Monday, September 3, 2018

experimental chemistry - Atomizers in AAS


Electeothermal atomizer ( graphite furnance ) and flame atomizer, are the instruments which help us to convert the analyte into the gas state and they both achieve that. My question is, what's the difference in their way of workig ? I know the flame has its nebulisator which converts the liquid analyte into mist aerosols and then the gas helps the analyte to arrive to the flame. How does the electrothermal atomizer work ? Whats the nebulisator substitution in the graphite furnance ? Why do we have to turn the analytie in mist aerosol in flame AAS ?




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