A novel chemically bonded phase was evaluated for its applicability in Ž . discriminating among polycyclic aromatic hydrocarbons PAHs in terms of molecular size, planarity, and shape selectivity. It was observed that planar molecules were more retained than nonplanar analogues and that the retention
✦ LIBER ✦
Retention behavior of aromatic hydrocarbons and dansylamino acids in reversed-phase liquid chromatography with cation-exchange-induced stationary phases
✍ Scribed by Takeuchi, Toyohide ;Miwa, Tomoo ;Hu, Rongzong ;Chu, Jianhua
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 397 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0935-6304
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✦ Synopsis
Abstract
The retention behavior of aromatic hydrocarbons and dansylamino acids on cation‐exchangers modified with alkylammonium ions has been examined by microcolumn liquid chromatography. Several parameters affected the retention of analytes, involving concentration of the modifier in the mobile phase, its alkyl chain length and mobile phase composition. Stationary phases modified with a reagent having longer alkyl chains achieved better column efficiency.
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