【英文标准名称】:StandardTestMethodforMeasurementofHexaneExtractableContentofPolyolefins
【原文标准名称】:测量聚烯烃可提取正乙烷含量的标准试验方法
【标准号】:ASTMD5227-2001(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ethylene-propylenecopolymers;ethylene-vinylacetatecopolymers;extractables;FDA;hexane;plastics;polyethylene;solventextraction;Ethylene-propylenecopolymers;Ethylene-vinylacetate(EVA)copolymer;Extractablemattercontent;Hexaneextrac
【摘要】:FDArequirementsformaximumextractablesarespecifiedforresinanduses.Thistestmethodprovidesameanstodeterminetheamountofhexane-solublelowmolecularweightmaterialpresentinpolyolefins.Itisapplicabletoresinscontaininggreaterthan0.20%extractables.1.1Thistestmethoddescribesanextraction/gravimetricprocedurefordeterminationoftheamountofhexanesolublelowmolecularweightmaterialpresentinpolyethylene,polypropylene,ethylene-propylenecopolymers,andethylene-vinylacetatecopolymers.ThistestmethodisamodificationoftheFoodandDrugAdministration(FDA)procedurefordetermininghexaneextractablesofpolyolefins.Thistestmethodisbaseduponthepresumptionthattheweightoftheresidueextractpresentinthesolventisequaltotheamountextractedfromthefilmsampleandcouldthereforebequantifiedbymeasuringtheweightlossoftheextractedfilm,eliminatingthecomplexandtime-consumingevaporationprocessdescribedin21CFR177.1520.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Unitsusedin21CFR177.1520arealsousedinthistestmethod.UnitsareinconformancewithFederalCode21CFR177.1520,fromwhichthistestmethodisderived.Note18212;ThereisnoknownISOequivalentISOtothistestmethod.
【中国标准分类号】:G16
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Motorcycletyresandrims(metricseries)-Part1:designguides.
【原文标准名称】:摩托车轮胎和轮辋(公制系列)第1部分:设计指南.
【标准号】:NFR22-732-1-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-01-01
【实施或试行日期】:2011-01-22
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:CGSsystem;Design;Designations;Dimensions;Instructions;Metric;Motorcycles;Roadvehicles;Tyreload;Tyres;Wheelrims
【摘要】:
【中国标准分类号】:T83;G41
【国际标准分类号】:43_140;83_160_10
【页数】:18P;A4
【正文语种】:其他