RAPID-DETERMINATION OF MILLIGRAM AMOUNTS OF URANIUM IN ORGANIC COMPLEXES WITH PYRIDINE-2,6-DICARBOXYLIC ACID AS TITRANT AND ARSENAZO-I AS INDICATOR AFTER OXYGEN-FLASK COMBUSTION

被引:30
作者
CELON, E [1 ]
DEGETTO, S [1 ]
MARANGONI, G [1 ]
BARACCO, L [1 ]
机构
[1] CNR,CHIM & TECHNOL RADIOELEMENTI LAB,I-35100 PADUA,ITALY
关键词
D O I
10.1016/0039-9140(79)80239-8
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A method is described which allows the determination of uranium in organic complexes following decomposition by the oxygen-flask procedure. Uranium is quantitatively determined by a direct titration with 0.01M pyridine-2,6-dicarboxylic acid, arsenazo I being used as the indicator. The end-point is sharp and the equilibrium is rapidly attained, so the titration can be carried out rapidly. The method is simple, rapid and highly reproducible. © 1979.
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页码:160 / 162
页数:3
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