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Titolo:
Chemometric quantitative analysis of pyridoxine HCl and thiamine HCl in a vitamin combination by principal component analysis, classical least squares, and inverse least squares techniques
Autore:
Dinc, E; Baleanu, D; Onur, F;
Indirizzi:
Ankara Univ, Fac Pharm, Dept Analyt Chem, TR-06100 Ankara, Turkey Ankara Univ Ankara Turkey TR-06100 Analyt Chem, TR-06100 Ankara, Turkey Univ Cankaya, Fac Arts & Sci, Dept Math & Comp Sci, TR-06530 Ankara, Turkey Univ Cankaya Ankara Turkey TR-06530 & Comp Sci, TR-06530 Ankara, Turkey Inst Space Sci, Natl Inst Laser Plasma & Radiat Phys, R-76900 Bucharest, Romania Inst Space Sci Bucharest Romania R-76900 hys, R-76900 Bucharest, Romania
Titolo Testata:
SPECTROSCOPY LETTERS
fascicolo: 3, volume: 34, anno: 2001,
pagine: 279 - 288
SICI:
0038-7010(200105)34:3<279:CQAOPH>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
DERIVATIVE SPECTROPHOTOMETRY; PHARMACEUTICAL PREPARATIONS; MULTIVARIATE CALIBRATION; PREDICTION METHODS; MIXTURES;
Keywords:
chemometric quantitative analysis; pyridoxine hydrochloride; thiamine hydrochloride; principal component analysis; classical least square and inverse least square techniques;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Dinc, E Ankara Univ, Fac Pharm, Dept Analyt Chem, TR-06100 Ankara, Turkey Ankara Univ Ankara Turkey TR-06100 Chem, TR-06100 Ankara, Turkey
Citazione:
E. Dinc et al., "Chemometric quantitative analysis of pyridoxine HCl and thiamine HCl in a vitamin combination by principal component analysis, classical least squares, and inverse least squares techniques", SPECT LETT, 34(3), 2001, pp. 279-288

Abstract

Three chemometric techniques were described for the analysis of pyridoxinehydrochloride and thiamine hydrochloride within a vitamin combination in the presence of spectral interferences. For these techniques, the training set was prepared by using synthetic mixtures containing two vitamins in multiple possible combinations for the range of 8-40 mu /mL in 0.1 M HCl. The absorbance values for the training set were obtained by direct measurements at 18 wavelengths in the region 222-305 nm for the zero order spectra. The numerical values were calculated by using the 'Maple V' software. Mean recoveries and relative standard deviations for the principal component analysis, classical least squares and inverse least squares techniques were found as 100.7% and 0.95%; 100.5% and 1.38% and, 99.3% and 1.04 for pyridoxine hydrochloride; and 99.7% and 1.03%; 99.1% and 1.05% and, 99.6% and 1.58% for thiamine hydrochloride, respectively. These three chemometric techniques were successfully applied to vitamin tablets marketed in Turkey. The results were compared with each other and good coincidence was observed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/03/20 alle ore 22:50:42