Naji Rashid, Q., Hamza Bakir, M., Omar Baban, S. (2016). Spectrophotometric determination of Diclofenac Sodium in pure form and in the pharmaceutical preparations. Alustath, 21(3), 76-80.
Qabas Naji Rashid; Mohsin Hamza Bakir; Shirwan Omar Baban. "Spectrophotometric determination of Diclofenac Sodium in pure form and in the pharmaceutical preparations". Alustath, 21, 3, 2016, 76-80.
Naji Rashid, Q., Hamza Bakir, M., Omar Baban, S. (2016). 'Spectrophotometric determination of Diclofenac Sodium in pure form and in the pharmaceutical preparations', Alustath, 21(3), pp. 76-80.
Naji Rashid, Q., Hamza Bakir, M., Omar Baban, S. Spectrophotometric determination of Diclofenac Sodium in pure form and in the pharmaceutical preparations. Alustath, 2016; 21(3): 76-80.

Spectrophotometric determination of Diclofenac Sodium in pure form and in the pharmaceutical preparations

Tikrit Journal of Pure Science
Article 1, Volume 21, Issue 3, May 2016, Pages 76-80
Authors
Qabas Naji Rashid; Mohsin Hamza Bakir; Shirwan Omar Baban
Abstract
A rapid, simple and sensitive method for the determination of Diclofenac sodium using sodium 1,2-naphthoquine- 4-sulfonate (NQS) as reagent in an alkaline medium (pH 11.9) to form an orange-colored product that was a maximum absorbance at 456 nm. Beer’s law is obeyed in the range (8-44 µg/mL), with molar absorptivity (6.965×103 L/mol.cm), correlation coefficient 0.9996, and the limit of detection (0.185 µg/mL). The method has been successfully applied to the determination of Diclofenac sodium in pharmaceutical preparations.
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