Abstract：The researches on the determination of lanthanum by molecular spectrometry during 1990-2014 at home and abroad were reviewed, including ordinary photometry, kinetic photometry, fluorescence photometry, chemiluminescence photometry and calculation photometry. Ordinary photometry is currently the most popular method. Arsenazo and Chlorophosphonazo are the most common chromogenic reagents, in the meanwhile, more studies on novel chromogenic reagents such as 5-MasA-DBF are conducted. The systems of kinetic photometry and fluorescence photometry are increasing, too, because both have high sensitivity. The linear range of chemiluminescence photometry is wide, so the corresponding research also springs up. All these analysis methods are summarized and analyzed from the perspectives of systems, conditions, sensitivity as well as practical application, etc.
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