【英文标准名称】:Waterquality-Determinationof33elementsbyinductivelycoupledplasmaatomicemissionspectroscopy
【原文标准名称】:水质.通过电感耦合等离子体原子发射分光光度计对33种元素的测定
【标准号】:BSENISO11885-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-04-15
【实施或试行日期】:1998-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;再现性;化学分析和试验;银;铅;锶;发射波谱;金属;钨;硅;硼;质量;镍;钒;锌;砷;铋;锑;等离子体;磷;准确度;铁;钙;校正;钠;钡;钾;水质试验;铍;锆;发射分光光度测定法;钴;硫;锰;水;铬;分光光度法;试验设备;钼;铝;铝;水污染;镁;锡;铜;干扰(化学);锂;钛;镉;硒;饮用水
【英文主题词】:AES;Aluminium;Analysis;Antimony;Arsenic;Atomicemissionspectrometry;Barium;Beryllium;Bismuth;Boron;Cadmium;Calcium;Cations;Chemicalanalysisandtesting;Chromium;Cobalt;Contentdetermination;Copper;Definitions;Detectionlimits;Determinationofcontent;Elements;Emissionspectrophotometry;Investigationmethods;Iron;Lead;Lithium;Magnesium;Manganese;Metalcontent;Metals;Molybdenum;Nickel;Phosphorus;Plasma;Potassium;Selenium;Sewage;Silver;Sludge;Sodium;Spectrochemicalanalysis;Standardmethods;Strontium;Sulphur;Surfacewater;Testing;Tin;Titanium;Tungsten;Vanadium;Water;Waterquality;Watertesting;Wavelengths;Zinc;Zirconium
【摘要】:1FieldofapplicationThisInternationalStandardspecifiesamethodforthedeterminationofdissolved,paniculateortotalelementsinraw,potableandwastewaterforthefollowingelements:aluminium,antimony,arsenic,barium,beryllium,bismuth,boron,cadmium,calcium,chromium,cobalt,copper,iron,lead,lithium,magnesium,manganese,molybdenum,nickel,phosphorus,potassium,selenium,silicon,silver,sodium,strontium,sulfur,tin,titanium,tungsten,vanadium,zinc,zirconium.Table1liststheseelementsalongwiththerecommendedwavelengthsandtypicalestimatedinstrumentaldetectionlimitsusingconventionalpneumaticnebulization.Actualworkingdetectionlimitsaresample-dependentandasthesamplematrixvaries,theseconcentrationscanalsovary.Becauseofthedifferencesbetweenvariousmakesandmodelsofsatisfactoryinstruments,nodetailedinstrumentaloperatinginstructionscanbeprovided.Instead,theanalystwillneedtorefertotheinstructionsprovidedbythemanufactureroftheparticularinstrument.2InterferencesTable2listselementsandthemostimportantspectralinterferencesatthewavelengthsrecommendedforanalysis.Severaltypesofinterferenceeffectscancontributetoinaccuraciesinthedeterminationoftraceelements.Theycanbesummarizedasfollows.a)Spectralinterferences,categorizedas:1)overlapofaspectrallinefromanotherelement;theseeffectscanbecompensatedbyutilizingcomputercorrectionoftherawdata;2)unresolvedoverlapofmolecularbandspectra;theseeffectscanpossiblybeovercomebyselectionofanalternativewavelength.Iftheappropriateequipmentisavailable,wavelengthscanningcanbeperformedtodetectpotentialspectralinterferences.b)Backgroundinfluences,categorizedas:2)backgroundcontributionfromcontinuousorrecombinationphenomena;3)backgroundcontributionfromstraylightfromthelineemissionofelementsinhighconcentration.Theeffectofbackgroundinterferencescanusuallybecompensatedbybackgroundcorrectionadjacenttotheanalyteline.Physicalinterferencesaregenerallyconsideredtobeeffectsassociatedwiththesamplenebulizationandtransportprocesses.Suchpropertiesaschangeinviscosityandsurfacetensioncancausesignificantinaccuracies,especiallyinsampleswhichmaycontainhighconcentrationsofdissolvedsolidsand/oracid.Ifthesetypesofinterferenceareoperative,theywillbereducedbydilutionofthesampleand/orutilizationofstandardadditiontechniques.Chemicalinterferencesarecharacterizedbymolecularcompoundformation,ionizationeffectsandsolutevaporizationeffects.Theseeffectsareovercomebybufferingofthesamplematrixandbystandardadditionprocedures(see8.1.3.2).Wheneveraneworunusualsamplematrixisencountered,aseriesoftestsshouldbeperformedpriortoreportingconcentrationdataforanalyteelements.Wheninvestigatinganewsamplematrix,comparisontestscanbeperformedusingotheranalyticaltechniques,suchasatomicabsorptionspectrometry.Serialdilution—Iftheanalyteconcentrationissufficientlyhigh(minimally10xtheinstrumentaldetectionlimitafterdilution),ananalysisofadilutionneedstoagreewithin5%oftheoriginaldetermination(orwithinsomeacceptablecontrollimitthathasbeenestablishedforthatmatrix).Ifnot,achemicalorphysicalinterferenceeffectcouldberesponsible.Calibrationbystandardaddition(see8.1.3.2)—Aspikeaddedtotheoriginaldeterminationataminimumlevelof10xtheinstrumentaldetectionlimit(maximum100x)needstoberecoveredtowithin90%to110%,orwithintheestablishedcontrollimitforthatmatrix.Ifnot,amatrixeffectshouldbesuspected.Theuseofastandardadditionanalysisprocedurecanusuallycompensateforthiseffect.
【中国标准分类号】:C50
【国际标准分类号】:13_060_50
【页数】:22P;A4
【正文语种】:英语

标准名称：	火力发电机组及蒸汽动力设备水汽质量标准
中标分类：	机械 >> 活塞式内燃机与其他动力设备 >> 锅炉及其辅助设备
替代情况：	被GB/T 12145-1999代替
发布日期：
实施日期：	1990-11-01
首发日期：
作废日期：
出版日期：
页数：	8页

没有内容

没有内容

没有内容

没有内容