【英文标准名称】:PreparationofLow-PressureGasBlends,Methodfor(05.02)
【原文标准名称】:低压气体混合物制备方法(05.02)
【标准号】:ANSI/ASTMD4051-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:1999-05-27
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:煤气;石油产品;制备;气体
【英文主题词】:Gases;Mixtures;Petroleumproducts;Preparation;Pressure;Processes
【摘要】:hispracticecoversalaboratoryprocedureforthepreparationoflow-pressuremulticomponentgasblends.Thetechniqueisapplicabletotheblendingofcomponentsatpercentlevelsandcanbeextendedtolowerconcentrationsbyperformingdilutionsofapreviouslypreparedbaseblend.Themaximumblendpressureobtainableisdependentupontherangeofthemanometerused,butordinarilyisabout101kPa(760mmHg).Componentsmustnotbecondensableatthemaximumblendpressure.Thepossiblepresenceofsmallleaksinthemanifoldblendingsystemwillprecludeapplicabilityofthemethodtoblendscontainingpartpermillionconcentrationsofoxygenornitrogen.Thispracticeisrestrictedtothosecompoundsthatdonotreactwitheachother,themanifold,ortheblendcylinder.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_100_20
【页数】:
【正文语种】:英语