By aspirating organic solvents into air-hydrogen flame, numerous carbon containing radicals were produced in the flame. A few of them like C2, and CH3 were identified by their emission and absorption bands in the flame spectra and their relative strength were determined at different flame conditions. The absorption of methyl radicals at 216 nm was found closely related to the depression in the tin absorption. By measuring the free hydrogen atoms and hydroxyl radicals by emission, it has been found that the concentration of atomic hydrogen was affected by organic solvents in a similar manner to the tin absorption signal.
JAMIL ANWAR ,I L MARR ,
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