2014
DOI: 10.1590/s1984-82502014000200022
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Development and validation of a dissolution method using HPLC for diclofenac potassium in oral suspension

Abstract: The present study describes the development and validation of an in vitro dissolution method for evaluation to release diclofenac potassium in oral suspension. The dissolution test was developed and validated according to international guidelines. Parameters like linearity, specificity, precision and accuracy were evaluated, as well as the influence of rotation speed and surfactant concentration on the medium. After selecting the best conditions, the method was validated using apparatus 2 (paddle), 50-rpm rota… Show more

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“…Many reports have described LC methods for the determination of diclofenac sodium or diclofenac potassium and other drugs in pharmaceutical formulations (Ye and Zhang 2000;Krzek and Starek 2002;Bisas and Basu 2010;Elkady 2010;Gowramma et al 2010;Khatal et al 2010;Rele et al 2011;Ambekar, Choudhari, and Ingale 2012;Chaple et al 2012;Panda, Patanaik, and Ravi Kumar 2012;Rubim et al 2013;Shaalan and Belal 2013;Belal et al 2014;Rubim et al 2014). Here these impurities were investigated together for the first time.…”
Section: Introductionmentioning
confidence: 99%
“…Many reports have described LC methods for the determination of diclofenac sodium or diclofenac potassium and other drugs in pharmaceutical formulations (Ye and Zhang 2000;Krzek and Starek 2002;Bisas and Basu 2010;Elkady 2010;Gowramma et al 2010;Khatal et al 2010;Rele et al 2011;Ambekar, Choudhari, and Ingale 2012;Chaple et al 2012;Panda, Patanaik, and Ravi Kumar 2012;Rubim et al 2013;Shaalan and Belal 2013;Belal et al 2014;Rubim et al 2014). Here these impurities were investigated together for the first time.…”
Section: Introductionmentioning
confidence: 99%