Calibração multivariada para sistemas com bandas sobrepostas através da análise da fatores do tipo Q


Autoria(s): Scarminio,Ieda Spacino; Ishikawa,Dilson Norio; Barreto,Wagner José; Paczkowski,Édio Luiz; Arruda,Iara Cintra
Data(s)

01/10/1998

Resumo

A multivariate calibration method to determine chemical compositions of systems with severely overlapped bands is proposed. Q mode factors are determined from the spectral data and subsequently rotated using the varimax and oblique transformation of Imbrie. The method is applied to two sets of simulated data to test the sensitivity of analytical results to random experimental error. The chemical concentrations of alanine and threonine mixture are determined from spectral data of the 302,5 - 548,5 nm region.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421998000500011

Idioma(s)

pt

Publicador

Sociedade Brasileira de Química

Fonte

Química Nova v.21 n.5 1998

Palavras-Chave #factor analysis #aminoacids #overlapped bands
Tipo

journal article