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- [4] THE COMPLEXOMETRIC DETERMINATION OF ZINC IN CONCENTRATES USING THE INDICATORS XYLENOL ORANGE AND METHYLTHYMOL BLUE INDUSTRIAL LABORATORY, 1959, 25 (12): : 1508 - 1511
- [8] EXTRACTION OF METAL-COMPLEXES WITH XYLENOL ORANGE AND METHYLTHYMOL BLUE BY MEANS OF CHLOROFORM SOLUTIONS OF MONOCARBOXYLIC ACIDS AND THEIR BROMINATED DERIVATIVES JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1974, 29 (10): : 1761 - 1762
- [10] EQUILIBRIA OF IRON(III) COMPLEXES WITH XYLENOL ORANGE AND METHYLTHYMOL BLUE JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1979, 41 (07): : 1011 - 1013