ISO 10258-1994 硫化铜精矿铜含量测定滴定法
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【英文标准名称】:Coppersulfideconcentrates-Determinationofcoppercontent-Titrimetricmethods
【原文标准名称】:硫化铜精矿铜含量测定滴定法
【标准号】:ISO10258-1994
【标准状态】:现行
【国别】:国际
【发布日期】:1994-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC183
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;铜无机化合物;硫化物;浓缩物;铜;铜矿石;容量分析;化学分析和试验
【英文主题词】:Chemicalanalysisandtesting;Concentrates;Copper;Copperinorganiccompounds;Copperores;Determinationofcontent;Sulphides;Volumetricanalysis
【摘要】:Specifiestwotitrimetricmethodsforthedeterminationofthecoppercontentofcoppersulfideconcentratesintherange15%(m/m)to50%(m/m),titratingfreeiodineisolatedbyreactionbetweeniodideionsandcopper(II)ionswithsodiumthiosulfateusingsolublestarchastheindicatorafterseparation(method1)orwithoutseparation(method2)ofcopperfrominterferingelements.
【中国标准分类号】:G12
【国际标准分类号】:73_060_99
【页数】:17P;A4
【正文语种】:英语
【英文标准名称】:Requirementsforelectricalinstallations-IEEWiringRegulations-Sixteenthedition
【原文标准名称】:电气设备的要求.IEE布线规则.第16版
【标准号】:BS7671-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-06-01
【实施或试行日期】:2001-06-01
【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】:电力设备;低压设备;电气工程;安全工程;防护电气设备;电击;电气事故;电气安全;电气布线系统;防火安全;低电压;电气设备;工业电力设备;民用电力设备;配电;电负载;电流;电力传输;电压;超低电压;临时电力设备;电气保护设备;露天电气设备;电力系统
【英文主题词】:
【摘要】:BS7671:2001.RequirementsforElectricalInstallationswasissuedon1June2001andcameintoeffecton1January2002.Installationsdesignedafter1January2002aretocomplywiththisedition.BS7671:2001includeschangesnecessarytomaintaintechnicalalignmentwithCENELECharmonizationdocuments,including:-anexpandedPart1:Scope,ObjectandFundamentalPrinciples-Section443:Protectionagainstovervoltagesofatmosphericoriginorduetoswitching-Section482:Precautionswhereparticularrisksordangersoffireexist-amendmentstoChapter43.Chapter46,Section604(ConstructionSiteInstallations)andSection611(InstallationofHighwayPowerSupplies,StreetFurnitureandStreetLocatedEquipment)Changesofanationalorigininclude:-arevisionofSection607(Earthingrequirementsfortheinstallationofequipmenthavinghighprotectiveconductorcurrents)
【中国标准分类号】:K04
【国际标准分类号】:29_020;91_140_50
【页数】:317P;A4
【正文语种】:英语
【英文标准名称】:Electriccables-Thermosettinginsulated,armoured,fire-resistantcablesofratedvoltage600/1000V,havinglowemissionofsmokeandcorrosivegaseswhenaffectedbyfire-Specification
【原文标准名称】:电缆.受火影响时排放少量烟和腐蚀气体的600/1000V热固绝缘铠装耐火电缆.规范
【标准号】:BS7846-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-09-30
【实施或试行日期】:2009-09-30
【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】:铠装电缆;分类系统;电缆线;电绝缘;排放;耐火性;防火安全性;建筑物防火;燃烧试验;耐火材料;气体;等级(质量);绝缘电缆;机械测试;多芯电缆;性能测试;额定电压;烟;热固性聚合物
【英文主题词】:Armouredcables;Classificationsystems;Electriccables;Electricalinsulation;Emission;Fireresistance;Firesafety;Firesafetyinbuildings;Firetests;Fire-resistantmaterials;Gases;Grades(quality);Insulatedcables;Mechanicaltesting;Multicorecables;Performancetesting;Ratedvoltage;Smoke;Thermosettingpolymers
【摘要】:ThisBritishStandardspecifiesrequirementsforconstructionandperformance,anddescribesmethodsoftest,forarmoured,fire?resistantcableswiththermosettinginsulationandofratedvoltage600/1000Vandlowemissionofsmokeandcorrosivegaseswhenaffectedbyfire.Thecircuitintegrityperformanceunderfireconditionsisassessedonthebasisofvarioustestswhicheitherseparatelymeasureresistancetofire,resistancetofirewithwaterspray,andresistancetofirewithmechanicalshock(CategoryF2)orincombinationmeasureresistancetofirewithdirectmechanicalimpactandwaterjet(CategoriesF30,F60andF120).Cablesspecifiedinthisstandardareintendedforuseinfixedinstallationsinindustrialareas,buildingsandsimilarapplications,wheremaintenanceofpowersupplyduringafireisrequiredforadefinedperiodoftime.NOTE1Attentionisdrawntothefactthattheabilityofagivencabletomeetaparticularcategoryinthisstandardrefersonlytothetestconditionsstated,andthelevelofperformanceachievedinaparticularinstallationcanbeinfluencedbyactualinstallationconditions.CablescoveredbythisstandardhavelimitedevolutionofsmokeandcorrosivegaseswhenassessedunderthefireconditionsasspecifiedinBSEN61034-2andBSEN50267-2-1.Inthisstandard,thelevelofcorrosive(andacid)gasesisdeterminedbymeasurementofhydrochloricacid(HCl)inaccordancewithBSEN50267-2-1.Theinsulationandothercomponentsaresuitabletopermitoperationofthecablesatamaximumsustainedconductortemperatureof90°Candforamaximumshort-circuitconductortemperatureof250°C.NOTE2Limitationonthetemperatureofthecablesmaybeimposedinsituationswheretheymaybetouched.NOTE3Duetotherelativelyhighconductortemperature,thereisariskofdryingoutthesurroundingsoilcausinganincreaseinthermalresistivitywhichinturnwouldleadtothecabletemperaturerisingtoahighervaluethananticipated.Forcablelaiddirectlyintheground,asuitablede-ratingfactorshouldbeappliedoralowermaximumsustainedconductoroperatingtemperatureshouldbeassumedtotakeintoaccountthepossibleeffectsofsoildryingout.NOTE4Ininstallationswhichincludecablejointsandterminations,theperformanceoftheseaccessoriesshouldbetakenintoaccountindecidingthemaximumoperatingtemperatureofthecable.Thecablesspecifiedinthestandardareeithersteelwirearmouredorinterlockedsteeltapearmouredandsheathed,asfollows:a)two-,three-,four-andfive-corestrandedcopperconductor;b)multicoreauxiliarystrandedcopperconductor.AnnexAgivesrecommendationsfortheselectionandoperationofcableswhilerecommendationsfortheinstallationofcablesaregiveninAnnexB.AnnexCliststheinformationthatshouldbegivenwithanenquiryororder.
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:56P.;A4
【正文语种】:英语
