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

Química Nova

Ieda Spacino Scarminio¹  Dilson Norio Ishikawa¹  Wagner José Barreto¹  Édio Luiz Paczkowski¹  Iara Cintra Arruda¹ 

[1],Universidade Estadual de Londrina Departamento de Química Londrina PR

关键词: factor analysis;    aminoacids;    overlapped bands;   

DOI  :  10.1590/S0100-40421998000500011

来源: SciELO

【 摘 要 】

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.

【 授权许可】

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