1. THE USE OF ORGANODITHIOPHOSPHORIC ACIDS FOR SEPARATION AND DETERMINATION OF SOME METAL IONS FROM RESIDUAL WATERS. Authors: MARIA-LOREDANA SORAN, MARIA CURTUI, IOVANCA HAIDUC, DIANA GHERMAN.2. TLC SEPARATION OF TH(IV) AND LANTHANIDES(III) ON VARIOUS STATIONARY PHASES USING HDEHDTP AS COMPLEXING AGENT. Authors: MARIA-LOREDANA SORAN, MARIA CURTUI, DIANA GHERMAN.