共 50 条
- [1] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM WITH SALICYLIC ACID FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1971, 253 (05): : 351 - &
- [2] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM WITH CHLORANILIC ACID FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1972, 261 (4-5): : 400 - +
- [7] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM BY FERRON INDIAN JOURNAL OF CHEMISTRY, 1973, 11 (12): : 1327 - 1328
- [9] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM IN ALLOYS INDUSTRIAL LABORATORY, 1958, 24 (08): : 1037 - 1041
- [10] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM(V) WITH TIRON AND 1, 2 DIAMINOCYCLOHEXANETETRAACETIC ACID NATIONAL ACADEMY SCIENCE LETTERS-INDIA, 1980, 3 (01): : 29 - 30