Abstract

Summary It has been observed that organic solvents enhance the signal emitted by metals in flame photometry. They also increase the degree of absorption by metals in atomic absorption spectroscopy. It has been stated that this enhancement is caused by an increase in flame temperature. However, this temperature increase will not normally produce an increase in absorption. An alternate mechanism based on the combustion pattern of aqueous and organic solvents is proposed. The mechanism suggests that with organic solvents the emitting or absorbing species are produced more efficiently in the flame.

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