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AAS of mercury in prescence of cobalt

  • Thread starter Taryn
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Just wondering how to analyse mercury in the presence of cobalt by atomic absorption analysis given that both elements emit and absorb radiation at 235.65nm.
I know that mercury isj examined using cold vapour atomic absorbtion analysis... but knowing this still doesnt help????????

Any hints would be appreciated
cheers!
 

Answers and Replies

chemisttree
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Just wondering how to analyse mercury in the presence of cobalt by atomic absorption analysis given that both elements emit and absorb radiation at 235.65nm.
I know that mercury isj examined using cold vapour atomic absorbtion analysis... but knowing this still doesnt help????????
Cold vapour AAS is a method in which mercury is reduced in the sample to elemental mercury which has a fairly high vapor pressure. What do you suppose the vapor pressure of zero valent cobalt might be?
 

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