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- [3] Extraction-spectrophotometric determination of niobium in magnetic alloys Inorganic Materials, 2014, 50 : 1405 - 1407
- [5] EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF VANADIUM IN CONC SODIUM-CHLORIDE SOLUTIONS FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1976, 282 (05): : 462 - 462