ASTM D5974-2000(2005) 用毛细管气相色谱法测定妥尔油分级分离产品中脂肪和树脂酸的标准试验方法
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【英文标准名称】:StandardTestMethodsforFattyandRosinAcidsinTallOilFractionationProductsbyCapillaryGasChromatography
【原文标准名称】:用毛细管气相色谱法测定妥尔油分级分离产品中脂肪和树脂酸的标准试验方法
【标准号】:ASTMD5974-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D01.34
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:areapercent;derivatization;fattyacids;gaschromatography;internalstandard;rosinacids
【摘要】:1.1Thesetestmethodscoverthedeterminationoftheamountsoftheindividualfattyacidsandrosinacidsinfractionatedtalloilproducts,usingcapillarygaschromatographicseparationofthevolatilemethylestersoftheseacids.1.2Fourmethodsforformingthemethylesters,andtwomethodsfordeterminingtheamountsoftheindividualfattyacidsandrosinacidsaredescribed.1.2.1Theclassicmethodfortheformationofmethylestersisthroughtheuseofdiazomethane,butdiazomethaneisahazardousandtoxicmaterial,andsoisnolongerthepreferredreagent.TheuseofdiazomethaneisdetailedintheAppendix.Methylestersmaybeformedthroughtheuseoftetramethylammoniumhydroxide(TMAH),trimethylphenylammoniumhydroxide(TMPAH),orN,N-dimethylformamidedimethylacetal(DMF-DMA).1.2.2Thetwomethodsfordeterminingtheamountoftheindividualfattyacidsandrosinacidsarethe"internalstandard"method,whichyieldsabsolutevalues,andthe"areapercent"method,whichyieldsrelativevalues.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G16
【国际标准分类号】:67_080_10;67_200_10
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:用毛细管气相色谱法测定妥尔油分级分离产品中脂肪和树脂酸的标准试验方法
【标准号】:ASTMD5974-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D01.34
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:areapercent;derivatization;fattyacids;gaschromatography;internalstandard;rosinacids
【摘要】:1.1Thesetestmethodscoverthedeterminationoftheamountsoftheindividualfattyacidsandrosinacidsinfractionatedtalloilproducts,usingcapillarygaschromatographicseparationofthevolatilemethylestersoftheseacids.1.2Fourmethodsforformingthemethylesters,andtwomethodsfordeterminingtheamountsoftheindividualfattyacidsandrosinacidsaredescribed.1.2.1Theclassicmethodfortheformationofmethylestersisthroughtheuseofdiazomethane,butdiazomethaneisahazardousandtoxicmaterial,andsoisnolongerthepreferredreagent.TheuseofdiazomethaneisdetailedintheAppendix.Methylestersmaybeformedthroughtheuseoftetramethylammoniumhydroxide(TMAH),trimethylphenylammoniumhydroxide(TMPAH),orN,N-dimethylformamidedimethylacetal(DMF-DMA).1.2.2Thetwomethodsfordeterminingtheamountoftheindividualfattyacidsandrosinacidsarethe"internalstandard"method,whichyieldsabsolutevalues,andthe"areapercent"method,whichyieldsrelativevalues.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G16
【国际标准分类号】:67_080_10;67_200_10
【页数】:6P.;A4
【正文语种】:
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