】:D02.04.0A
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:液体;分析;石油产品;工艺;润滑剂;混合物;准备
【英文主题词】:analyticalstandards;liquidblends
【摘要】:Thelaboratorypreparationofliquidblendsofknowncompositionisrequiredtoprovideanalyticalstandardsforthecalibrationofchromatographicandothertypesofanalyticalinstrumentation.1.1Thispracticecoversalaboratoryprocedureforthepreparationofsmallvolumesofmulticomponentliquidblendsforuseasanalyticalstandards.1.2Thispracticeisapplicabletocomponentsthatarenormallyliquidsatambienttemperatureandpressure,orsolidsthatwillformasolutionwhenblendedwithliquids.Butanescanbeincludedifprecautionisusedinblendingthem.1.3Thispracticeislimitedtothosecomponentsthatfulfillthefollowingconditions:1.3.1Theyarecompletelysolubleinthefinalblend.1.3.2Theyarenotreactivewithotherblendcomponentsorwithblendcontainers.1.3.3Thecombinedvaporpressureoftheblendedcomponentsissuchthatthereisnoselectiveevaporationofanyofthecomponents.Thebutanecontentoftheblendisnottoexceed10%.(Warning:Extremelyflammableliquefiedgasunderpressure.Vaporreducesoxygenavailableforbreathing.)Componentswithavaporpressurehigherthanbutanesarenottobeblended.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G60
【国际标准分类号】:71_040_40
【页数】:3P.;A4
【正文语种】: