ISO 9703-1-1992 麻醉和呼吸护理报警信号第1部分:视觉报警信号

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【英文标准名称】:StandardTestMethodforChlorideinMono-,Di-andTri-ethyleneGlycolbyIonChromatography
【原文标准名称】:用离子色谱法测定一,二和三乙烯基乙二醇中氯化物的标准试验方法
【标准号】:ASTME2469-2008a
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:chloride;IC;ionchromatography;MEG;monoethyleneglycol;DEG;diethyleneglycol;TEG;triethyleneglycol;Chlorideanalysis;Ionchromatography(IC);Monoethyleneglycol(MEG)
【摘要】:Thistestmethodprovidesforthequantitativedeterminationofinorganicchloride(chlorideion)inmonoethyleneglycol(MEG),diethyleneglycol(DEG)andtriethyleneglycol(TEG)usingionchromatographywithconductivitydetection.Theanalysistimeislessthan5minwithlittleornosamplepreparationrequired.Conductivitydetectionisauniversaldetectionmodeandislinearovertherangeofthemethod.Acceptablelevelsofchlorideinpolyester-gradeandlow-conductivity-gradeMEGvarywiththemanufacturerx2019;sspecificationsbutarenormallyinthelowmg/kgrange.Knowledgeofthechloridecontentinpolyester-gradeandlow-conductivity-gradeMEGisrequiredtoestablishwhethertheMEGproductmeetsspecificationrequirements.Glycolshavehighviscositiesandadilutionwithhighqualitydeionizedwatermayberequireddependingonthecapabilityoftheautosampler,ifused,todelivertheinjection.Allstandardsandsamples,whetherdilutedornotshouldbetreatedinthesamemanner.1.1Thistestmethodcoversthedeterminationofinorganicchloride(chlorideion)inmonoethyleneglycol(MEG),diethyleneglycol(DEG)andtriethyleneglycol(TEG)intherangeof0.01to1.0mg/kgbyionchromatography(IC).1.2Ethyleneglycolcanbeanalyzeddirectlybythistestmethodwithoutanysamplepreparationordilutedwithhighqualitydeionizedwaterifanautosamplerisusedanddilutionisnecessary(thatis,50:50orothersuitableratio).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Theexceptionistheadditionalinformationof(psi)in9.3.3.1.4ReviewthecurrentMaterialSafetyDataSheets(MSDS)fordetailedinformationconcerningtoxicity,first-aidproceduresandsafetyprecautions.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:G16
【国际标准分类号】:71_040_40
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodforHeatingValueofGasesinNaturalGasRangebyStoichiometricCombustion
【原文标准名称】:用化学计量燃烧法在天然气系列中煤气的发热值的试验方法
【标准号】:ASTMD4891-1989
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【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】:燃烧;天然气;热值;试验
【英文主题词】:calorificvalue;combustion;testing;naturalgas
【摘要】:
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:4P;A4
【正文语种】:英语