作者:标准资料网 时间:2024-05-14 05:53:06   浏览:9840   来源:标准资料网

【英文标准名称】:StandardTestMethodforRubberChemicals-DiphenylGuanidine(DPG)andDi-o-tolyl-guanidine(DOTG)Assay
【原文标准名称】:橡胶化学制品的标准试验方法.二苯胍(DPG)和二邻甲苯基胍(DDTG)分析
【标准号】:ASTMD5054-1990(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:分析;试验;化合物;橡胶工业;胍
【英文主题词】:di-o-tolyl-guanidine;diphenylguanidine
【摘要】:DPGandDOTGareusedforrubberandlatexvulcanizationacceleration.TheamountofDPGorDOTGmaybeofimportanceinpredictingperformanceinrubbercompoundsandforrawmaterialpurchaseandcontrol.Thistestmethodmaybeusedasaqualitycontroltoolandforresearchanddevelopmentwork.1.1Thistestmethoddescribesthedeterminationofassayofdiphenylguanidine(DPG)anddi-o-tolyl-guanidine(DOTG).ItisbasedonavisualtitrationofDPGorDOTGwithhydrochloricacid(HCl).1.2Theassayisdeterminedasmasspercent.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:3P.;A4
【正文语种】: