【英文标准名称】:StandardTestMethodforTotalCyanidebySegmentedFlowInjectionAnalysis,In-LineUltravioletDigestionandAmperometricDetection
【原文标准名称】:用间隔流动注射分析、在线紫外消解和安培检测总氰化物含量的标准试验方法
【标准号】:ASTMD7511-2009e2
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:
【英文主题词】:amperometry;cyanide;cyanideamenabletochlorination;flowinjectionanalysis;freecyanide;gasdiffusionmembrane;ligandexchange;silverelectrode;totalcyanide;weakaciddissociablecyanide;Surfacewater;Totalcyanide;Ultraviolet(UV)analysis
【摘要】:Cyanideandhydrogencyanidearehighlytoxic.Regulationshavebeenestablishedtorequirethemonitoringofcyanideinindustrialanddomesticwastewatersandsurfacewaters.Thistestmethodisapplicablefornaturalwater,salinewaters,andwastewatereffluent.Themethodmaybeusedforprocesscontrolinwastewatertreatmentfacilities.ThespottestoutlinedinTestMethodsD2036,AnnexA1canbeusedtodetectcyanideandthiocyanateinwaterorwastewater,andtoapproximateitsconcentration.1.1Thismethodisusedfordeterminingtotalcyanideindrinkingandsurfacewaters,aswellasdomesticandindustrialwastes.Cyanideion(CN-),hydrogencyanideinwater(HCN(aq)),andthecyano-complexesofzinc,copper,cadmium,mercury,nickel,silver,andironmaybedeterminedbythismethod.CyanideionsfromAu(I),Co(III),Pd(II),andRu(II)complexesareonlypartiallydetermined.1.2Themethoddetectionlimit(MDL)is1.0x03BC;g/Lcyanideandtheminimumlevel(ML)is3x03BC;g/L.Theapplicablerangeofthemethodis3to500x03BC;g/Lcyanideusinga200-x03BC;Lsampleloop.Extendtherangetoanalyzehigherconcentrationsbysampledilutionorchangingthesampleloopvolume.1.3Thismethodcanbeusedbyanalystsexperiencedwithequipmentusingsegmentedflowanalysis(SFA)andflowinjectionanalysis(FIA)orworkingundertheclosesupervisionofsuchqualifiedpersons.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninNote2andSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:Hexagonnutswithflange
【原文标准名称】:带凸缘的六角螺母
【标准号】:JISB1190-2005
【标准状态】:现行
【国别】:日本
【发布日期】:2005-03-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonMachineElements
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:この規格は,フランジ付き六角ナット(以下,ナットという。)の特性について規定する。
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:22P;A4
【正文语种】:日语