ASTM D7365-2007 氰化物分析用水样的取样、保存与降低干扰的标准实施规程

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【英文标准名称】:StandardPracticeforSampling,PreservationandMitigatingInterferencesinWaterSamplesforAnalysisofCyanide
【原文标准名称】:氰化物分析用水样的取样、保存与降低干扰的标准实施规程
【标准号】:ASTMD7365-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:(Practice)
【标准水平】:()
【中文主题词】:分析;化学水污染物;氰化物;干扰;保存;取样;水质;水样;水质测试
【英文主题词】:availablecyanide;cyanide;freecyanide;hydrogencyanide;interference;preservative;samplecollection;totalcyanide
【摘要】:Cyanideisroutinelyanalyzedinwatersamples,oftentodemonstrateregulatorycompliance;however,impropersamplecollectionorpretreatmentcanresultinsignificantpositiveornegativebiaspotentiallyresultinginunnecessarypermitviolationsorundetectedcyanidereleasesintotheenvironment.1.1Thispracticeisapplicableforthecollectionandpreservationofwatersamplesfortheanalysisofcyanide.Thispracticealsoaddressesthemitigationofknowninterferencespriortotheanalysisofcyanide.1.2Thesampling,preservationandmitigationofinterferenceproceduresdescribedinthispracticearerecommendedfortheanalysisoftotalcyanide,availablecyanide,weakaciddissociablecyanide,andfreecyanidebyTestMethodsD2036,D4282,D4374,D6888,D6994,andD7237.Thispracticecanalsobeappliedtoothercyanidemethods,forexample,USEPAMethod335.4andStandardMethods4500-CN-C.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:8P.;A4
【正文语种】: