Abstract
Pharmaceutical industry concerned recently with eco-friendly analytical methods to reduce the environmental pollution. The using of toxic organic solvents for the analysis of drugs is critical. In the current work, several simple and less costly approaches such as micellar and/or cyclodextrin liquid chromatography were discussed. A new eco-friendly and simple chromatographic analysis of the ternary mixture of amiloride hydrochloride (AM), atenolol (AT), and hydrochlorothiazide (HZ) in urine by hydroxypropyl-beta-cyclodextrin (HP-β-CD) bonded stationary phase was investigated. The experimental conditions were optimized and validated based on International Conference on Harmonization (ICH) Q2R1 guidelines to detect analytes by isocratic mobile phase of phosphate buffer (5.0 mmol L−1, pH 7.0) in the presence of 0.5 mL min−1 flow rate, 25.0 °C, and 280 nm. Linearity, accuracy, and precision were found to be acceptable over the concentration range of 0.05–20.0 μg mL−1 for AM, 0.05–50.0 μg mL−1 for AT and 0.05–...
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