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【英文标准名称】:StandardTestMethodsforRubberChemicals8212;DeterminationofPercentSulfurbyExtraction
【原文标准名称】:橡胶化学制品的标准试验方法.萃取法测定硫磺百分比
【标准号】:ASTMD4578-2006
【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】:炭黑;化学制品;含量测定;天然橡胶;橡胶;硫;合成橡胶;测试
【英文主题词】:insolublesulfur;sulfur
【摘要】:TestMethodAiscommonlyusedforqualitycontroltestingbecauseofthesolventefficiencyofcarbondisulfide.TestMethodBemploystolueneasasolventbecauseitislesstoxicandlessvolatilethancarbondisulfide.TestMethodBismorelikelytobeusedforresearchanddevelopmentorforanyotherpurposewheresuchinformationmaybeuseful.1.1Thesetestmethodscoverthedeterminationofsolventinsolublematerialsinasulfursample.Thetwotestmethodsavailableare:(1)TestMethodA,ExtractionbyCarbonDisulfide,and(2)TestMethodB,ExtractionbyToluene.Iftherearenoothersolventinsolublematerialspresentinthesulfur,thesetestmethodsdeterminetheinsolublesulfurcontentdirectly.Ifothermaterialsarealsopresent,additionaltestingisnecessarytoidentifywhatportionoftheinsolublesisinsolublesulfur.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarning,see5.1.
【中国标准分类号】:G40
【国际标准分类号】:83_040_20
【页数】:3P.;A4
【正文语种】: