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【英文标准名称】:TestMethodforBromineNumbersofPetroleumDistillatesandCommercialAliphaticOlefinsbyElectrometricTitration
【原文标准名称】:用电势滴定法测定石油馏分和商用脂肪族烯烃溴值的试验方法
【标准号】:ANSI/ASTMD1159-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:脂肪族的;溴值;润滑剂;烯烃;石油;石油产品;质量;测试
【英文主题词】:Aliphatic;Brominenumber;Lubricants;Olefins;Petroleum;Petroleumproducts;Quality;Testing
【摘要】:Thistestmethodcoversthedeterminationofthebrominenumberofthefollowingmaterials:Petroleumdistillatesthataresubstantiallyfreeofmateriallighterthanisobutaneandthathave90%distillationpoints(byTestMethodD86)under327?C(626?F).Thistestmethodisgenerallyapplicabletogasoline(includingleaded,unleaded,andoxygenatedfuels),kerosine,anddistillatesinthegasoilrangethatfallinthefollowinglimits:Commercialolefinsthatareessentiallymixturesofaliphaticmono-olefinsandthatfallwithintherangeof95to165brominenumber(seeNote1).Thistestmethodhasbeenfoundsuitableforsuchmaterialsascommercialpropylenetrimerandtetramer,butenedimer,andmixednonenes,octenes,andheptenes.Thistestmethodisnotsatisfactoryfornormalalpha-olefins.Note1-Theselimitsareimposedsincetheprecisionofthistestmethodhasbeendeterminedonlyuptoorwithintherangeofthesebrominenumbers.Themagnitudeofthebrominenumberisanindicationofthequantityofbromine-reactiveconstituents,notanidentificationofconstituents;therefore,itsapplicationasameasureofolefinicunsaturationshouldnotbeundertakenwithoutthestudygiveninAnnexA1.Forpetroleumhydrocarbonmixturesofbrominenumberlessthan1.0,amoreprecisemeasureforbromine-reactiveconstituentscanbeobtainedbyusingTestMethodD2710.Ifthebrominenumberislessthan0.5,thenTestMethodD2710orthecomparablebromineindexmethodsforindustrialaromatichydrocarbons,TestMethodsD1492orD5776mustbeusedinaccordancewiththeirrespectivescopes.Thepracticeofusingafactorof1000toconvertbrominenumbertobromineindexisnotapplicablefortheselowervaluesofbrominenumber.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,seeSections7,8,and9.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_100
【页数】:
【正文语种】:英语


【英文标准名称】:Recreationaldivingservices-Safetyrelatedminimumrequirementsforthetrainingofrecreationalscubadivers-Level1.SupervisedDiver
【原文标准名称】:娱乐潜水设备.水下自持呼吸器的潜水员培训用与安全有关的最低要求.1级.监督潜水员
【标准号】:BSEN14153-1-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-11-18
【实施或试行日期】:2003-11-18
【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】:潜水行动;潜水工作;定义;潜水员;规范(验收);安全要求;医学科学;训练;检验;安全;服务设施;合格;潜水;认证;适宜性;潜水装置;潜水装具;水下技术;生理学;室外娱乐活动;仪器工艺
【英文主题词】:Certification;Definition;Definitions;Divers;Diving;Divingaction;Divingdevices;Divingequipment;Divingworks;Fitnessforpurpose;Inspection;Instrumenttechnology;Medicalsciences;Outdoorleisureactivities;Physiology;Qualifications;Safety;Safetyrequirements;Services;Specification(approval);Suitability;Training;Underwatertechnology
【摘要】:ThisEuropeanStandardspecifiesthecompetenciesthatascubadiverhastohaveachievedinorderforaserviceprovidertoawardthescubadivercertificationindicatingthathehasmetorexceededscubadiverlevel1-"Superviseddiver"andspecifiesassessmentofthesecompetencies.Italsospecifiesconditionsunderwhichtraininghastobeprovided,inadditiontothegeneralrequirementsforrecreationaldivingserviceprovisionaccordingtoprEN14467.ThisEuropeanStandardappliesonlytocontractualtrainingandcertificationinrecreationalscubadiving.
【中国标准分类号】:U27
【国际标准分类号】:03_080_30;03_200
【页数】:18P;A4
【正文语种】:英语