ISO 6360-1 ADD 1-1988 牙科旋转器械数字编码体系第1部分:一般特性修改1

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【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
【标准状态】:现行
【国别】:
【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】:聚烯烃;塑料;试验
【英文主题词】:ethylene-propylenecopolymers;ethylene-vinylacetatecopolymer;extractables;FDA;hexane;plastics;polyethylene;solventextraction
【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.Unitsusedin21CFR177.1520areaslousedinthistestmethhod.UnitsareinconformancewithFederalCode21CFR177.1520,fromwhichthistestmethodisderived.Note1--ThereisnosimilarorequivalentISOstandard.
【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】:


【英文标准名称】:Sinteredmetalmaterials;sint-guide-lines;part3:heat-treatmentofsinteredparts
【原文标准名称】:烧结金属材料.烧结指南.第3部分:烧结件的热处理
【标准号】:DIN30912-3-1990
【标准状态】:现行
【国别】:德国
【发布日期】:1990-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:元部件;金属;热处理;温湿度预调节;检验;烧结金属;渗碳;材料;渗氮;试验;烧结材料;烧结产品;粉末冶金;淬火;外层淬火
【英文主题词】:hardening;case-hardening;nitriding;components;sintermaterials;sinteredmetals;testing;metals;heattreatment;inspection;powdermetallurgy;sinteredproducts;preconditioning;materials;carburizing
【摘要】:Thestandardspecifiestheheattreatmentofsinteredparts.
【中国标准分类号】:J36;H72
【国际标准分类号】:77_160
【页数】:3P;A4
【正文语种】:德语