【英文标准名称】:StandardTestMethodforCyanogenChlorideinWater
【原文标准名称】:水中氯化氰含量的标准试验方法
【标准号】:ASTMD4165-2006
【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】:氯;含量测定;试验;水
【英文主题词】:cynanide;cyanogenchloride;pyridine-barbituricacid;spectrophotometer
【摘要】:Thepresenceofcyanogenchlorideinchlorinatedsanitaryandindustrialeffluentsandthereforereceivingwatersisofconcernbecauseofitstoxicitytoaquaticlife.Thistestmethodprovidesananalyticalprocedureformeasuringcyanogenchlorideinwater.Thistestmethodisapplicableforcleanmetalfinishingandchlorinatedsanitaryandindustrialeffluents,andalsocanbeusedtoestablishprocesscontrolofcyanidedestructionbychlorinationinwastewatertreatmentfacilities.1.1Thistestmethodcoversthedeterminationofcyanogenchlorideinwater.Cyanogenchlorideisnormallypresentonlyatverylowconcentrations;itisaverylabileandsparselysolublegaseouscompound.Watersamplesmaycontaincyanogenchlorideafterthechlorinationofwastewaterscontainingcyanideorthiocyanatecompounds.1.2Cyanogenchlorideisunstable.Aquicktestusingaspotplateorcomparatorassoonasthesampleiscollectedmaybethebesttest,reducingthelossofcyanogenchlorideduringthetimelapsebetweensamplingandanalysis.(Seeforatypicaldecaycurveforcyanogenchlorideinasolution.)1.3Thistestmethodhasbeenusedsuccessfullywithreagentwater.Theanalystisresponsiblefordeterminingwhetherthetestmethodisapplicabletothewatermatrixbeingtested.ReferenceismadetoTestMethodDofTestMethodsD2036whichisbasedonsimilarchemicalreactionsandhasbeenevaluatedbycollaborativetestinginthismatrix.1.4Thelowerlimitofdetectabilityis0.005mgCN/L.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninNote0andNote0andSection.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:4P.;A4
【正文语种】: