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Journal ArticleDOI

Separation of Polynuclear Aza-Heterocyclics by High-Pressure Liquid Chromatography Using a Silver-Impregnated Adsorbent

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This article is published in Journal of Chromatographic Science.The article was published on 1972-06-01. It has received 52 citations till now. The article focuses on the topics: Countercurrent chromatography & High-performance liquid chromatography.

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High-performance liquid chromatography with Ag+ complexation in the mobile phase

TL;DR: In this paper, a reversed-phase high-performance liquid chromatography (HPLC) on chemically bonded phases using common mobile phases (methanol-water, methanol-isopropanol, water-acetonitrile) containing Ag +, separations with considerably increased selectivity for various types of unsaturated and heterocyclic components can be easily effected.
Journal ArticleDOI

Retention mechanisms on metallic stationary phases

TL;DR: An electron-rich, porous graphitic carbon stationary phase for high-performance liquid chromatography has been shown to act as an electron-pair acceptor of solutes under non-polar conditions as discussed by the authors.
Journal ArticleDOI

Modified and convenient preparation of silica impregnated with silver nitrate and its application to the separation of steroids and triterpenes

TL;DR: In this article, modified and convenient procedures for the preparation of flash columns and thin-layer chromatographic plates using silica impregnated with silver nitrate are described. And the application of this adsorbent to the separation of steroids and triterpenes is also reported.
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