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Abstract

Polarographic determination of dexamethasone in pharmaceutical preparations.

Author(s): B Liawruangrath, S Liawruangrath
Dept. of Pharmaceutical Chemistry, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50002, Thailand,

Correspondence Address:
B Liawruangrath Dept. of Pharmaceutical Chemistry, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50002, Thailand

A novel, precise and accurate, direct,current,polarographic method is described for the determination of dexamethasone in pharmaceutical preparations is described, in which the drug was reduced in a phthalate buffer solution pH 4.2 The polarograms were recorded from -0.6 V to 1.47 V vs Ag-AgCl reference electrode. The percentage recovery is 99.49 +- 0.58.

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