ASTM D6142-2008 用毛细管气相色谱对苯酚分析的标准试验方法

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【英文标准名称】:StandardTestMethodforAnalysisofPhenolbyCapillaryGasChromatography
【原文标准名称】:用毛细管气相色谱对苯酚分析的标准试验方法
【标准号】:ASTMD6142-2008
【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】:D16.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:2-methylbenzofuran;acetone;acetophenone;&x03B1;-methylstyrene;cumene;gaschromatography;hydroxyacetone;mesityloxide;m&x0026;p-cres
【摘要】:Thistestmethodissuitableforsettingspecificationsonphenolandforuseasaninternalqualitycontroltoolwherephenolisproducedorisusedinamanufacturingprocess.Itmayalsobeusedindevelopmentorresearchworkinvolvingphenol.Itisgenerallyappliedtodeterminingthosecommonlyoccurringimpuritiessuchasmesityloxide,cumene,hydroxyacetone,acetone,alpha-methylstyrene,2-methylbenzofuran,acetophenone,o-cresol,andmx0026;p-cresol.Purityiscommonlyreportedbysubtractingthedeterminedexpectedimpuritiesfrom100.00.However,agaschromatographicanalysiscannotdetermineabsolutepurityifwaterispresentorunknowncomponentsarecontainedwithinthematerialbeingexamined.1.1Thistestmethodcoversthedeterminationofknownimpuritiesinphenolbygaschromatography(GC).Itisgenerallymeantfortheanalysisofphenolof99.9%orgreaterpurity.1.2Thistestmethodhasbeenfoundapplicableoverimpurityconcentrationsof15to70mg/kg.Usersofthismethodbelieveitislinearoverawiderrange.1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:G17
【国际标准分类号】:71_040_50
【页数】:6P.;A4
【正文语种】:英语