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【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs-Plastics-Testmethodsforoverallmigrationathightemperatures
【原文标准名称】:与食品接触的材料和制品.塑料.高温下全渗移物析出量的试验方法
【标准号】:BSEN1186-13-2002
【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;食品检验;食品包装;食品;食品料;高温;高温技术;浸渍;试验研究;材料;接触食品的材料;材料规范;材料测试;迁移;抗渗移性;目的;橄榄油;塑料;葵花籽油;试件;试验
【英文主题词】:Articles;Contact;Foodinspection;Foodpackages;Foodproducts;Foodstuff;Hightemperatures;High-temperaturetechniques;Immersion;Investigations;Materials;Materialsincontactwithfood;Materialsspecification;Materialstesting;Migration;Migrationresistance;Objects;Oliveoil;Plastics;Sunflowerseedoil;Testpieces;Testing
【摘要】:ThisEuropeanStandardspecifiestestmethodsforthedeterminationoftheoverallmigrationintofattyfoodsimulantsfromplasticsmaterialsandarticles,bytotalimmersionoftestspecimensinafattyfoodsimulantattemperaturesfrom100°Cuptoandincluding,175°Cforselectedtimes.Alsodescribedisaprocedurewithasubstitutetestmedium.Inthissubstituteprocedurethemassofcomponentsadsorbedonmodifiedpolyphenyleneoxide(MPPO)istakenasameasurefortheassessmentoftheoverallmigrationintooliveoil.NOTE1Thetotalimmersiontestmethodhasbeenwrittenforusewiththefattyfoodsimulant,oliveoil.Thetestmethodcanalsobeusedwithappropriatemodificationswith'otherfattyfoodsimulants'calledsimulantD-asyntheticmixtureoftriglycerides,sunfloweroilandcornoil.Theseotherfattyfoodsimulantsproducedifferentchromatogramsforthesimulantmethylesterstothoseofthemethylestersofoliveoil.Suitablechromatogrampeaksofthemethylestersoftheotherfattyfoodsimulantsshouldbeselectedforthequantitativedeterminationofthesimulantextractedfromthetestspecimens.NOTE2Acomparativemigrationtestcarriedoutwithpolypropyleneandpolyethyleneterephthalatehightemperatureapplicationcontainersastestsamplesatconditions2hat100°Cand2hat175°C,respectively,incontactwith14C-labelledsynthetictriglycerideandMPPOprovidedtestresultscomparablewithintheanalyticaltoleranceofthemethods.NOTE3ToobtainreproducibleandrepeatableresultsusingtheMPPOmethoditmaybenecessarytomeasurethetemperatureofthetestspecimenbeforestartingthemigrationperiod.Anappropriatemethodformeasuringthetemperatureofthetestspecimenneedstobeestablished.Thedescribedmethodsaremostsuitableforfoodcontactarticlesintheformofsheetsandfilms,butcanalsobeappliedtoawiderangeofarticlesandcontainers.
【中国标准分类号】:X08;C53
【国际标准分类号】:67_250
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:Guidefortheprocurementofpowerstationequipment-Turbineauxiliaries-Coolingwatersystems-Section9:Coolingwatersystems
【原文标准名称】:发电站设备采购指南.涡轮机辅助设备.冷却水系统.第9节:冷却水系统
【标准号】:BSEN45510-6-9-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-01-15
【实施或试行日期】:2000-01-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:采办;交货条件;维修;监测用装置;指导手册;导则;验收规范;调查;质量保证;规范;定义;设备;涡轮机;冷却水;发电站;辅助发生器;辅助装置;涡轮辅助设备;文献工作;冷却水系统;冷却系统;供应;定单;电容器
【英文主题词】:
【摘要】:Thisstandardgivesguidanceonwritingthetechnicalspecificationfortheprocurementofmainandauxiliarycoolingwatersystemsforuseinelectricitygeneratingstations(powerstations).ThisGuideforprocurementisnotapplicabletoequipmentforuseinthenuclearreactorplantareaofnuclearpowerstations.OtherpossibleapplicationsofsuchequipmenthavenotbeenconsideredinthepreparationofthisGuide.ThisGuidecovers:-pumpintakescreeningplant(coarseandfinescreens)andassociatedcleaningsystems;-pressurefilters;-pipeworkandvalves;-penstockgates;-primingandventingequipment;-dewateringfacilities;-surgesuppressionequipment;-cathodicprotectionequipment;-chemicaltreatment.ThisGuidedoesnotcover:-maincoolingwaterpumpsandassociatedauxiliaries;-auxiliarycoolingwaterpumps;-condenserplant;-auxiliaryplantheatexchangers;-coolingtowers;-rawwatertreatmentplant;-civilwork.TheequipmentcoveredbythisGuideisdefinedbyitsfunctionratherthandesigntype.Therefore,theguidancetothespecificationisstatedinperformancetermsratherthanbeingspecifiedbyadetaileddescriptionoftheequipmenttobesupplied.ThisGuideindicatestopotentialpurchasershowtheirspecificationshouldbepreparedsothat:-theequipmenttypeandcapacityinterfacescorrectlywithotherelementsofthesystems,suchascoolingwaterpumps,condenser,etc.;-predictedperformanceisachieved;-ancillaryequipmentisproperlysized;-reliability,availabilityandsafetyrequirementsareachieved;-properconsiderationisgiventotheevaluationprocessandthequalitymeasurestobeapplied.ThisGuidedoesnotdeterminethetypeofspecification(e.g.detailed,performance,functional)ortheextentofsupplyforanygivencontractwhichisnormallydecidedonthebasisofthepurchaser'sprojectstrategy.Itdoesnotcover:-anycommercial,contractualorlegalissueswhicharenormallyinseparatepartsofanenquiry;-anyallocationofresponsibilitieswhicharedeterminedbythecontract.ThisGuidedoesnotprescribethearrangementofthedocumentsintheenquiry.NOTE:AsacomprehensiveEuropeanenvironmentalpolicyisstillunderpreparation,thisGuidedoesnotaddresstheenvironmentalimplicationsoftheequipment.
【中国标准分类号】:F20
【国际标准分类号】:27_040;27_100;27_200
【页数】:25P;A4
【正文语种】:英语