Abstract
AbstractVarious applications of laser‐enhanced ionization (LEI) in analytical chemistry are reviewed. This technique was applied to determine some physical quantities associated with a flame through development of an appropriate model. Determinations of flame temperature and atomization efficiency of an element in the flame are examples. As trace analysis is an important application of this technique, we compare the ion yield induced in a two‐step LEI with that in a one‐step LEI. The factors governing the ion enhancement via two‐step excitation are examined in order to make efficient use of the two‐step LEI apparatus. A novel technique was designed to couple flow‐injection analysis to a conventional LEI device; in this manner, electrical interference, a severe problem inherent in LEI, was successfully removed.
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