ASTM D5508-1994a(2001)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:2024-05-05 13:29:40  浏览:9192   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(2001)e1
【标准状态】:现行
【国别】:
【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】:苯乙烯;丁二烯;丁二烯;聚丁橡胶;丙烯腈;聚丁橡胶NBR;苯乙烯ABS;丙烯腈含量;丙烯腈共聚物;毛细管气相色谱法;橡胶;塑料;液面毛细管气相色谱法;液面定性;残留丙烯腈单体;残留丙烯腈RAN;试验;气相色谱法
【英文主题词】:headspacegaschromatography;nitrilerubber;residualacrylonitrile;styrene-acrylonitrilecopolymers
【摘要】:Ameasurementoftheresidualacrylonitrileinnitrilerubbers(NBR),styrene-acrylonitrilecopolymersorABSterpolymerswilldeterminethepolymer’suitabilityforvariousapplications.Underoptimumconditions,theminimumlevelofdetectionofRANinNBR,SAN,orABSterpolymersisapproximately50ppb.1.1Thistestmethodcoversthedeterminationoftheresidualacrylonitrile(RAN)contentinnitrile-butadienerubbers(NBR),styrene-acrylonitrile(SAN)copolymers,andrubber-modifiedacrylonitrile-butadiene-styrene(ABS)resins.1.2Anycomponentsthatcangenerateacrylonitrileintheheadspaceprocedurewillconstituteaninterference.Thepresenceof3-hydroxypropionitrileinlaticeslimitsthisproceduretoanyrubbersandresins.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregivenNotes4and5.Note1--ThereisnocurrentISOequivalenttestmethodforresidualacrylonitrile(RAN)determinations.
【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】: