EPA METHOD 6010C Inductively Coupled Plasma-Atomic Emission Spectrometry

EPA METHOD 6010C Inductively Coupled Plasma-Atomic Emission Spectrometry

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1、METHOD6010CINDUCTIVELYCOUPLEDPLASMA-ATOMICEMISSIONSPECTROMETRY1.0SCOPEANDAPPLICATION1.1Inductivelycoupledplasma-atomicemissionspectrometry(ICP-AES)maybeusedtodeterminetraceelementsinsolution.Themethodisapplicabletoalloftheelementslistedbelow.Withtheexceptionofgroundwatersamples,allaqueousand

2、solidmatricesrequireaciddigestionpriortoanalysis.Groundwatersamplesthathavebeenprefilteredandacidifiedwillnotneedaciddigestion.Sampleswhicharenotdigestedrequireeitheraninternalstandardorshouldbematrix-matchedwiththestandards.Ifeitheroptionisused,instrumentsoftwareshouldbeprogrammedtocorrectf

3、orintensitydifferencesoftheinternalstandardbetweensamplesandstandards.RefertoChapterThreefortheappropriatedigestionprocedures.ElementSymbolCASNumberElementSymbolCASNumberAluminumAl7429-90-5MercuryHg7439-97-6AntimonySb7440-36-0MolybdenumMo7439-98-7ArsenicAs7440-38-2NickelNi7440-02-0BariumBa74

4、40-39-3PhosphorusP7723-14-0BerylliumBe7440-41-7PotassiumK7440-09-7BoronB7440-42-8SeleniumSe7782-49-2CadmiumCd7440-43-9SilicaSiO27631-86-9CalciumCa7440-70-2SilverAg7440-22-4ChromiumCr7440-47-3SodiumNa7440-23-5CobaltCo7440-48-4StrotiumSr7440-24-6CopperCu7440-50-8ThalliumTI7440-28-0IronFe7439-8

5、9-6TinSn7440-31-5LeadPb7439-92-1TitaniumTi7440-32-6LithiumLi7439-93-2VanadiumV7440-62-2MagnesiumMg7439-95-4ZincZn7440-66-6ManganeseMn7439-96-51.2Table1liststheelementsforwhichthismethodhasbeenvalidated.Thesensitivityandtheoptimumandlinearrangesforeachelementwillvarywiththewavelength,spectrom

6、eter,matrix,andoperatingconditions.Table1liststherecommendedanalyticalwavelengthsandestimatedinstrumentaldetectionlimitsfortheelementsincleanaqueousmatriceswithinsignificantbackgroundinterferences.Otherelementsandmatricesmaybeanalyzedbythismethodifperformanceattheconcentrationsofinterest(see

7、Sec.9.0)isdemonstrated.6010C-1Revision3November20001.3Inaddition,methoddetectionlimits(MDLs)shouldbeempiricallyestablishedannually,ataminimum,foreachmatrixtypeanalyzed(refertoChaptersOneandThreeforguidance)andarerequiredforeachpreparatory/determina

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