ASTM E1821-2008 用气相色谱法测定生物物质中的碳水化合物的标准试验方法
作者:标准资料网 时间:2024-05-10 06:06:52 浏览:8807
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminationofCarbohydratesinBiomassbyGasChromatography
【原文标准名称】:用气相色谱法测定生物物质中的碳水化合物的标准试验方法
【标准号】:ASTME1821-2008
【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】:E48.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:agriculturalresidue;biomass;carbohydrates;fermentationresidue;herbaceous;monosaccharide;wastepaper;wood;Agriculturalresidue;Biomass;Carbohydratedistribution;Fermentationcycles;Gaschromatography(GC);Herbaceousmaterials;Monosac
【摘要】:Thestructuralcarbohydratecontentisusedinconjunctionwithotherassaystodeterminethetotalcompositionofbiomasssamples.1.1Thistestmethoddescribesthedeterminationofstructuralcarbohydratespresentinabiomasssample,expressedasthepercentmassofanoven-driedsamplebasisofeachanhydrosugar.1.2Samplematerialssuitableforthisprocedureincludehardandsoftwoods,herbaceousmaterials,suchassericeaandswitchgrass,agriculturalresidues,suchascornstover,wheatstraw,andbagasse,wastepaper,suchasboxboard,officewaste,andnewsprint,acidoralkaline-pretreatedbiomass,washedfreeofanyresidualacidoralkali,andthesolidfractionoffermentationresidues.1.3Theoptionsforthetypesofsamplestobeanalyzedinthisprocedureare:1.3.1PreparedBiomassSamples:1.3.1.1AirDriedMaterial8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheair-driedsample.1.3.1.245x00B0;CDriedMaterial8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthe45x00B0;Cdriedsample.1.3.1.3FreezeDriedMaterial8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthefreezedriedsample.1.3.2Extractives-FreeSample8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheextractedsample.1.4Thisstandardmethodisgenerallynotsuitableforsamplesthatcontainsoluble,nonstructuralcarbohydratesunlesstheyareremovedpriortoanalysis.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection8forspecifichazardsstatements.
【中国标准分类号】:B04
【国际标准分类号】:65_040_20
【页数】:8P.;A4
【正文语种】:英语
【原文标准名称】:用气相色谱法测定生物物质中的碳水化合物的标准试验方法
【标准号】:ASTME1821-2008
【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】:E48.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:agriculturalresidue;biomass;carbohydrates;fermentationresidue;herbaceous;monosaccharide;wastepaper;wood;Agriculturalresidue;Biomass;Carbohydratedistribution;Fermentationcycles;Gaschromatography(GC);Herbaceousmaterials;Monosac
【摘要】:Thestructuralcarbohydratecontentisusedinconjunctionwithotherassaystodeterminethetotalcompositionofbiomasssamples.1.1Thistestmethoddescribesthedeterminationofstructuralcarbohydratespresentinabiomasssample,expressedasthepercentmassofanoven-driedsamplebasisofeachanhydrosugar.1.2Samplematerialssuitableforthisprocedureincludehardandsoftwoods,herbaceousmaterials,suchassericeaandswitchgrass,agriculturalresidues,suchascornstover,wheatstraw,andbagasse,wastepaper,suchasboxboard,officewaste,andnewsprint,acidoralkaline-pretreatedbiomass,washedfreeofanyresidualacidoralkali,andthesolidfractionoffermentationresidues.1.3Theoptionsforthetypesofsamplestobeanalyzedinthisprocedureare:1.3.1PreparedBiomassSamples:1.3.1.1AirDriedMaterial8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheair-driedsample.1.3.1.245x00B0;CDriedMaterial8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthe45x00B0;Cdriedsample.1.3.1.3FreezeDriedMaterial8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthefreezedriedsample.1.3.2Extractives-FreeSample8212;Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheextractedsample.1.4Thisstandardmethodisgenerallynotsuitableforsamplesthatcontainsoluble,nonstructuralcarbohydratesunlesstheyareremovedpriortoanalysis.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection8forspecifichazardsstatements.
【中国标准分类号】:B04
【国际标准分类号】:65_040_20
【页数】:8P.;A4
【正文语种】:英语
下载地址: 点击此处下载
