【英文标准名称】:StandardTestMethodsforCyanidesinWater
【原文标准名称】:水中氰化物的标准测试方法
【标准号】:ASTMD2036-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氰化物;含量测定;试验;水
【英文主题词】:colorimetric;cyanidesamendabletochlorination;distillation;ionchromatography;ionelectrode;titration;totalcyanide;weakaciddissociablecyanides
【摘要】:Cyanideishighlytoxic.Regulationshavebeenestablishedtorequirethemonitoringofcyanideinindustrialanddomesticwastesandinsurfacewaters(AppendixX1).TestMethodDisapplicablefornaturalwaterandcleanmetalfinishingorheattreatmenteffluents.ItmaybeusedforprocesscontrolinwastewatertreatmentfacilitiesprovidingitsapplicabilityhasbeenvalidatedbyTestMethodBorC.ThespottestoutlinedinAnnexA1canbeusedtodetectcyanideandthiocyanateinwaterorwastewater,andtoapproximateitsconcentration.1.1Thesetestmethodscoverthedeterminationofcyanidesinwater.Thefollowingtestmethodsareincluded:1.2Cyanogenhalidesmaybedeterminedseparately.Cyanogenchlorideisthemostcommonofthecyanogenhalidecomplexesasitisareactionproductandisusuallypresentwhenchlorinatingcyanide-containingindustrialwastewater.ForthepresenceorabsenceofCNCl,thespottestmethodgivenincanbeused.1.3Thesetestmethodsdonotdistinguishbetweencyanideionsandmetallocyanidecompoundsandcomplexes.Furthermore,theydonotdetectthecyanates.Note18212;Thecyanatecomplexesaredecomposedwhenthesampleisacidifiedinthedistillationprocedure.1.4Thecyanideincyanocomplexesofgold,platinum,cobaltandsomeothertransitionmetalsisnotcompletelyrecoveredbythesetestmethods.1.5Cyanidefromonlyafeworganiccyanidesarerecovered,andthoseonlytoaminorextent.1.6Partorallofthesetestmethodshavebeenusedsuccessfullywithreagentwaterandvariouswastewaters.Itistheuser'sresponsibilitytoassurethevalidityofthetestmethodforthewatermatrixbeingtested.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specifichazardstatementsaregiveninsections5.1,8.8,8.18,9,11.2,and16.1.9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:20P.;A4
【正文语种】:


【英文标准名称】:Arcweldingequipment-Part4:In-serviceinspectionandtesting
【原文标准名称】:电弧焊接设备.第4部分:运行中检查和试验
【标准号】:IEC60947-4-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC26
【标准类型】:()
【标准水平】:()
【中文主题词】:电弧焊接;电路;定义;电接触保护;电气工程;电气安全;电驱动装置;设备;安装;维修;操作;防电击;保护措施;重复试验;安全工程;安全规则;规范(验收);试验;焊接;焊接电流;焊接设备
【英文主题词】:
【摘要】:
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:29P;A4
【正文语种】:英语