scholarly journals A new validated RP-HPLC method for the determination of Tinidazole and Roxithromycin in its bulk and pharmaceutical dosage forms

2020 ◽  
Author(s):  
N. M. D. Akram ◽  
N. Madana Gopal ◽  
A. Balakrishna ◽  
N. Bakthavatchala Reddy ◽  
Grigory V. Zyryanov
Keyword(s):  
Dosage Forms ◽  
Hplc Method ◽  
Pharmaceutical Dosage Forms ◽  
Rp Hplc

scholarly journals RP-HPLC Determination of Raloxifene in Pharmaceuticl Tablets

2006 ◽  
Vol 3 (1) ◽  
pp. 60-64 ◽  
Author(s):  
P. Venkata Reddy ◽  
B. Sudha Rani ◽  
G. Srinu Babu ◽  
J. V. L. N. Seshagiri Rao
Keyword(s):  
Flow Rate ◽  
Retention Time ◽  
Mobile Phase ◽  
Dosage Forms ◽  
Hplc Method ◽  
Reverse Phase Hplc ◽  
Reverse Phase ◽  
Pharmaceutical Dosage Forms ◽  
Rp Hplc

A reverse phase HPLC method is developed for the determination of Raloxifene in pharmaceutical dosage forms. Chromatography was carried out on an inertsil C18 column using a mixture of acetonitrile and phosphate buffer (30:70 v/v) as the mobile phase at a flow rate of 1 mL/min. Detection was carried out at 290 nm .The retention time of the drug was 10.609 min. The method produced linear responses in the concentration range of 0.5-200 µg/mL of Raloxifene. The method was found to be applicable for determination of the drug in tablets.

scholarly journals HPLC METHOD FOR SIMULTANEOUS DETERMINATION OF METFORMIN AND SITAGLIPTIN IN PHARMACEUTICAL DOSAGE FORMS AND ITS APPLICATIONS TO DISSOLUTION STUDY

2019 ◽  
Vol 3 (7) ◽  
Author(s):  
Hemraj Sharma ◽  
Boya Madhuri ◽  
Yiragamreddy Padmanabha Reddy ◽  
Kondareddy Vinod Kumar ◽  
Nanda Kishor Bhatta ◽  
...  
Keyword(s):  
Simultaneous Determination ◽  
High Performance ◽  
High Performance Liquid Chromatographic ◽  
Dosage Forms ◽  
Hplc Method ◽  
Uv Detector ◽  
Pharmaceutical Dosage Forms ◽  
Dissolution Study ◽  
Rp Hplc

A novel approach was used to develop and validate a rapid, specific, accurate and precise Reverse phase High performance liquid chromatographic (RP-HPLC) method for the simultaneous determination of Metformin and Sitagliptin in pharmaceutical dosage forms and its applications to dissolution study. The chromatographic separation was carried out on a C8 (250mm X 4.6 mm i.d., 5μm) column with a mobile phase of 40 Acetonitrile: 60 Phosphate Buffer (pH 6.8), using UV detector at 257 nm at 1ml min-1 flow rate. The retention time for Metformin was 2.11 minutes and 5.30 minutes for Sitagliptin. The Linearity for Metformin was found to be 10-80 µg ml-1 with R2 value of 0.9998 and for Sitagliptin 1-8 µg ml-1 with R2 value of 0.9976. Dissolution study of both for Metformin and Sitagliptin was carried, Percentage of drug release was established which was found to be 96.23% and 102.64% respectively, in the period of 50 minutes. Keywords: RP-HPLC, Metformin, Sitagliptin, Dissolution study

scholarly journals Validated RP-HPLC Method for the Determination of Ivabradine Hydrochloride in Pharmaceutical Formulation

2017 ◽  
Vol 9 (05) ◽  
Author(s):  
MD. Muzaffar -ur- Rehman1 ◽  
G. Nagamallika
Keyword(s):  
Mobile Phase ◽  
Dosage Forms ◽  
Hplc Method ◽  
Pharmaceutical Formulation ◽  
Intermediate Precision ◽  
Pharmaceutical Dosage Forms ◽  
Rp Hplc ◽  
Ich Guidelines ◽  
Bulk Drug

A simple, rapid, precise, and accurate RP-HPLC method for the estimation of Ivabradine Hydrochloride an anti-anginal agent, both as a bulk drug and in pharmaceutical formulation was developed. The chromatographic separation was achieved on a Thermosil C18 150 × 4.5 mm, 5μm column by using a mobile phase containing a mixture of methanol and phosphate buffer pH 6.5 in the ratio of 65:35 % v/v at a flow rate of 1ml/min and at an ambient temperature. The detection was monitored at a wavelength of 265nm. A clear chromatographic peak was identified with the retention time of 4.36 min and tailing factor of 1.23. The developed method was validated according to ICH guidelines with respect to specificity, linearity, accuracy, precision and robustness. The method shows a good linear relationship with correlation co-efficient of more than 0.992 in the concentration range of 30μg-150μg. The method showed mean % Recovery of 100.4% and %RSD for repeatability and intermediate precision was less than 2%. The proposed method can be used successfully for the quantitative determination of Ivabradine HCL in pharmaceutical dosage forms.

Validation of RP-HPLC Method for Determination of Sofosbuvir in Bulk and Pharmaceutical Dosage Forms

2020 ◽  
Vol 13 (2) ◽  
pp. 4826-4830
Author(s):  
Abrar Ahmed ◽  
◽  
Tayyaba Mahtab ◽  
Sumaiyya Saleem ◽  
Mohammed Dilawar Khan ◽  
...  
Keyword(s):  
Dosage Forms ◽  
Hplc Method ◽  
Pharmaceutical Dosage Forms ◽  
Rp Hplc
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