ASTM D6658-2001(2006) 通过烘炉干燥测定湿铬鞣革的挥发性物质(湿度)的标准试验方法
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【英文标准名称】:StandardTestMethodforVolatileMatter(Moisture)ofWetBluebyOvenDrying
【原文标准名称】:通过烘炉干燥测定湿铬鞣革的挥发性物质(湿度)的标准试验方法
【标准号】:ASTMD6658-2001(2006)
【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(ASTM)
【起草单位】:D31.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bluestock;moisture;volatilematter;wetblue
【摘要】:Theresultobtainedbythistestisnormallyconsideredtobethemoisturecontentofthewetbluesample.Thisresultisusedtocorrectallotherchemicalteststoamoisture-freebasis.Materialsthatarevolatileundertheseconditions,otherthanwater,maybepresentinthewetblue,althoughtheiramountinanynormalwetbluewouldbeexpectedtobeaverysmallpercentageofthetotalvolatilematter.Undertheconditionsofthistest,certainmaterialsinwetblue,suchasproteinfiberandchromiumtanningsalts,mayretainmoisture.Othermaterials,suchasnaturalanimalfats,maybeoxidized.Bothoftheseeffectsproducenegativeerrorsinthemoisturedetermination.Theamountofvolatilematter(moisture)releasedbyagivensamplevarieswith(a)methodandtimeofsamplepreparation,(b)weightofsampletaken,(c)temperatureandtimeoftheovendrying,(d)typeofoven(gravityversusmechanicalconvection)used.Becauseoftheaboveunknownerrors,theresultofthistestisapurelyarbitraryvalueforthemoisturecontentofthesample.Itis,therefore,essentialthatthemethodbefollowedexactlyinordertoobtainreproducibleresultsamonglaboratories.Thisisparticularlytrueifotherchemicalanalyticaltestsbeingperformedonthesamesamplearereportedonthemoisture-freebasis.1.1Thistestmethodcoversthedeterminationofvolatilematter(moisture)inalltypesofwetblue.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_10;59_140_10
【页数】:2P.;A4
【正文语种】:
【原文标准名称】:通过烘炉干燥测定湿铬鞣革的挥发性物质(湿度)的标准试验方法
【标准号】:ASTMD6658-2001(2006)
【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(ASTM)
【起草单位】:D31.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bluestock;moisture;volatilematter;wetblue
【摘要】:Theresultobtainedbythistestisnormallyconsideredtobethemoisturecontentofthewetbluesample.Thisresultisusedtocorrectallotherchemicalteststoamoisture-freebasis.Materialsthatarevolatileundertheseconditions,otherthanwater,maybepresentinthewetblue,althoughtheiramountinanynormalwetbluewouldbeexpectedtobeaverysmallpercentageofthetotalvolatilematter.Undertheconditionsofthistest,certainmaterialsinwetblue,suchasproteinfiberandchromiumtanningsalts,mayretainmoisture.Othermaterials,suchasnaturalanimalfats,maybeoxidized.Bothoftheseeffectsproducenegativeerrorsinthemoisturedetermination.Theamountofvolatilematter(moisture)releasedbyagivensamplevarieswith(a)methodandtimeofsamplepreparation,(b)weightofsampletaken,(c)temperatureandtimeoftheovendrying,(d)typeofoven(gravityversusmechanicalconvection)used.Becauseoftheaboveunknownerrors,theresultofthistestisapurelyarbitraryvalueforthemoisturecontentofthesample.Itis,therefore,essentialthatthemethodbefollowedexactlyinordertoobtainreproducibleresultsamonglaboratories.Thisisparticularlytrueifotherchemicalanalyticaltestsbeingperformedonthesamesamplearereportedonthemoisture-freebasis.1.1Thistestmethodcoversthedeterminationofvolatilematter(moisture)inalltypesofwetblue.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_10;59_140_10
【页数】:2P.;A4
【正文语种】:
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