ASTM D4590-2009 用分光光度法测定苯乙烯单体中对一叔丁基邻苯二酚的比色标准试验方法
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【英文标准名称】:StandardTestMethodforColorimetricDeterminationofp-tert-ButylcatecholInStyreneMonomerorAMS(alpha-Methylstyrene)bySpectrophotometry
【原文标准名称】:用分光光度法测定苯乙烯单体中对一叔丁基邻苯二酚的比色标准试验方法
【标准号】:ASTMD4590-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D16.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:alpha-methylstyrene;AMS;para-tertiarybutylcatechol;PTBC;styrene,inhibitorcontent;styrene,TBCcontent;TBCinstyrene;Spectrophotometry--atomicabsorption(paints/relatedcoatings);AMS(&alph;-Methylstyrene);Butylcatecholinhibitorcontent;In
【摘要】:ThistestmethodissuitablefordeterminingthequantityofTBCinhibitor,bothfortheprotectionagainstpolymerizationwhileintransitandstorage,andforinternalqualitycontrol.1.1Thistestmethodisapplicabletothedeterminationofresidual4-tertiary-butylcatechol(TBC)instyrenemonomerorAMSinthe1to100ppm(mg/kg)range.Anyothercompoundproducingcolorat490nmwhencontactedwithaqueoussodiumhydroxidesolutionwillinterfere.Itmaybecompensatedforbyincludingitinthepreparationofthestandardsolutions,ifitsidentityandconcentrationinthesampleareknown.1.2Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificstatementsonhazards,seeSection8.
【中国标准分类号】:G16
【国际标准分类号】:17_180_20
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:用分光光度法测定苯乙烯单体中对一叔丁基邻苯二酚的比色标准试验方法
【标准号】:ASTMD4590-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D16.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:alpha-methylstyrene;AMS;para-tertiarybutylcatechol;PTBC;styrene,inhibitorcontent;styrene,TBCcontent;TBCinstyrene;Spectrophotometry--atomicabsorption(paints/relatedcoatings);AMS(&alph;-Methylstyrene);Butylcatecholinhibitorcontent;In
【摘要】:ThistestmethodissuitablefordeterminingthequantityofTBCinhibitor,bothfortheprotectionagainstpolymerizationwhileintransitandstorage,andforinternalqualitycontrol.1.1Thistestmethodisapplicabletothedeterminationofresidual4-tertiary-butylcatechol(TBC)instyrenemonomerorAMSinthe1to100ppm(mg/kg)range.Anyothercompoundproducingcolorat490nmwhencontactedwithaqueoussodiumhydroxidesolutionwillinterfere.Itmaybecompensatedforbyincludingitinthepreparationofthestandardsolutions,ifitsidentityandconcentrationinthesampleareknown.1.2Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificstatementsonhazards,seeSection8.
【中国标准分类号】:G16
【国际标准分类号】:17_180_20
【页数】:3P.;A4
【正文语种】:英语
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