Vol 94 (4-6) July-December, 2006

Masthead, index and editorial page
Regular Papers
|  | Mean Amplitudes of Vibration of the BrO3F2 Anion Baran, E. J. pp. 1-4  | 
|  | Synthesis, Growth and Characterization of New 1,3,4 -Thiadiazole-5-(N-Substituted)-Sulfonamides Crystals Camí, G.E.; Ramírez de Arellano, M.del C.; Fustero, S.; Pedregosa, J.C. pp. 5-17  | 
|  | Aggregation in Dodecyltrimethylammonium Bromide – Didodecyldimethylammonium Bromide Aqueous Mixtures Proverbio, Z.E.; Messina, P.V.; Ruso, J.; Prieto, G.; Schulz, P.C.; Sarmiento, F. pp. 19-30  | 
|  | QSPR Evaluation of Thermodynamic Properties of Acyclic and Aromatic Compounds Duchowicz, P.R.; Castro, E.A.; Fernández, F.M.; Pankratov, A.N. pp. 31-45  | 
|  | On the Symmetry of Bis Benzene Chromium(0) with D6D Point Group Hamadanian, M.; Ashrafi, A.R. pp. 47-53  | 
|  | Surface Resistance Study of the Different Interactions of ClO4-, SO42-, C6H5SO3- and Cu(II) with a Gold Surface Partially Blocked with Poly(-O-Aminophenol) Tucceri, R. pp. 55-70  | 
|  | Scale-Up of a Pilot Plant for Adsorption of Heavy Metals Moreno-Piraján; J.C.; Rangel, D.; Amaya, B.; Vargas, E.M.; Giraldo, L. pp. 71-82  | 
|  | Determination of Lead in the Parana River by Solid Phase Spectrophotometry Pellerano, R.G.; Romero, C.H.; Acevedo, H.A.; Vazquez, F.A.; Marchevsky, E.J. pp. 83-90  | 
Letter
|  | Mercury Contamination of Workers of Gold Processing Centres at El Callao, Venezuela Carrasquero-Durán, A. pp. 91-100  | 
