Extraction-Spectrophotometric Determination of Berberine in Crude Drugs by the Formation of a New Ion Associate
- 14 February 1991
- journal article
- Published by Springer Nature in Analytical Sciences
- Vol. 7 (1) , 39-43
- https://doi.org/10.2116/analsci.7.39
Abstract
No abstract availableThis publication has 4 references indexed in Scilit:
- Determination of berberine-type alkaloids in Coptidis Rhizoma, Phellodendri Cortex and their oriental pharmaceutical preparations by ion pair high performance liquid chromatography.BUNSEKI KAGAKU, 1986
- Spectrophotometric determination of trace amounts of quaternary ammonium salts in drugs by ion-pair extraction with bromophenol blue and quinineThe Analyst, 1983
- Spectrophotometric determination of cationic surfactants with Orange IIAnalytical Chemistry, 1968
- Germicidal Quaternary Ammonium Salts in Dilute Solution A Colorimetric Assay MethodIndustrial & Engineering Chemistry Analytical Edition, 1943