TY - JOUR T1 - Exploring the Versatility of an Atomic Absorption Spectrometer: Application to Direct Molecular Determination of Caffeine and Propranolol JO - Journal of the Brazilian Chemical Society A1 - Ferreira, Bruno L. A1 - Vitali, Luciano A1 - Chaves, Eduardo S. SN - 0103-5053 UL - 10.5935/0103-5053.20150312 VL - 27 Y1 - 2016 PB - Brazil ER -