Uso de redes neurais recorrentes na determinação das constantes de acidez para a 7-epiclusianona em misturas etanol-água


Autoria(s): Costa,Éderson D' Martin; Lemes,Nelson Henrique Teixeira; Santos,Marcelo Henrique dos; Braga,João Pedro
Data(s)

01/01/2012

Resumo

This work propose a recursive neural network to solve inverse equilibrium problem. The acidity constants of 7-epiclusianone in ethanol-water binary mixtures were determined from multiwavelength spectrophotmetric data. A linear relationship between acidity constants and the %w/v of ethanol in the solvent mixture was observed. The proposed method efficiency is compared with the Simplex method, commonly used in nonlinear optimization techniques. The neural network method is simple, numerically stable and has a broad range of applicability.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000100017

Idioma(s)

pt

Publicador

Sociedade Brasileira de Química

Fonte

Química Nova v.35 n.1 2012

Palavras-Chave #inverse problem #acidity constants #dynamical optimization
Tipo

journal article