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- [4] INORGANIC CHROMATOGRAPHY ON CELLULOSE .12. THE QUANTITATIVE DETERMINATION OF TANTALUM AND NIOBIUM IN COMPLEX MINERALS, ORES, AND SYNTHETIC MATERIALS JOURNAL OF THE CHEMICAL SOCIETY, 1952, (AUG): : 3155 - 3163
- [7] INORGANIC CHROMATOGRAPHY ON CELLULOSE .13. DETERMINATION OF TANTALUM AND NIOBIUM IN LOW-GRADE PHOSPHATIC AND SILICEOUS ORES JOURNAL OF THE CHEMICAL SOCIETY, 1952, (SEP): : 3399 - 3403