【英文标准名称】:StandardTestMethodforAldehydesinMono-,Di-,andTriethyleneGlycol(SpectrophotometricMethod)
【原文标准名称】:单乙二醇中醛的测试方法(光谱光度测量法)
【标准号】:ASTME2313-2008
【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】:ldehyde;diethyleneglycol;MBTH;monoethyleneglycol;spectrophotometric;triethyleneglycol;Aldehydes;MBTH;Methyl-benzothiazolinonehydrazonehydrochloride(MBTH);Monoethyleneglycol(MEG);Spectrophotometry
【摘要】:KnowledgeofthealdehydecontentofMonoethyleneglycolisrequiredtoestablishwhethertheproductmeetstherequirementsofitsqualityspecifications.1.1Thistestmethoddescribesthespectrophotometricdeterminationoftotalaldehydecarbonylcontentintherangeof0.5to50mg/kg(asacetaldehyde)or0.3to35mg/kg(asformaldehyde)inmono-,di-,andtriethyleneglycol(MEG,DEGandTEG).Alkoxyalcohols(hemiacetals),ifpresent,areco-determined,whereasdialkoxyalkanes(acetals),ifpresent,arenot.Theresultsprovideameasureofthepurityofthesamplewithrespecttototalaldehydecarbonylcontent.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3ReviewthecurrentmaterialSafetyDataSheets(MSDS)fordetailedinformationconcerningtoxicity,firstaidproceduresandsafetyprecautions.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:71_040_40
【页数】:5P.;A4
【正文语种】:英语