ASTM E 1821-2008 用气相色谱法测定生物物质中碳水化合物的标准试验方法
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【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:生物物质;气相色谱法;烃类;土壤学;测试
【英文主题词】:Biomass;Gaschromatography;Hydrocarbons;Soilscience;Testing
【摘要】: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:1.3.1.1AirDriedMaterial—Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheair-driedsample.1.3.1.245°CDriedMaterial—Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthe45°Cdriedsample.1.3.1.3FreezeDriedMaterial—Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthefreezedriedsample.1.3.2Extractives-FreeSample—Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheextractedsample.1.4Thisstandardmethodisgenerallynotsuitableforsamplesthatcontainsoluble,nonstructuralcarbohydratesunlesstheyareremovedpriortoanalysis.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection8forspecifichazardsstatements.
【中国标准分类号】:
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:生物物质;气相色谱法;烃类;土壤学;测试
【英文主题词】:Biomass;Gaschromatography;Hydrocarbons;Soilscience;Testing
【摘要】: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:1.3.1.1AirDriedMaterial—Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheair-driedsample.1.3.1.245°CDriedMaterial—Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthe45°Cdriedsample.1.3.1.3FreezeDriedMaterial—Resultsarereportedasthepercentbymass,basedontheoven-driedmassofthefreezedriedsample.1.3.2Extractives-FreeSample—Resultsarereportedasthepercentbymass,basedontheoven-driedmassoftheextractedsample.1.4Thisstandardmethodisgenerallynotsuitableforsamplesthatcontainsoluble,nonstructuralcarbohydratesunlesstheyareremovedpriortoanalysis.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection8forspecifichazardsstatements.
【中国标准分类号】:
【国际标准分类号】:65_040_20
【页数】:8P;A4
【正文语种】:英语
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