Wagna Santos
graduate at from Universidade Federal da Bahia (2001), master\'s at Chemistry from Universidade Federal da Bahia (2003) and ph.d. at Chemistry from Universidade Federal da Bahia (2007). Has experience in Chemistry, focusing on Analytical Chemistry, acting on the following subjects: icp oes, preparo de amostras, leguminosas and elementos essenciais e tóxicos.