Issue 1268, 1981

Utility of π-acceptors in charge-transfer complexation of alkaloids: chloranilic acid as a spectrophotometric titrant in non-aqueous media

Abstract

A spectrophotometric titration method is described for the determination of some alkaloids and their dosage forms using 0.005 M chloranilic acid solution in 1,4-dioxan as the titrant. The end-point is determined by measuring the change in absorbance of the sample at 535 nm. Quantitative recoveries with good reproducibility are reported for atropine, emetine, reserpine, strychnine, yohimbine and four dosage forms. The least-squares method for the end-point location in the spectrophotometric titration is also proposed.

Article information

Article type
Paper

Analyst, 1981,106, 1157-1162

Utility of π-acceptors in charge-transfer complexation of alkaloids: chloranilic acid as a spectrophotometric titrant in non-aqueous media

S. P. Agarwal and M. A. Elsayed, Analyst, 1981, 106, 1157 DOI: 10.1039/AN9810601157

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