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Appala Raju, S.
- Simultaneous Spectrophotometric Estimation of Formoterol Fumarate and Budesonide in Combined Dosage Form
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Authors
Affiliations
1 Dept. of Pharmaceutical Analysis, H.K.E. Society’s College of Pharmacy, Sedam Road, Gulbarga-585 105 (K.S.), IN
1 Dept. of Pharmaceutical Analysis, H.K.E. Society’s College of Pharmacy, Sedam Road, Gulbarga-585 105 (K.S.), IN
Source
Asian Journal of Research in Chemistry, Vol 4, No 6 (2011), Pagination: 905-907Abstract
Asimple, accurate, cost effective and reproducible spectrophotometric method; Q Analysis (Absorbanceratio), has been developed for the simultaneous estimation of formoterol fumarate and Budesonide in ro t o c ap dosage form. Method involves formation of 'Q-absorbance Equation' at 257.0 nm (λmax of formoterol fumarate) and 278.0 nm (isoabsorptive point) in distilled water. Beer's law were obeyed (at isoabsorptive point) in the concentration range of 2-20μg /ml for formoterol fumarate having line equation y=0.04950x+0.03520 with correlation coefficient of 0.99987 and 4-40μg/ ml for Budesonide having line equation y=0.10246x+0.03990 with correlation coefficient of 0.99925. The developed method was validated as per ICH guide lines with respect to linearity, accuracy (recovery), precision and specificity.The percentage recovery of formoterol fumarate ranged from (98.67±0.2421) and Budesonide ranged from (98.54±0.3330) in tablet dosage form. By treating the data statistically and by recovery study, results of study were validated.Keywords
Spectrophotometric Simultaneous Estimation, Formoterol Fumarate (FF) Budesonide (BD), Q-Analysis, Absorbance Ratio.- Determination of Diacerein by a Simple Isocratic RP-HPLC Method
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Authors
Arvind B. Karadi
1,
M. Kalpana Jyothi
1,
Ch. Shiva Kumar
1,
S. Appala Raju
1,
Shobha Manjunath
1,
Ashok L. Ganure
2
Affiliations
1 Matoshree Tarabai Rampure Institute of Pharmaceutical Sciences, Gulbarga-585105 (K.S.), IN
2 K.J. College of Pharmacy, Vadasma (North Gujarat), IN
1 Matoshree Tarabai Rampure Institute of Pharmaceutical Sciences, Gulbarga-585105 (K.S.), IN
2 K.J. College of Pharmacy, Vadasma (North Gujarat), IN
Source
Asian Journal of Research in Chemistry, Vol 3, No 3 (2010), Pagination: 581-584Abstract
A Simple and precise reverse phase high performance liquid chromatographic (RP-HPLC) method was developed and validated for the quantitative determination of Diacerein in bulk and its pharmaceutical formulations. Chromatographic separation was performed by using column XDB C8 (4.6×150 mm, 5 μm) with a mobile phase comprising of a mixture of phosphate buffer and Acetonitrile (50:50,v/v) and pH adjusted to 3 with orthophosphoric acid, at a flow rate of 0.8 ml/min with detection at 254 nm. Separation was completed in less than 10 min. As per ICH guidelines the method was validated for linearity, accuracy, precision, limit of quantitation, limit of detection, ruggedness and robustness. Linearity of Diacerein was found to be in the range of 10-100 μg/ml and correlation coefficient was found to be 0.999. The retention time of Diacerein was 3.3 min; the separation was performed at an ambient temperature. The limit of Detection and limit of quantitation for Diacerein was found to be 3.6 and 9.95 (S/N ratio). There was no significant difference in the intraday and inter day analysis of Diacerein determined for five different concentrations using this method. The RSD value 0.3% indicates a high precision of the analytical method. The proposed method was simple, sensitive, precise, accurate and useful for routine quality control analysis.Keywords
Diacerein, RP-HPLC.- New Spectrophotometric Methods for the Estimation of Cefditoren Pivoxil
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Authors
Affiliations
1 HKE’s College of Pharmacy, Gulbarga-585105 (KS), IN
1 HKE’s College of Pharmacy, Gulbarga-585105 (KS), IN