ASTM D1720-2003 硝酸纤维素溶液中活性溶剂稀释比的标准试验方法
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【英文标准名称】:StandardTestMethodforDilutionRatioofActiveSolventsinCelluloseNitrateSolutions
【原文标准名称】:硝酸纤维素溶液中活性溶剂稀释比的标准试验方法
【标准号】:ASTMD1720-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D01.35
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:溶剂;纤维素;芳烃;稀释;涂料;芳族化合物;试验
【英文主题词】:activesolvents;cellulosenitratesolutions;dilutionratio;hydrocarbondiluent;
【摘要】:Byuseofstandardorreferencegradematerialsforanytwoofthethreecomponents,namely,oxygenatedsolvent,diluent,orcellulosenitrate,theeffectofdifferentbatchesordifferenttypesofthethirdcomponentcanbedetermined.Thistestmethodisapplicableforthedeterminationofthefollowing:4.2.1Thedilutionratiooftolueneasthestandarddiluenttoanoxygenatedsolventundertest,usingasthesolutestandardcellulosenitrateasdefinedin5.2.4.2.2Thedilutionratioofahydrocarbondiluentundertestton-butylacetateasthestandardsolvent,usingasasolutestandardcellulosenitrateasdefinedin5.2.4.2.3Thedilutionratiooftoluene,asthestandarddiluent,ton-butylacetateasthestandardsolvent,usingasthesolutecellulosenitrateofvaryingsolubilitycharacteristics.Theinformationdevelopedthroughthistestmaybeusefulintheformulationofcellulose-basedlacquersandadhesives.1.1Thistestmethodcoversthedeterminationofthevolumeratioofhydrocarbondiluenttoactivesolventrequiredtocausepersistentheterogeneity(precipitation)inasolutionofcellulosenitrate.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thefollowingappliestoallspecifiedlimitsinthisstandard;forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff"tothenearestunit"inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection6.1.5Forhazardinformationandguidance,seethesupplier'sMaterialSafetyDataSheet.
【中国标准分类号】:G17
【国际标准分类号】:87_060_30
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:硝酸纤维素溶液中活性溶剂稀释比的标准试验方法
【标准号】:ASTMD1720-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D01.35
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:溶剂;纤维素;芳烃;稀释;涂料;芳族化合物;试验
【英文主题词】:activesolvents;cellulosenitratesolutions;dilutionratio;hydrocarbondiluent;
【摘要】:Byuseofstandardorreferencegradematerialsforanytwoofthethreecomponents,namely,oxygenatedsolvent,diluent,orcellulosenitrate,theeffectofdifferentbatchesordifferenttypesofthethirdcomponentcanbedetermined.Thistestmethodisapplicableforthedeterminationofthefollowing:4.2.1Thedilutionratiooftolueneasthestandarddiluenttoanoxygenatedsolventundertest,usingasthesolutestandardcellulosenitrateasdefinedin5.2.4.2.2Thedilutionratioofahydrocarbondiluentundertestton-butylacetateasthestandardsolvent,usingasasolutestandardcellulosenitrateasdefinedin5.2.4.2.3Thedilutionratiooftoluene,asthestandarddiluent,ton-butylacetateasthestandardsolvent,usingasthesolutecellulosenitrateofvaryingsolubilitycharacteristics.Theinformationdevelopedthroughthistestmaybeusefulintheformulationofcellulose-basedlacquersandadhesives.1.1Thistestmethodcoversthedeterminationofthevolumeratioofhydrocarbondiluenttoactivesolventrequiredtocausepersistentheterogeneity(precipitation)inasolutionofcellulosenitrate.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thefollowingappliestoallspecifiedlimitsinthisstandard;forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff"tothenearestunit"inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection6.1.5Forhazardinformationandguidance,seethesupplier'sMaterialSafetyDataSheet.
【中国标准分类号】:G17
【国际标准分类号】:87_060_30
【页数】:4P.;A4
【正文语种】:
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