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- [33] SELECTIVE EXTRACTION SPECTROPHOTOMETRIC DETERMINATION OF URANIUM WITH CHLOROPHOSPHONAZO(III) ZEITSCHRIFT FUR CHEMIE, 1971, 11 (10): : 389 - &
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- [40] SIMULTANEOUS EXTRACTION AND SPECTROPHOTOMETRIC DETERMINATION OF TITANIUM WITH GALLIC AND OXALIC ACIDS INDIAN JOURNAL OF CHEMISTRY, 1972, 10 (08): : 870 - &