Transcription of application note - GBC Scientific
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AAS or ICP-OES Are They Competing Techniques?IntroductionThe analyst today is faced with a bewilderingchoice of techniques when deciding to enterthe field of elemental analysis. Should it beAtomic Absorption Spectrometry (AAS),Inductively Coupled Plasma Optical EmissionSpectrometry (ICP-OES), InductivelyCoupled Plasma Mass Spectrometry(ICP-MS) or Inductively Coupled Plasma ArcSpark (ICP-AS)?One of the areas where the choice issupposedly most difficult to resolve concernsAAS and ICP-OES. When ICP-OES wasdeveloped in the mid-1970 s, the scientificpress read ICP is going to sweep AAS awayand take over as the only analytical techniqueworth considering for liquid samples .
With an inductively-coupled plasma source, the sample experiences temperatures estimated to be in the vicinity of 10000K. This results in atomization and excitation of
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SAMPLE PREPARATION FOR FLAME ATOMIC, SAMPLE PREPARATION, Atomic absorption spectrometry, Sample preparation Sample preparation, CARBOXYMETHYL CELLULOSE, Sample, Flame, LEAD ATOMIC ABSORPTION,, LEAD ATOMIC ABSORPTION, DIRECT ASPIRATION, LEAD by Flame AAS 7082, LEAD by Flame AAS, LEAD in Surface Wipe Samples, Flame Photometer, GUIDE TO ENVIRONMENTAL ANALYTICAL, GUIDE TO ENVIRONMENTAL ANALYTICAL METHODS 5th Edition