Marclio Dos Santos Tavares*, Antonio de Souza Arajo and Valter Jose Fernandes Jnior Department of Chemistry – Federal University of the Rio Grande of the North – Department of Chemistry? CEP: 59078 – 970 – Native – RN, Brazil. Credit: Marko Dimitrijevic-2011. INTRODUCTION colorimtrica Analysis is based on the change in the intensity of the […]

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