标准资料网-标准资料免费资源平台

Product Code:SAE AMS4291
Title:Aluminum Alloy, Die Castings 8.5si - 3.5cu as Cast
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of die castings.【英文标准名称】:StandardTestMethodsofTestingCelluloseAcetate
【原文标准名称】:测试乙酸纤维素的试验方法
【标准号】:ASTMD871-1996(2004)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D01.36
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;乙酸纤维素;纤维素;肥皂;抛光剂
【英文主题词】:apparentacetyl;ash;celluloseacetate;celluloseester;color;freeacidity;haze;hydroxyl;intrinsicviscosity;sulfatecontent
【摘要】:Moisturecontentofthecelluloseestercanbeusedtoestimatethedryweightofthecelluloseester.Sincecelluloseestersaredesiccants,theirmoisturecontentcanvarygreatlydependingonstorage.1.1Thesetestmethodscoverproceduresfortestingcelluloseacetate.1.2Thetestproceduresappearinthefollowingsections:SectionsAshtoColorandHazetoCombinedAcetylorAceticAcidContentTestMethodA.SolutionMethod,toTestMethodB.HeterogeneousSaponificationMethod,toFreeAciditytoHeatStabilitytoHydroxylContenttoIntrinsicViscositytoMoistureContenttoPrimaryHydroxylContenttoSulfurorSulfateContenttoViscosityto