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The Chemical and physical phenomena and the principles applied in qualitative analysis to identify ions in aqueous solution are the same ones used in quantitative analysis of different samples and are still used in many official reference methods, including instrumental methods or procedures. This shows the importance of knowledge of the fundamentals of qualitative analysis, requiring the teacher to get the students’ attention for their practical applications. Below are some brief descriptions of methods and procedures as suggestions for class discussion.

qualitative analytical chemistry, quantitative analytical chemistry, concepts, applications, experiments, learning, testing methods, ASTM, AOAC, RSC.

João Carlos de Andrade
Universidade Estadual de Campinas, Instituto de Química
Terezinha Ribeiro Alvim
Centro Federal de Educação Tecnológica de Minas Gerais, Departamento de Química – CEFET-MG