1. Carboxylic acids as reagents for the solvent extraction of metals;Fletcher,1965
2. Extraction of metals by carboxylic acids;Flett,1973
3. A review of the use of carboxylic acids as extractants for the separation of metals in commercial liquid-liquid extraction operations;Ashbrook;Sci. Eng.,1973
4. Carboxylic acids as metal extractants;Miller;Talanta,1974
5. Recent developments and potential uses for carboxylic acid extractants — A review;Rice;Hydrometallurgy,1978