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CLVII.—Nor-dl -ephedrine and nor-dl -ψ -ephedrine . Donald Holroyde Hey
, J. Chem. Soc.
, 1930
, 1232
Assay of ephedrine or pseudoephedrine in pharmaceutical preparations by second and fourth derivative ultraviolet spectrophotometry . A. G. Davidson, H. Elsheikh
, Analyst
, 1982
, 107
, 879
Chemoselective recognition with phosphonate cavitands: the ephedrine over pseudoephedrine case . Elisa Biavardi, Franco Ugozzoli, Chiara Massera
, Chem. Commun.
, 2015
, 51
, 3426
Simultaneous determination of some active ingredients in cough-cold syrups by gas-liquid chromatography . Oi-Wah Lau, Yiu-Ming Cheung
, Analyst
, 1990
, 115
, 1349
Use of orthogonal polynomials for unequal intervals to eliminate interference in spectrophotometric analysis. Simultaneous determination of ephedrine hydrochloride and diphenhydramine hydrochloride in two-component mixtures . M. A. Korany, Mona Bedair, F. A. El-Yazbi
, Analyst
, 1986
, 111
, 41
Spectrophotometric method for determination of chlorpheniramine maleate in pharmaceutical preparations in the presence of codeine phosphate and ephedrine hydrochloride . Anupam Biswas
, Analyst
, 1980
, 105
, 353
Over a century since ephedrine discovery: an updated revisit to its pharmacological aspects, functionality and toxicity in comparison to its herbal extracts . Mohamed Z. Gad, Samar S. Azab, Amira R. Khattab, Mohamed A. Farag
, Food Funct.
, 2021
, 12
, 9563
The assay of ephedrine . Joint Committee of the Pharmaceutical Society and the Society for Analytical Chemistry on Recommended Methods for the Evaluation of Drugs
, Analyst
, 1975
, 100
, 136
Computerised compensation method for the spectrophotometric determination of a single substance in the presence of interferences . Abdel-Aziz M. Wahbi, Hoda Mahgoub, Magda Barary
, Analyst
, 1989
, 114
, 505
Gas-liquid chromatographic and ion-pair high-performance liquid chromatographic determination of pseudoephedrine hydrochloride and bromhexine hydrochloride in pharmaceuticals . E. Venkata Rao, G. Ramana Rao, S. Raghuveer, P. Khadgapathi
, Analyst
, 1987
, 112
, 871