By Dr. Joachim Weiss(auth.)
This all-new variation of the hugely profitable first version incorporates a wealth of updated info in this significant analytical approach. Ion-exchange, ion-exclusion, and ion-pair chromatography are taken care of including their detection tools, and a dialogue of quantitative research can also be given. the entire variety of software chances of this system is defined and illustrated with various chromatograms. particular chapters are featured on purposes in environmental research, medical chemistry in addition to within the meals and beverage industry.
From stories of prior editions:
This quantity will be hugely instructed to either the skilled consumer and the newcomer within the box of ion chromatography. Zeitschrift fuer Wasser- und Abwasserforschung
all people who's actively facing ion chromatography can't come up with the money for to overlook this booklet. Laborpraxis
This publication is a important relief to all scientists wishing to paintings expectantly with those varied equipment, in addition to practitioners who hire those recommendations on a day by day foundation.
Chapter 1 advent (pages 1–10):
Chapter 2 thought of Chromatography (pages 11–23):
Chapter three Ion?Exchange Chromatography (HPIC) (pages 25–208):
Chapter four Ion?Exclusion Chromatography (HPICE) (pages 209–238):
Chapter five Ion?Pair Chromatography (MPIC) (pages 239–289):
Chapter 6 Detection Modes in Ion Chromatography (pages 291–327):
Chapter 7 Quantitative research (pages 329–345):
Chapter eight purposes (pages 347–442):
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Additional info for Ion Chromatography, Second Edition
Sodium p-hydroxybonzoate was employed as the eluent. A slightly different elution order is obtained using an eluent mixture of sodium carbonate and sodium bicarbonate (Fig. 3-6). In addition, Sykam offers a stationary phase, under the trade name LCA AM, with which bromide and nitrate have a higher retention time than sulfate. The resulting separation is comparable to the chromatogram obtained with the Dionex AS2 column shown in Fig. 2). 03 mequiv/g being surface-aminated with methyldiethyl amine.
Fast exchange processes and thus, a high chromatographic efficiency of the separator column are ensured by the small size of the latex beads. - Swelling and shrinkage are considerably reduced due to the surface functionalization. - Latex-agglomerated anion exchangers are chemically very stable. Even sodium hydroxide at concentrations of c = 4 moVL is unable to cleave the ionic bond between the substrate particle and the latex bead. The selectivity is altered by changing the chemical nature of the quaternary ammonium base.
2-6) is known in the literature as the Knox plot. The dependence of the curve’s position on the retention of the compound is disadvantageous. Minima in this kind of illustration are only obtained for compounds having no retention (k’ = 0). 5 van Deemter Curves in Ion Chromatography The terms for the various contributions to the peak broadening combined in Eq. (24) give the impression that they are independent of each other. In practice, however, an interdependence exists between these terms. This leads to a much smaller decrease in separation efficiency than predicted by the simplifying van Deemter theory.