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[Rapid colorimetric determination of sodium nitroprusside]
H Trabelsi1, K A Bouzouita, R Malbosc
1Laboratoire National de contrôle des Médicaments, Tunis, Tunisie.
Abstract:
In the present investigation we purpose a simple, rapid and accurate method for the evaluation of sodium nitroprusside. In alkaline medium and on the presence of thiourea, a new complex is formed. The acidification of medium induced a blue solution (lambda m = 600 nm) that could be determined by spectrophotometry.