STUDIES ON DERIVATIVE FLUORIMETRY Ⅳ. DETERMINATION OF TRACE AMOUNT OF TERBIUM THROUGH ITS TERNARY CO

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Terbium can form a ternary complex having a ratio of 1:1:1 with acetylacetone and EDTA. By adding cetyl pyridinium chloride into the above system, a marked enhancement of fluorescence intensity is observed and the ternary complex becomes more stable than
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