DIRECT AND DERIVATIVE SPECTROPHOTOMETRIC METHOD FOR YTTRIUM DETERMINATION IN DIFFERENT RARE EARTH CONCENTRATES

"Individual Separation of Yttrium and Dysprosium Oxides from the Rare Earths Product obtained from Xenotime Mineral Concentrate"

Effective Spectrophotometric Quantification of Yttrium Using Clayton Yellow Dye in Different Rare Earth Concentrates

Ion Chromatographic Determination of Gallium by Mixed Ion Exchanger

SEPARATION AND DETERMINATION OF THORIUM IN URANIUM MINERALIZATIONS USING A MIXED ION EXCHANGE COLUMN BY ION CHROMATOGRAPHY

Solvent Extraction of Yttrium from Rare Earths Concentrate Using Cyanex 272 and PC88A

Extraction of Some Rare Earth Elements Using an Environmental Friendly Method

Determination of Hexavalent Chromium using Bifunctional Ion Exchanger by Ion Chromatography

Determination of zirconium and hafnium in Egyptian monazite by ICP-OES

Preconcentration of Uranium (VI) By Chelateforming Sorbent and Its Photometric Determination with 2, 2', 3, 4-tetrahydroxy-3’-sulpho-5’-chlorazobenzol