作者:标准资料网 时间:2024-05-19 01:17:10   浏览:9132   来源:标准资料网

【英文标准名称】:StandardTestMethodsforIodideandBromideIonsinBrackishWater,Seawater,andBrines
【原文标准名称】:微咸水海水和盐水中碘化物和溴化物离子的标准试验方法
【标准号】:ASTMD3869-2009
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:brackish;brine;bromideion;colorimetric;iodideion;selectiveelectrode;Brackishwater/brines;Bromide(ion)analysis;Colorimetricanalysis--water;Inorganiccompounds--water;Iodideion(soluble)content;Selectiveelectrode
【摘要】:Identificationofabrackishwater,seawater,orbrineisdeterminedbycomparisonoftheconcentrationsoftheirdissolvedconstituents.Theresultsareusedtoevaluatetheoriginofthewater,determineifitisapossiblepollutantordetermineifitisacommercialsourceofavaluableconstituentsuchasiodineorbromine.1.1Thesetestmethodscoverthedeterminationofsolubleiodideandbromideions,orboth,inbrackishwater,seawater,andbrines.Fourtestmethodsaregivenasfollows:1.1.1TestMethodAforbothIodideandBromideIonsx2014;Volumetric,forconcentrationsfrom0.2to2000mg/Liodideandfrom5to6500mg/Lbromide(Sections7-15).1.1.2TestMethodBforIodideIon8212;Colorimetric,forconcentrationsfrom0.2to2000mg/Liodide(Sections16-25).1.1.3TestMethodCforIodideIon8212;Selectiveelectrode,forconcentrationsfrom1to2000mg/Liodide(Sections26-34).1.1.4TestMethodDforBromideIon8212;Colorimetric,forconcentrationsfrom40to6500mg/Lbromide(Sections35-44).1.2TestMethodAisintendedforuseonallbrackishwaters,seawaters,andbrinesthatcontainappreciableamountsofiodideorbromideionsorboth.TestMethodsB,C,andD,becauseoftheirrapidityandsensitivity,arerecommendedfortheanalysisofbrackishwaters,seawaters,andbrinesinthefieldandinthelaboratory.1.3Samplescontainingfrom0.2to2000mg/Lofiodideor5to6500mg/Lofbromidemaybeanalyzedbythesemethods.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,see20.2and39.2.7.1Thistestmethodisapplicabletobrackishwaters,seawaters,andbrines,andisrecommendedforsuchwaterscontainingappreciableamountsofiodideorbromide,orboth.Thetestmethodcanbeusedforconcentrationsashighas2000mg/Liodideand6500mg/Lbromide.16.1Thistestmethodcoversthecolorimetricdeterminationofiodideinbrackishwater,seawater,andbrineswhereconcentrationsrangefrom0.2to2000mg/L.26.1Thistestmethodisapplicabletoallbrackishwaters,seawaters,andbrinescontainingfrom1to2000mg/Liodide.35.1Thistestmethodisapplicabletoallbrackishwaters,seawaters,andbrineswithbromideconcentrationsrangingfrom40to6500mg/L.
【中国标准分类号】:Z17
【国际标准分类号】:
【页数】:12P.;A4
【正文语种】:英语