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Optimization of the RP-HPLC method for multicomponent analgetic drug determination.

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Authors
Ivanović, D
Medenica, Mirjana
Malenović, Anđelija
Jančić, Biljana
Misljenović, D
Article (Published version)
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Abstract
The optimization of RP-HPLC method defined the simultaneous influence of some important conditions, such as the mobile phase composition, pH of the mobile phase and temperature, on the separation and determination. The RP-HPLC method was done for the determination of paracetamol, caffeine and propyphenazone in a multicomponent pharmaceutical dosage form. The separation factor values define the optimal conditions, which were confirmed by analysing the appropriate mathematical models. The chromatographic system Hewlett Packard 1100 consisted of a HP 1100 pump, HP 1100 UV-VIS detector and HP integrator. Separations were performed on a Beckman Ultrasphere ODS 4.6 x 150 mm, 5 microns particle size column. Samples were introduced through a Rheodyne injector valve with a 20 microL sample loop. UV detection was performed at 265 nm and phenobarottons was used as an internal standard. The optimization was performed within the pH range from 2.5 to 6.0; temperature range from 20 degrees C to 55 de...grees C and composition of the mobile phase methanol-water from (30:70 V/V) to (65:35 V/V). The three-D graphs, constructed with sixty-four experimental points, confirmed the optimal conditions for the determination of the investigated analgetic drugs.

Source:
Bollettino chimico farmaceutico, 2003, 142, 9, 386-389

ISSN: 0006-6648

Scopus: 2-s2.0-1542715918
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http://farfar.pharmacy.bg.ac.rs/handle/123456789/460
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  • Radovi istraživača / Researchers’ publications
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Pharmacy

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