FIELD: chemistry.
SUBSTANCE: luminescent method of determining dysprosium involves conversion thereof into a luminescent complex with an organic reagent in form of 1,2-dioxybenzene-3,5-disulphonic acid and adding ethylenediaminetetraacetic acid to the luminescent complex, with the following ratio of components: Dy:DBSA:EDTA=1:1:1, to obtain pH of 12-13.
EFFECT: high sensitivity, selectivity and accuracy of analysis.
1 ex
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