【英文标准名称】:StandardTestMethodforSaponificationNumber(Empirical)ofSyntheticandNaturalWaxes
【原文标准名称】:合成和天然蜡皂化值(经验)的测试方法
【标准号】:ASTMD1387-1989(2007)
【标准状态】:现行
【国别】:
【发布日期】:1989
【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】:D21.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抛光剂;肥皂;纤维素;试验;皂化值;蜡
【英文主题词】:naturalwax;polish;polyethylenewax;saponificationnumber;syntheticwax;titration;wax
【摘要】:Thistestmethodisusedtodeterminethepropertyofesterfunctionality.Esterfunctionalitydeterminestheutilityofthewaxaswellasbeingasignificantqualitycontroltest.1.1Thistestmethodcoversthedeterminationofthesaponificationnumberofsyntheticwaxesandnaturalwaxes.1.2ThistestmethodisapplicabletoFischerTropsche,microcrystalline,polyethylene,andMontanEsterwaxes.1.3Certainsyntheticwaxes,notablycopolymersofethylene,exhibitpoorreproducibilitywhenrunningsaponificationvalues.Reproducibilitycanbeimprovedifcookingtimeinisextendedfrom3hto18-20h.1.4Someoxidizedpolyethyleneandotherwaxeswithamelttemperatureabove100176;Cmaygivepoorreproducibility.1.5Somedark-colored(GardnerColor14)waxesmayobscurethecolorchangeoftheindicator,resultinginpoorreproducibility.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E42
【国际标准分类号】:75_140
【页数】:2P.;A4
【正文语种】: