1. Department of Chemistry/CCET; Laboratory of Materials and Calorimetry, Federal University of Sergipe; CEP 49100-000 São Cristóvão Sergipe Brazil
2. Department of Chemistry; Federal University of Paraná; CEP 81531-990 Curitiba Brazil
3. National Institute of Science and Technology-Energy and Environment E&A; Salvador Bahia Brazil
4. École des Mines d'Alès (EMA); Centre des Matériaux des Mines d'Alès (C2MA) 6; avenue de Clavières 30319 Alès Cedex France