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BS EN 1186-15-2002 与食品接触的材料和制品.塑料.快速萃取异辛烷和或95%酒精的脂肪食品塑料析出物渗移量的交替试验方法

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【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs-Plastics-Alternativetestmethodstomigrationintofattyfoodsimulantsbyrapidextractionintoiso-octaneand/or95%ethanol
【原文标准名称】:与食品接触的材料和制品.塑料.快速萃取异辛烷和或95%酒精的脂肪食品塑料析出物渗移量的交替试验方法
【标准号】:BSEN1186-15-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-10-14
【实施或试行日期】:2002-10-14
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:物品;触点;酒精;萃取;脂肪;食品检验;食品包装;食品;食品料;浸渍;试验研究;异辛烷;材料;接触食品的材料;材料规范;材料测试;迁移;抗渗移性;塑料;试验媒体;试件;试验
【英文主题词】:Articles;Contact;Ethanol;Extraction;Fats;Foodinspection;Foodpackages;Foodproducts;Foodstuff;Immersion;Investigations;Isooctane;Materials;Materialsincontactwithfood;Materialsspecification;Materialstesting;Migration;Migrationresistance;Plastics;Testmedia;Testpieces;Testing
【摘要】:ThisEuropeanStandardspecifiestwoalternativetestmethods,inthesenseofanextractiontestwitha'moresevere'testcharacter,fortheassessmentoftheoverallmigrationintofattyfoodsimulants.MethodAisbasedonthedeterminationoftheextractionofmigrateablesubstancesfromplasticswhichareintendedtocomeintocontactwithfoodstuffs,bytotalimmersioninnon-polar,iso-octane,and/orpolar,ethanol,solventsdependingonthepolarityofthepackagingmaterial.Accordingtoresultsobtainedbythismethod(see[1],[2],[3],[4],[5])andtakingphysio-chemicalconsiderationsintoaccount,theobtainedextractionefficiencyhas,generally,beenfoundtobeequivalenttoorhigherthanoverallmigrationresultsobtainedunderthetestconditions,10daysat40°C,2hat70°C,1hat100°C,30minat121°Cand30minat130°C.Toensureascompleteaspossibleextractionofthepotentialmigrants,astronginteraction,e.g.swelling,ofthesamplebytheextractionsolventisnecessary.Forthispurpose,iso-octaneisusedasanextractionsolventforplasticsmaterialsandarticlescontainingnonpolarfoodcontactlayers,suchaspolyolefins.Fortestsamplesmadefrompolarfoodcontactplasticssuchaspolyamideandpolyethyleneterephthalate,95%(v/v)aqueousethanolisused.Forpolystyrenes,plasticizedpolyvinylchlorideandotherpolymerswheretheidentificationorpolarityofthepolymerisnotclear,twoparallelextractiontestsshouldbeconductedusingbothoftheproposedextractionsolventsandtakingthehighervalueobtainedastherelevantresult.NOTE1Incaseofmultilayerstructuressuchasplasticslaminatesandco-extrudedplastics,thenatureofthefoodcontactlayerdeterminestheselectionoftheextractionsolvent(s).Thistestmethodshouldonlybeappliedtoflexiblepackagingswhicharelessthan300μminthickness.WhentheresultdoesnotexceedtheallowedoverallmigrationlimitthenthematerialcanbeconsideredtobeincompliancewithECregulations.Ifthetestresultexceedstheallowedoverallmigrationlimitthefollowingoptionsmaybeappliedchronologicallywithrespecttofurthermigrationtesting:1)single-sidedextractiontestusingacell,iftechnicallyfeasible(seeclause4MethodBofthisstandard);2)conventionalmigrationtestusingoliveoilorotherfattyfoodsimulants;NOTE2TheoverallmigrationlimitisspecifiedinCommissionDirective90/128/EEC[7]andtheconditionsoftestinCouncilDirective82/711/EEC[8]anditssubsequentamendments,[9],[10].MethodBisapplicableinthosecaseswherethetotalimmersiontest,EN1186-15MethodA,yieldstotalextractionvaluesthatexceedtheoverallmigrationormaybetechnicallyunsuitable,i.e.inthecaseofmultilayerstructures,suchasplasticslaminatesandco-extrudedfilms.Thistestmethodshouldprimarilyonlybeappliedtoflexiblepackagingswithaphysicalbarrierlayer(forinstanceofaluminiumorothermaterialtopreventpenetrativelossofextractionsolvent)andwhichhaveathinnerfoodcontactlayerthan300μm.IftheresultdoesnotexceedtheallowedoverallmigrationlimitthenthematerialcanbeconsideredtobeincompliancewithECregulations.Ifthetestresultexceedstheallowedoverallmigrationlimitthenthefollowingoptionmaybeappliedwithrespecttofurthermigrationtesting:-conventionalmigrationtestusingoliveoilorotherfattyfoodsimulants.NOTE3MethodsAandBarenotapplicabletotestmaterialsintendedforapplicationsover130°C.NOTE4Testmaterialsintendedforapplicationsover70°Cshouldbecheckedfortheirphysicalsuitabilityattheintendedtimeandtemperatureofuse.
【中国标准分类号】:X08;C53
【国际标准分类号】:67_250
【页数】:20P;A4
【正文语种】:英语


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【英文标准名称】:Industrial-processcontrolvalves;part5:marking
【原文标准名称】:工业过程控制阀.第5部分:标记
【标准号】:DINIEC60534T.5-1984
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


基本信息
标准名称:实验动物 近交系小鼠、大鼠生化标记检测方法
英文名称:Laboratory animal--Genetic monitoring:methods for biochemical markers of inbred mice and rats
中标分类: 农业、林业 >> 畜牧 >> 饲养动物
ICS分类: 农业 >> 农业和林业 >> 动物饲养和繁殖
替代情况:替代GB/T 14927.1-1994;被GB/T 14927.1-2008代替
发布部门:中华人民共和国国家质量监督检验检疫总局
发布日期:2001-08-02
实施日期:2002-05-01
首发日期:1994-01-11
作废日期:2009-03-01
主管部门:国家标准化管理委员会
归口单位:全国实验动物标准化技术委员会
起草单位:中国实验动物学会
出版社:中国标准出版社
出版日期:2002-05-01
页数:平装16开, 页数:23, 字数:39千字
书号:155066.1-18072
适用范围

本标准规定了对近交系小鼠、大鼠生化标记进行检测的乙酸纤维膜(板)的电泳方法及判断标准。本标准适用于近交系大鼠和小鼠任何品系。

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所属分类: 农业 林业 畜牧 饲养动物 农业 农业和林业 动物饲养和繁殖