Question
List the characteristics of atomisation-excitation source in atomic emission spectrometry. Name the three types of plasma sources.
Answer :
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In atomic emission spectrometry (AES), the atomisation-excitation source plays a crucial role in converting the sample into free gaseous atoms and exciting them to higher energy states so that they can emit characteristic radiation. An ideal atomisation-excitation source should provide high temperature stability to ensure efficient atomisation and excitation of atoms. It should maintain a uniform and steady environment to produce reproducible emission signals. The source should minimize spectral interference and
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