Download e-book for iPad: Ion Chromatography, Second Edition by Dr. Joachim Weiss(auth.)

By Dr. Joachim Weiss(auth.)

ISBN-10: 3527286985

ISBN-13: 9783527286980

ISBN-10: 3527615636

ISBN-13: 9783527615636

This all-new version of the hugely profitable first version encompasses a wealth of up to date info in this significant analytical strategy. Ion-exchange, ion-exclusion, and ion-pair chromatography are handled including their detection tools, and a dialogue of quantitative research is usually given. the entire variety of program chances of this method is defined and illustrated with a variety of chromatograms. exact chapters are featured on functions in environmental research, scientific chemistry in addition to within the foodstuff and beverage industry.

From reports of prior editions:
This quantity may be hugely prompt to either the skilled person and the newcomer within the box of ion chromatography. Zeitschrift fuer Wasser- und Abwasserforschung

each person who's actively facing ion chromatography can't have enough money to overlook this publication. Laborpraxis

This booklet is a worthwhile relief to all scientists wishing to paintings with a bit of luck with those varied tools, in addition to practitioners who hire those concepts on a daily foundation.

Content:
Chapter 1 creation (pages 1–10):
Chapter 2 conception 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 functions (pages 347–442):

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Extra resources for Ion Chromatography, Second Edition

Sample text

3-16. Elution profile of the IonPac AS4A separator column for simple inorganic anions depending on the ratio of the two eluent components. 0018 mollL Na,CO,; flow rate: 2 mL/min; detection: suppressed conductivity; injection volume: 50 pL; solute concentrations:see Fig. 3- 13. The IonPac AS5, a special 15-pm anion exchanger, was developed for the analysis of strongly polarizable ions such as iodide, thiocyanate, and thosulfate. A comparison of the selectivities of the AS4 and AS5 separators for the separation of simple inorganic anions is shown in Fig.

From Fig. 2-7 it is clear that the plate height is almost invariant at higher flow rates. Similar dependences have also been observed by Majors [12] for silica-based HPLC columns with smaller particle size. Such dependences show that higher flow rates may lead to drastically reduced analysis times, without any significant loss in chromatographic efficiency. Cation separator columns exhibit a more pronounced dependence of the plate height on the flow rate (Fig. 2-8). In this case, a compromise between separation efficiency and required analysis time has to be made.

The comparatively better resolution between bromide and nitrate can be attributed to the higher chromatographic efficiency of the AS5A column. 6). , monovalent, divalent, and trivalent anions - within the same chromatographic run via a gradual increase of the ionic strength in the mobile phase. Considering that a suppressor system is essential for the subsequent conductivity detection, a successful gradient elution is only feasible using sodium hydroxide as the eluent. Since sodium hydroxide as a monovalent eluent ion exhibits only a low elution power, the corresponding functionality and dimension of the latex material were adjusted.

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Ion Chromatography, Second Edition by Dr. Joachim Weiss(auth.)


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