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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
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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