ASTM D1109-1984(2007) 木材在1%的烧碱中可溶性的标准试验方法
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【英文标准名称】:StandardTestMethodfor1%SodiumHydroxideSolubilityofWood
【原文标准名称】:木材在1%的烧碱中可溶性的标准试验方法
【标准号】:ASTMD1109-1984(2007)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:D07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;试验;木材
【英文主题词】:decay;fungaldecay;sodiumhydroxide;solubility
【摘要】:Hotalkaliextractslowmolecularweightcarbohydratesconsistingmainlyofhemicelluloseanddegradedcelluloseinwood.Thissolubilityofwoodisanindicationofthedegreeoffungaldecay,ordegradationbyheat,light,oxidation,andsoforth.Themoredecayordegradation,thehigherthesolubility.1.1Thistestmethodcoversthedeterminationofthesolubilityofwoodinahotdilutealkalisolution.A1%solutionofsodiumhydroxide(NaOH)isused.Oneapplicationisindeterminingthedegreeoffungusdecaythathastakenplaceinagivenwoodsample.Asthewooddecays,thepercentageofalkali-solublematerialincreasesinproportiontothedecreaseinpulpyieldcausedbythedecay.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B68
【国际标准分类号】:79_040
【页数】:2P.;A4
【正文语种】:
【原文标准名称】:木材在1%的烧碱中可溶性的标准试验方法
【标准号】:ASTMD1109-1984(2007)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:D07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;试验;木材
【英文主题词】:decay;fungaldecay;sodiumhydroxide;solubility
【摘要】:Hotalkaliextractslowmolecularweightcarbohydratesconsistingmainlyofhemicelluloseanddegradedcelluloseinwood.Thissolubilityofwoodisanindicationofthedegreeoffungaldecay,ordegradationbyheat,light,oxidation,andsoforth.Themoredecayordegradation,thehigherthesolubility.1.1Thistestmethodcoversthedeterminationofthesolubilityofwoodinahotdilutealkalisolution.A1%solutionofsodiumhydroxide(NaOH)isused.Oneapplicationisindeterminingthedegreeoffungusdecaythathastakenplaceinagivenwoodsample.Asthewooddecays,thepercentageofalkali-solublematerialincreasesinproportiontothedecreaseinpulpyieldcausedbythedecay.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B68
【国际标准分类号】:79_040
【页数】:2P.;A4
【正文语种】:
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