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- [1] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM IN PLATINUM-NIOBIUM ALLOYS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE FRESENIUS, 1969, 244 (04): : 235 - &
- [2] Extraction-spectrophotometric determination of niobium in magnetic alloys Inorganic Materials, 2014, 50 : 1405 - 1407
- [3] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM IN STEEL AND ALLOYS - ETCHING METHODS ANALES DE QUIMICA, 1979, 75 (06): : 565 - 568
- [5] PHOTOMETRIC AND DIFFERENTIAL SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM IN ALLOYS WITH PICRAMINE R INDUSTRIAL LABORATORY, 1966, 32 (06): : 795 - &
- [6] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM WITH TICHROMIN IN ALLOYS BASED ON VANADIUM AND TUNGSTEN INDUSTRIAL LABORATORY, 1971, 37 (02): : 178 - &
- [9] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM IN STEELS AND ALLOYS USING CHLOROPHOSPHONAZO-III ANALES DE QUIMICA, 1978, 74 (04): : 589 - 594
- [10] DETERMINATION OF MOLYBDENUM IN NIOBIUM-BASED ALLOYS BY A DIFFERENTIAL SPECTROPHOTOMETRIC METHOD INDUSTRIAL LABORATORY, 1967, 33 (01): : 18 - &