Buscar
Mostrando ítems 21-30 de 255
Rapid estimation of gamma number of viscose by UV Spectrophotometry
(Associação Brasileira Técnica de Celulose e Papel, 2014-02)
Viscose process is the most important method for industrial cellulose dissolution. The degree of substitution (DS) is an important parameter in cellulose derivatives, and it is usually expressed as a gamma number (γ No.). ...
Development and validation of first derivative spectrophotometric method for quantification of darunavir in tablets
(2014)
Aims: Darunavir is widely used in HIV/AIDS therapy. It is a HIV protease inhibitor that has excellent efficacy against the virus. The aim of this study is to develop and validate an analytical method fast and free of ...
Electrochemical characterization of tacrine, an antialzheimer's disease drug, and its determination in pharmaceuticals
(2000)
Tacrine, 9-amino-1,2,3,4-tetrahydroacridine, an antialzheimer's disease agent was electrochemically studied and a polarographic method for its quantitative determination in pharmaceuticals was developed. Tacrine was ...