BS ISO 6145-5-2009 气体分析.用动态容量法对校准气体混合物的制备.毛细管校准装置
时间:2024-05-29 05:24:59 来源: 标准资料网 作者：标准资料网 阅读：9750
【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixturesusingdynamicvolumetricmethods-Capillarycalibrationdevices
【原文标准名称】:气体分析.用动态容量法对校准气体混合物的制备.毛细管校准装置
【标准号】:BSISO6145-5-2009
【标准状态】:作废
【国别】:英国
【发布日期】:2009-11-30
【实施或试行日期】:2009-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:标定气体;毛细管装置;控制样品;动态的;气体分析;气体混合物;准备;生产;试验气体;容量分析
【英文主题词】:Calibrationgases;Capillarydevice;Controlsamples;Dynamic;Gasanalysis;Gasmixtures;Preparation;Production;Testgases;Volumetricanalysis
【摘要】:
【中国标准分类号】:G86
【国际标准分类号】:
【页数】:24P;A4
【正文语种】:英语
Product Code:SAE J883
Title:Test Method for Determining Dimensional Stability of Automotive Textile Materials
Issuing Committee:Textile And Flexible Plastics Committee
Scope:This test method can be used to determine the dimensional stability of textile materials and vinyl-coated fabrics when subjected to conditions which cause changes in the moisture content of the materials.【英文标准名称】:StandardPracticeforDeterminationofSolubleResidualContaminationinbySoxhletExtraction
【原文标准名称】:索格利特萃取法测定材料和部件中可溶残余物污染的标准方法
【标准号】:ASTMG120-2001(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:G04.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contaminant;contamination;extraction;nonvolatileresidue;oxygensystems;Soxhletextraction;Cleanliness;Contamination--systems(materials/applications);Coupons;Extractionmethods;Gloves;Nonvolatileresidue(NVR);Oxygen-enrichedsystems/envi
【摘要】:Itisexpectedthatthispracticewillbesuitabletoidentifyandquantifycontaminantsfoundinsystems,systemmaterials,andcomponentsusedinsystemsrequiringahighlevelofcleanliness,suchasoxygen.Softgoodssuchassealsandvalveseatscanbetestedasreceived.Glovesandwipes,orsamplesthereof,tobeusedinthecleaningoperationcanbeevaluatedpriortousetoensurethattheproposedcleaningsolventdoesnotextractcontaminantsandresiduesonthesurfacetobecleaned.Wipesorothercleaningequipmentcanbetestedafterusetodeterminetheamountofcontaminantremovedfromasurface.ThisprocedurecanbeusedtoobtainsamplesforNVRanalysisusingcontaminatedcontrolcouponsthatweresubjectedtothecleaningprocessascontrolstovalidatecleaningoperations.Theselectionofthesolventrequiressomeknowledgeofthecontaminant(seePracticeG93forrecommendations).Ifanonvolatileresidue(NVR)analysisistobeperformedonthemolecularcontaminant,theboilingpointofthesolventshallbesignificantlylowerthanthatofthecontaminant.Forotheranalyticalmethods,thetestermustknowtheaccuracyoftheanalyticalmethods,andthesolventshallbechosensoasnottointerferewiththeselectedanalyticalmethod.ToidentifythecompositionoftheNVR,analyticalmethodssuchasinfraredspectroscopyorgaschromatography/massspectroscopyhavebeenusedsatisfactorily.1.1Thispracticedescribesaprocedureforthedeterminationofresidualcontaminationinsystemsandcomponentsrequiringahighlevelofcleanliness,suchasoxygen,bySoxhletextraction.1.2Thispracticemaybeusedforextractingnonvolatileandsemivolatileresiduesfromsolidssuchasnewandusedgloves,newandusedwipes,contaminatedtestspecimensorcontrolcoupons,smallpiecesofhardware,componentsoftgoods,etc.Whenusedwithproposedcleaningmaterials(wipes,gloves,etc.),fromthecleaningmaterialsthispracticemaybeusedtodeterminethepotentialoftheproposedsolventtoextractcontaminants(plasticizers,residualdetergents,brighteners,etc.)anddepositthemonthesurfacebeingcleaned.1.3Thispracticeisnotsuitablefortheevaluationofparticulatecontamination.1.4ThevaluesstatedinSIunitsarestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_040_40
【页数】:4P.;A4
【正文语种】:英语