A SIMPLE SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF TETRACYCLINE AND DOXYCYCLINE IN PHARMACEUTICAL FORMULATIONS USING CHLORAMINE-T

by José Luiz Rufino, Flávio Cesar Bedatty Fernandes, Mayara S. Ruy, Helena Redigolo Pezza, Leonardo Pezza
Published 2018-04-01

A simple spectrophotometric method for the determination of methyldopa using p-chloranil in the presence of Hydrogen Peroxide

by Mara Andréia Gotardo, Liliane Spazzapam Lima, Rodrigo Sequinel, José Luiz Rufino, Leonardo Pezza, Helena Redigolo Pezza
Published 2018-04-01

Sequential injection analysis system with spectrophotometric detection for determination of norfloxacin and ciprofloxacin in pharmaceutical formulations

by José Luiz Rufino, Helena Redigolo Pezza, Leonardo Pezza, Paula C. A. G. Pinto, M. Lúcia M. F. S. Saraiva, José L. F. C. Lima
Published 2011-01-01