Journal
BIOINTERFACE RESEARCH IN APPLIED CHEMISTRY
Volume 10, Issue 6, Pages 6669-6675Publisher
BIOINTERFACE RESEARCH APPLIED CHEMISTRY
DOI: 10.33263/BRIAC106.66696675
Keywords
Valsartan; Atenolol; HPLC/UV; Dissolution test; Validation
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Funding
- Ministry of Health of Ukraine Fund [509 24.02.2020]
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The main purpose of this study was to develop and validate an efficient HPLC/UV method for determination of valsartan and atenolol and to introduce the dissolution profiles of tablets; The resolution of peaks was best achieved with Zorbax CS (4.6 mm i.d. X 150 mm. 5 mu m) column. Samples were chromatographed in a isocratic mode (methanol and 25 mM solution potassium dihydrogen phosphate pH 7.3 (55:45, V/V)), pumped with 1.0 mL/min at 40 degrees C set temperature of column oven, with UV detector set to 225 nm a wavelength; The total chromatographic run time as 6 minutes. The retention time of valsartan is 1.753 min, atenolol - 3.064 min. Linearity was examined and proven at different concentration levels in the range of working concentration of valsartan ( 0.16-0.96 mg/mL) and atenolol (0.2-1.2 mg/mL). The high value of recoveries obtained for valsartan and atenolol indicates that the proposed method was found tobe accurate. In all three dissolution media the releases of valsartan and atenolol are more than 85% in 15 min A rapid, simple, accurate, selective, and sensitive method was developed for the determination of valsartan and atenolol in dosage forms. The method was strictly validated according to the ICH guidelines. Acquired results demonstrate that proposed strategy can be effortlessly and advantageously applied for routine quality control of drugs and in vitro dissolution study.
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