【英文标准名称】:StandardTestMethodforRubberCompoundingMaterials8212;DeterminationoftheBasicNitrogenContentinRubberAntioxidant:PolymerizedTMQ
【原文标准名称】:橡胶合成配料的标准试验方法.橡胶抗氧化剂中基本氮含量测定:聚合的四氢呋喃(TMQ)
【标准号】:ASTMD5376-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D11.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:添加剂;化学制品;测试;硫化橡胶
【英文主题词】:2,2,4-trimethyl-1,2-dihydroquinoline;antioxidant;nitrogen;TMQ
【摘要】:Thistestmethodisdesignedtodeterminethenitrogencontentofoligomeric2,2,4-trimethyl-1,2-dihydroquinoline(TMQ)antioxidant.TMQisusedforheatprotectionofvulcanizedrubber.Thistestmethodissuitableforassessingproductspecificationssincenitrogencontentisrelatedtoproductperformance,thatis,antioxidantefficiencyandheatprotection.Forcomparisonofproductqualityatdifferentproductionfacilitiessufficientinterlaboratoryaccuracyandprecisionarerequired.1.1Thistestmethodcoversthedeterminationofthenitrogencontentofpolymerized2,2,4-trimethyl-1,2-dihydroquinoline(TMQ).ItisbasedonapotentiometrictitrationofanacetonesolutionofTMQwithperchloricacidinaceticacid.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection9.
【中国标准分类号】:G34
【国际标准分类号】:83_040_20
【页数】:4P.;A4
【正文语种】: