Spectrofluorimetric determination of gallium with calon—carboxylic acid
摘要
A simple and sensitive spectrofluorimetric procedure for the analysis of microquantities of gallium in alloy wasdescribed. The method is based on the formation of Ga(Ⅲ)-CCA (calon-carboxylic acid) complex. The emission of thefluorescent complex was measured at λ = 620 nm with excitation at λ = 584 nm. A good linearity was found in the galliumrange of 0.7-280 ng/mL. The precision of the method is good and the relative standard deviation is 1.9% for a gallium stan-dard solution of 70 ng/mL. The procedure was proved to be suitable in terms of accuracy and selectivity for the mi-croamount of gallium in alloy.
引用本文（GB/T 7714）
GAOJinzhang, TIANJianniao, ZHAOYanchun, 等. Spectrofluorimetric determination of gallium with calon—carboxylic acid[J]. 稀有金属：英文版, 2003.
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