ASTM D5508-1994a(2009)e1 液面上毛细管气相色谱法测定苯乙烯.丙烯腈共聚物树脂和腈.丁二烯橡胶中残留丙烯腈单体的标准试验方法

作者:标准资料网 时间:2024-05-04 18:34:50  浏览:9501   来源:标准资料网

【英文标准名称】:StandardTestMethodforDeterminationofResidualAcrylonitrileMonomerinStyrene-AcrylonitrileCopolymerResinsandNitrile-ButadieneRubberbyHeadspace-CapillaryGasChromatography(HS-CGC)
【原文标准名称】:液面上毛细管气相色谱法测定苯乙烯.丙烯腈共聚物树脂和腈.丁二烯橡胶中残留丙烯腈单体的标准试验方法
【标准号】:ASTMD5508-1994a(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:headspace-gaschromatography;nitrilerubber;residualacrylonitrile;styrene-acrylonitrilecopolymers;Acrylonitrile-butadiene-styrene(ABS);Acrylonitrilecontent;Capillarygaschromatography;Gaschromatography(GC)--plastics;Headspacegaschroma
【摘要】:Ameasurementoftheresidualacrylonitrileinnitrilerubbers(NBR),styrene-acrylonitrilecopolymersorABSterpolymerswilldeterminethepolymer''ssuitabilityforvariousapplications.Underoptimumconditions,theminimumlevelofdetectionofRANinNBR,SAN,orABSterpolymersisapproximately50ppb.1.1Thistestmethodcoversthedeterminationoftheresidualacrylonitrile(RAN)contentinnitrile-butadienerubbers(NBR),styrene-acrylonitrile(SAN)copolymers,andrubber-modifiedacrylonitrile-butadiene-styrene(ABS)resins.1.2Anycomponentsthatcangenerateacrylonitrileintheheadspaceprocedurewillconstituteaninterference.Thepresenceof3-hydroxypropionitrileinlaticeslimitsthisproceduretodryrubbersandresins.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin6.3and6.4.Note18212;ThereisnoknownISOequivalenttothistestmethod.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:5P.;A4
【正文语种】:英语