Based on Archimedes principle, the densities of Na2WO4-WO3-ZnO melts at a fixed mole ratio of 3.43 of Na2WO4 to ZnO were measured. The results indicated that th
The reaction behavior of forming the hetero-nuclear β-type chelates of rare earth ions (RE3+) with p-sulphoaminobromophosphonazo(BPA-pSN) in ClCH2COOH-CH3COONa