Simultaneous microemulsion liquid chromatographic analysis of fat-soluble vitamins in pharmaceutical formulations: Optimization using genetic algorithm

F Momenbeik, M Roosta, AA Nikoukar - Journal of Chromatography A, 2010 - Elsevier
An environmentally benign and simple method has been proposed for separation and
determination of fat-soluble vitamins using isocratic microemulsion liquid chromatography …

Rapid determination of water-and fat-soluble vitamins with microemulsion electrokinetic chromatography

C Yin, Y Cao, S Ding, Y Wang - Journal of Chromatography A, 2008 - Elsevier
A rapid, reliable and reproducible method based on microemulsion electrokinetic
chromatography (MEEKC) for simultaneous determination of 13 kinds of water-and fat …

Separation and determination of Vitamins E and A in multivitamin syrup using micellar liquid chromatography and simplex optimization

F Momenbeik, Z Momeni, JH Khorasani - Journal of Pharmaceutical and …, 2005 - Elsevier
A rapid method has been described for separation and determination of Vitamins A and E
using micellar liquid chromatography (MLC). Influence of temperature of column and …

[HTML][HTML] Simultaneous micellar liquid chromatographic analysis of seven water-soluble vitamins: optimization using super-modified simplex

AR Ghorbani, F Momenbeik, JH Khorasani… - Analytical and …, 2004 - Springer
A super-modified simplex (SMS) method has been used to optimize the mobile phase used
for separation of seven water-soluble vitamins in multivitamin tablets by gradient micellar …

[HTML][HTML] Rapid determination of water-soluble and fat-soluble vitamins in commercial formulations by MEEKC

MS Aurora-Prado, CA Silva, MFM Tavares, KD Altria - Chromatographia, 2010 - Springer
Microemulsion electrokinetic capillary chromatography has been successfully applied to the
separation and determination of water-soluble vitamins (thiamine hydrochloride, riboflavin …

Suitable conditions for liquid-phase microextraction using solidification of a floating drop for extraction of fat-soluble vitamins established using an orthogonal array …

HR Sobhi, Y Yamini, A Esrafili, RHHB Abadi - Journal of Chromatography A, 2008 - Elsevier
A simple, rapid and efficient microextraction method for the extraction and determination of
some fat-soluble vitamins (A, D2, D3) in aqueous samples was developed. For the first time …

Comparison of micellar and microemulsion electrokinetic chromatography for the analysis of water-and fat-soluble vitamins

JM Sánchez, V Salvadó - Journal of Chromatography A, 2002 - Elsevier
Separation and determination of water-and fat-soluble vitamins by micellar (MEKC) and
microemulsion electrokinetic chromatography (MEEKC) are compared. MEKC is only useful …

Development of coupled ultrasound‐assisted and reversed‐phase dispersive liquid–liquid microextraction before high‐performance liquid chromatography for the …

N Goudarzi, S Farsimadan… - Journal of separation …, 2015 - Wiley Online Library
A new approach based on the ultrasound‐assisted reversed‐phase dispersive liquid–liquid
microextraction technique is developed for the extraction and determination of vitamin A and …

[HTML][HTML] Study of retention mechanism of a mixed-mode stationary phase and its application for the simultaneous determination of ten water-and fat-soluble vitamins …

XT Peng, Z Li, Y Zhang, T Liu, QW Yu, YQ Feng - Chromatographia, 2013 - Springer
A novel mixed-mode stationary phase (OAS) has been prepared by bonding n-octyl and
aminopropyl groups with the surface of silica gel. The obtained OAS stationary phase was …

Determination of eight water-and fat-soluble vitamins in multi-vitamin pharmaceutical formulations by high-performance liquid chromatography

P Moreno, V Salvado - Journal of chromatography A, 2000 - Elsevier
In the present work, a reversed-phase high-performance liquid chromatographic procedure
has been developed for the determination of water-soluble vitamins (thiamine hydrochloride …