共 50 条
- [1] EXTRACTION-PHOTOMETRIC DETERMINATION OF NIOBIUM (V) WITH BENZOHYDROXAMIC ACID ZHURNAL ANALITICHESKOI KHIMII, 1970, 25 (10): : 1918 - &
- [2] BENZENESULPHOHYDROXAMIC ACID AS AN EXTRACTION-PHOTOMETRIC REAGENT FOR NIOBIUM (V) ZHURNAL ANALITICHESKOI KHIMII, 1971, 26 (11): : 2145 - +
- [4] EXTRACTION-PHOTOMETRIC DETERMINATION OF NIOBIUM AS ITS COMPLEX WITH PYROCATECHOL AND DIMEDROL JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1976, 31 (12): : 1797 - 1798
- [5] EXTRACTION-PHOTOMETRIC DETERMINATION OF NIOBIUM AND TANTALUM WITH THIOCYANATE AND TRIPHENYLGUANIDINE JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1989, 44 (04): : 545 - 548
- [6] SELECTIVE EXTRACTION-PHOTOMETRIC DETERMINATION OF NIOBIUM IN NATURAL AND ENGINEERING MATERIALS INDUSTRIAL LABORATORY, 1992, 58 (08): : 701 - 702
- [7] EXTRACTION-PHOTOMETRIC DETERMINATION OF A TRACE IMPURITY OF TITANIUM IN NIOBIUM AND TANTALUM INDUSTRIAL LABORATORY, 1971, 37 (02): : 181 - &
- [8] STUDY OF CONDITIONS FOR EXTRACTION-PHOTOMETRIC DETERMINATION OF NIOBIUM IN FORM OF TRIOXYFLUORONATES ZAVODSKAYA LABORATORIYA, 1972, 38 (12): : 1427 - 1430
- [9] DIFFERENT-LIGAND COMPLEXES OF IRON(III) WITH GALLIC ACID AND ANILINE - EXTRACTION-PHOTOMETRIC DETERMINATION OF IRON JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1978, 33 (02): : 260 - 263
- [10] STUDY OF COMPLEX FORMATION OF TITANIUM(IV) WITH PYROCATECHOL AND ANILINE EXTRACTION-PHOTOMETRIC DETERMINATION OF TITANIUM ZHURNAL ANALITICHESKOI KHIMII, 1972, 27 (04): : 692 - +