共 50 条
- [31] Spectrophotometric Determination of Europium, Terbium and Yttrium in a Perchloric Acid Solution by the Kalman Filter Approach Analytical Sciences, 1999, 15 : 1123 - 1127
- [32] 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
- [35] Simultaneous preconcentration flotation-separation and spectrophotometric determination of thorium, lanthanum and yttrium in some geological and enviromental samples Journal of the Iranian Chemical Society, 2004, 1 : 79 - 87
- [38] SPECTRAL DETERMINATION OF YTTRIUM IN CHROMIUM-YTTRIUM COATINGS INDUSTRIAL LABORATORY, 1976, 42 (11): : 1715 - 1715
- [39] Spectrophotometric and extraction-spectrophotometric Determination of selenium CHEMICKE LISTY, 1998, 92 (09): : 729 - 734