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- [1] SPECTROPHOTOMETRIC DETERMINATION OF THE SUM OF RARE-EARTH ELEMENTS AND YTTRIUM SUBGROUP ELEMENTS IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA, 1981, 24 (11): : 1448 - 1450
- [2] SPECTROPHOTOMETRIC IDENTIFICATION OF COBALT IN ALLOYS IN PRESENCE OF ELEMENTS OF AN YTTRIUM SUBGROUP ZAVODSKAYA LABORATORIYA, 1973, (01): : 17 - 18
- [3] SPECTROPHOTOMETRIC DETERMINATION OF ELEMENTS OF YTTRIUM SUBGROUP IN PRESENCE OF CERIUM WITH AID OF XYLENOL ORANGE AND CETYLPYRIDINIUM CHLORIDE INDUSTRIAL LABORATORY, 1978, 44 (04): : 452 - 454
- [5] Extraction of Yttrium-Subgroup Rare Earth Elements with Aliquat 336 Russian Journal of Applied Chemistry, 2021, 94 : 903 - 910
- [7] SPECTROPHOTOMETRIC DETERMINATION OF LANTHANUM BY MEANS OF CHLORPHOSPHONAZO IN PRESENCE OF SCANDIUM, YTTRIUM, AND YTTRIUM SUBGROUP RARE-EARTHS JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1976, 31 (06): : 925 - 931
- [8] SPECTROPHOTOMETRIC DETERMINATION OF YTTRIUM ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS, 1971, 43 (3-4): : 575 - &
- [9] QUANTITATIVE SPECTRAL DETERMINATION OF YTTRIUM AND RARE-EARTH ELEMENTS OF YTTRIUM SUBGROUP IN ORES AND MINERALS INDUSTRIAL LABORATORY, 1966, 32 (04): : 523 - &
- [10] EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF ACTIVATING ADDITIVES OF RARE-EARTH ELEMENTS AND YTTRIUM IN MAGNESIUM-ALUMINUM SPINEL JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1980, 35 (02): : 178 - 180