Fine powders of γ-Fe<sub>2</sub>O<sub>3</sub>,doped with Y<sub>2</sub>O<sub>3</sub>,CeO<sub>2</sub>,Eu<sub>2</sub>O<sub>3</sub> or Tb<sub>2</sub>O<sub>3&
Four monoalkyl esters of isoalkylphosphonic acids have been studied for the chromatographic separation ofrare earths (RE).The relationship between distribution ra
p-Methoxybenzoyl-benzoylmethane(HA)and its complexes LnA<sub>4</sub>QH and LnA<sub>3</sub>·xH<sub>2</sub>O(for Ln=La~Yb,Q=n-tributyl amine,diethyl amine,hexahy
The keratins of wool underwent Photooxidation to form a weaker luminophor in visible blue region(λ<sub>max</sub>=420nm),that reacts with cerium ion to produce
The development and application of rare earth aluminium alloys began in the 1960s in China.The represen-tative work was the usage of rare earth metals in alumin