共 50 条
- [1] PHOTOMETRIC DETERMINATION OF NIOBIUM IN TANTALUMINDUSTRIAL LABORATORY, 1966, 32 (11): : 1606 - &ELINSON, SVPOBEDINA, LIREZOVA, AT
- [2] PHOTOMETRIC DETERMINATION OF NIOBIUM AND TANTALUM IN STEELSCHEMIST-ANALYST, 1966, 55 (01) : 19 - &JANOUSEK, ICECHOVA, D
- [3] PHOTOMETRIC-DETERMINATION OF TANTALUM IN THE PRESENCE OF NIOBIUMJOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1983, 38 (08): : 1100 - 1104AMELIN, VGCHERNOVA, RK
- [4] PHOTOMETRIC DETERMINATION OF NIOBIUM AND TANTALUM USING ALIZARIN RED SPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES INDIA SECTION A-PHYSICAL SCIENCES, 1970, 40 : 49 - &AGARWALA, BVDEY, AK
- [5] EXTRACTION-PHOTOMETRIC DETERMINATION OF NIOBIUM AND TANTALUM WITH THIOCYANATE AND TRIPHENYLGUANIDINEJOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1989, 44 (04): : 545 - 548VERDIZADE, NAAMRAKHOV, TI
- [6] PHOTOMETRIC-DETERMINATION OF TRACE QUANTITIES OF TANTALUM IN THE PRESENCE OF NIOBIUMJOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1984, 39 (03): : 381 - 385ANTONOVICH, VPCHERNYSHEVA, MAGOLIK, NNMALYUTINA, TMNOVOSELOVA, MM
- [7] EXTRACTION AND PHOTOMETRIC DETERMINATION OF NIOBIUM IN PRESENCE OF TANTALUM, TITANIUM AND IRONUKRAINSKII KHIMICHESKII ZHURNAL, 1970, 36 (12): : 1260 - &GORLACH, VFPYATNITS.IVKOSTYUCH.LP
- [8] EXTRACTION-PHOTOMETRIC DETERMINATION OF A TRACE IMPURITY OF TITANIUM IN NIOBIUM AND TANTALUMINDUSTRIAL LABORATORY, 1971, 37 (02): : 181 - &NAZARENK.VASHUSTOVA, MB
- [9] SPECTROPHOTOMETRIC DETERMINATION OF TANTALUM IN IRON, STEEL, AND NIOBIUM METALANALYTICAL CHEMISTRY, 1962, 34 (06) : 618 - &KAKITA, YGOTO, H
- [10] New method of tantalum and niobium separation, as objective proof and determination of small tantalum amounts in niobium compoundsZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 1926, 151 (03): : 221 - 238Powell, ARSchoeller, WR