BS ISO 3622-1997 摄影技术.洗片化学制品.硫氰酸铵规范
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【英文标准名称】:Photography-Processingchemicals-Specificationsforammoniumthiocyanate
【原文标准名称】:摄影技术.洗片化学制品.硫氰酸铵规范
【标准号】:BSISO3622-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-02-15
【实施或试行日期】:1997-02-15
【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】:纯度;照相药品;化学成分;摄影;铵无机化合物;硫氰酸盐;化学分析和试验;pH值;摄影材料;含量测定;pH值测定
【英文主题词】:Ammonium;Chemicals;Materialsspecification;Photographicchemicals;Photographicmaterials;Photography;Testing;Tests;Thiocyanates
【摘要】:ThisInternationalStandardestablishescriteriaforthepurityofphotographic-gradeammoniumthiocyanateandspecifiesthetestmethodstobeusedtodeterminethepurity.
【中国标准分类号】:G84
【国际标准分类号】:37_040_30
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUsingaConeCalorimetertoDetermineFire-Test-ResponseCharacteristicsofInsulatingMaterialsContainedinElectricalorOpticalFiberCables
【原文标准名称】:使用锥形量热计测定电缆或光缆用绝缘材料的火灾试验反应特性的标准试验方法
【标准号】:ASTMD6113-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D09.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cable;conecalorimeter;electricalcable;electricalinsulation;fire;fire-testresponse;heatrelease;heatreleaserate;opticalfibercable;oxygenconsumptioncalorimetry;smokeobscuration;Conecalorimeter;Electricalfibercable;Electricalinsul
【摘要】:Thistestmethodisusedtodeterminetheheatreleaserateandanumberofotherfire-test-responsecharacteristicsasaresultofexposinginsulatingmaterialscontainedinelectricaloropticalcablestoaprescribedheatingfluxintheconecalorimeterapparatus.Quantitativeheatreleasemeasurementsprovideinformationthatispotentiallyusefulfordesignofelectricaloropticalcables,andproductdevelopment.Heatreleasemeasurementsprovideusefulinformationforproductdevelopmentbygivingaquantitativemeasureofspecificchangesinfireperformancecausedbycomponentandcompositemodifications.Heatreleasedatafromthistestmethodwillnotbepredictiveofproductbehavioriftheproductwillnotspreadflameoveritssurfaceunderthefireexposureconditionsofinterest.Thefire-test-responsecharacteristicsdeterminedbythistestmethodareaffectedbythethicknessofthematerialusedastestspecimen,whetherasaplaqueorascoatingonawireorcable.Thediameterofthewireorcableusedwillalsoaffectthetestresults.Aradiantexposureisusedasanenergysourceforthistestmethod.Thistypeofsourcehasbeenusedforcomparisonwithheatreleaserateandflamespreadstudiesofinsulatingmaterialsconstructedintocableswhenburninginaverticalcabletrayconfiguration(TestMethodsD5424andD5537)(2-9).Nodefinitiverelationshipshavebeenestablished.Thevalueofheatreleaseratecorrespondingtothecriticallimitbetweenpropagatingcablefiresandnon-propagatingfiresisnotknown.Thistestmethoddoesnotdeterminethenetheatofcombustion.Ithasnotbeendemonstratedthatthistestmethodiscapableofpredictingtheresponseofelectricaloropticalfibercablesinafullscalefire.Inparticular,thistestmethoddoesnotaddresstheself-extinguishingcharacteristicsofthecablesinafullscalefire.1.1Thisisafire-test-responsestandard.1.2Severalfire-test-responsecharacteristics,includingthetimetosustainedflaming,heatreleaserate,totalheatreleased,effectiveheatofcombustion,andspecificextinctionarea;aremeasuredorcalculatedbythistestmethodataconstantradiantheatingflux.Forspecificlimitationsseealso5.7andSection6.1.3Thetestsareconductedbyburningtheelectricalinsulatingmaterialscontainedinelectricaloropticalfibercableswhenthecabletestspecimens,excludingaccessories,aresubjectedtoradiantheat.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityorregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.1.6Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,productsorassembliesunderactualfireconditions.1.7Firetestingisinherentlyhazardous.Adequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.
【中国标准分类号】:K15
【国际标准分类号】:33_180_10
【页数】:19P.;A4
【正文语种】:英语
