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High-performance cation-exchange

Callmer, K. and Davies, L., Separation and determination of vitamin Bj, B2, Bj, and nicotinamide in commercial vitamin preparations using high-performance cation-exchange chromatography, Chromatographia, 7, 644, 1974. [Pg.284]

Mario N, Baudin B, Aussel C, Giboudeau J. Capillary isoelectric focussing and high-performance cation-exchange chromatography compared for qualitative and quantitative analysis of hemoglobin variants. Clin Chem 1997 43 2137-42. [Pg.1205]

Tanaka and Ishizuka [3] studied the separation of acids by ion-exclusion chromatography on a modern, high performance cation-exchange column. Hitachi cation exchange resin, 8 % cross-linking, 18 2 pm particle size was used. Retention volumes of acids were obtained at 50 °C using water as the eluent. These are given in Table 8.1. [Pg.166]

Tanaka and Ishakuza [3] studied the separations of acids by lEC on a high-performance cation-exchange column with sulfonic acid functional groups, with water as the eluent Values of the distribution coefficients, calculated from the retention volumes of the various acids may be summarized as follows ... [Pg.208]

HPCEC, High-performance cation exchange chromatography IPAD, Integrated pulse amperometric detection ISWD,... [Pg.100]

The most appropriate way to solve mobile-phase incompatibility problems in LC-MS is to change the mobile-phase composition to LC-MS compatible conditions. This is the approach taken in most cases. Unfortrmately, it is not always possible to do so. In some cases, specialized LC colunrn materials demand a particular mobile-phase composition. This is the case with for instance some chiral colunms, which will only provide adequate enantiomeric separation in a predefined mobile phase. The retention behaviour in high-performance anion-exchange chromatography (HPAEC) is significantly influenced by the cation (sodium or ammonium) in the mobile phase. In these cases, mobile-phase... [Pg.166]

Figure 17 High performance vs. classical ion exchange in cation exchange of crys-tallins. (a) SP-Sephadex column, 0.5ml/min. The separation time was 7 hr. (b) SynchroPak CM300, 1 ml/min. The separation time was 20 min. (Reproduced with permission of Academic Press from Siezen, R. J., Kaplan, E. D., and Anello, R. D., Biochem. Biophys. Res. Comm., 127, 153, 1985.)... Figure 17 High performance vs. classical ion exchange in cation exchange of crys-tallins. (a) SP-Sephadex column, 0.5ml/min. The separation time was 7 hr. (b) SynchroPak CM300, 1 ml/min. The separation time was 20 min. (Reproduced with permission of Academic Press from Siezen, R. J., Kaplan, E. D., and Anello, R. D., Biochem. Biophys. Res. Comm., 127, 153, 1985.)...
Huhn, G. and Muller, H., Polymer-coated cation exchangers in high-performance ion chromatography preparation and application, /. Chromatogr., 640, 57, 1993. [Pg.270]

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Cation exchange

Cation exchangers

Cationic exchangers

Cationic performance

Cations cation exchange

Exchangeable cations

High cations

High-performance cation-exchange chromatography

High-performance liquid chromatography cation-exchange resin columns

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