SCHEDULED MAINTENANCE
Cimetidine reacts quantitatively with alkaline sodium pentacyanonitrosyliron(III) giving a red species on acidification. The intensity of the colour was determined spectrophotometrically at 433 nm. All reagents used affected the system and were optimised to give a simple, precise and accurate method for the determination of cimetidine in tablets.
C. Aromdee, K. Raksrivong and A. Vathanasanti, Analyst, 1987, 112, 1523 DOI: 10.1039/AN9871201523
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