【英文标准名称】:StandardPracticeforRubberfromNaturalSources8212;SamplingandSamplePreparation
【原文标准名称】:从天然原料中提取橡胶的标准实施规程.取样和样品制备
【标准号】:ASTMD1485-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D11.22
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:炭黑;天然橡胶;制备;橡胶;取样方法;测试
【英文主题词】:naturalrubber;samplerpreparation;sampling
【摘要】:Thispracticeoutlinesaprocedureforsamplingandsamplepreparationofnaturalrubber.Astatisticalmethodfordeterminingaqualityindexandlotacceptabilityisgiven.Thesamplingplanisoptionalforqualitycontrolorproduction,butmaybeusedwhenneededforrefereepurposes.1.1Thispractice,intendedforrefereepurposes,coversauniformprocedureforsamplinglotsofsolidnaturalrubber.Naturalrubbergenerallyismarketedinbalesorpackagesofvarioussizes.1.2Aprocedurefordeterminingtheacceptabilityoflotsofnaturalrubberisgiven.Thisprocedureisbasedonavariablesamplingplan.1.3Thesamplesizeisbasedontheassumptionofavisuallyhomogeneousmaterial.Ifobviousheterogeneityexists,thenumberofsamplesshallbeincreased.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:3P.;A4
【正文语种】: