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1 Department of Pharmacology, School of Medicine of the University of Maryland
1. A colorimetric method for the assay of tablets of digitoxin containing 0.1 mg. and 0.2 mg. of digitoxin per tablet has been described.
2. The method, based on the Baljet color reaction and requiring a photoelectric colorimeter, is accurate within ±5 per cent.
Submitted on November 19, 1945