Abstract
The flames of active nitrogen with IBr and ICl are spectroscopically very similar to the flame with I 2 . The emission consists of bands and continua of both the interhalogen and molecular iodine, extending from 2100to about 6000with maximum intensity near 4000 , plus several atomic iodine lines. Measurements of flame-emission intensity under varying conditions show that the excitation mechanism in the IBr flame is very similar to that which has been proposed for I 2 , but that excitation of ICl may involve a different mechanism. Measured values of the rate constants for reaction of atomic nitrogen with IBr, ICl, I 2 , Br 2 , and Cl 2 are compared and discussed.
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