ASTM E1721-2001 生物物质中不溶酸残留物测定用标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofAcid-InsolubleResidueinBiomass
【原文标准名称】:生物物质中不溶酸残留物测定用标准试验方法
【标准号】:ASTME1721-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:acid-insolublelignin;agriculturalresidue;biomass;fermentationresidue;herbaceous;lignin;wastepaper;wood
【摘要】:Theacid-insolubleresiduecontentisusedinconjunctionwithotherassaystodeterminethetotalcompositionofbiomasssamples.1.1Thistestmethodcoversdeterminationoftheacid-insolubleresidueofhardandsoftwoods,herbaceousmaterials(suchasswitchgrassandsericea),agriculturalresidues(suchascornstover,wheatstraw,andbagasse),wastepaper(suchasofficewaste,boxboard,andnewsprint),acidandalkalinepretreatedbiomass,andthesolidfractionoffermentationresidues.Allresultsarereportedrelativetothe105Coven-driedweightofthesample.1.2Theresiduecollectedcontainstheacid-insolubleligninandanycondensedproteinsfromtheoriginalsample.Anindependentnitrogenanalysiswouldberequiredtodeterminetheacid-insolublelignincontentseparatefromthecondensedproteinfractionandisoutsidethescopeofthistestmethod.1.3Aportionofthelignininsomebiomasssampleswillremainsolubleduringthisprocedure.Thetotallignininabiomasssampleincludesbothacid-solubleligninandligninintheacidinsolubleresidue.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8andNote2andNote4.
【中国标准分类号】:B04
【国际标准分类号】:65_040_20
【页数】:3P.;A4
【正文语种】: