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Fb2 Potentiometric Water Analysis, 2E ePub

by Derek Midgley,Kenneth Torrance

Category: Engineering
Subcategory: Engineering and Transport
Author: Derek Midgley,Kenneth Torrance
ISBN: 0471929832
ISBN13: 978-0471929833
Language: English
Publisher: Wiley; 2 edition (September 6, 1991)
Pages: 600
Fb2 eBook: 1619 kb
ePub eBook: 1251 kb
Digital formats: lit txt lit txt

Midgley, D. & Torrance, Kenneth. Potentiometric water analysis. Midgley, D. and Torrance, Kenneth.

Midgley, D. Australian/Harvard Citation.

It provides, in one single volume, a comprehensive survey of the theoretical and practical aspects of potentiometry and ion-selective electrodes applied to the analysis of water. The first part of the book describes the basic theory of electrodes, the statistical treatment of results, titrimetric methods and general guidance on procedures.

Glass electrodes with linear temperature characteristics are described.

The use of ion-selective electrodes for direct potentiometric water hardness determinations is restricted to relatively soft waters if they are to be competitive with other techniques in terms of uncertainty on the water hardness scale

The use of ion-selective electrodes for direct potentiometric water hardness determinations is restricted to relatively soft waters if they are to be competitive with other techniques in terms of uncertainty on the water hardness scale. The selectivity factorK MgCa Pot must be within . % of unity if a hardness of 10 degrees on the German scale is to be measured to within . degrees in the composition rangecMg:cCa 0. 25 to 25. The expressionK MgNa Pot ·a Na 2, (aMg+aCa) must be less than . 01 if freedom from sodium interference is to be achieved.

Potentiometric methods are based on the measurement of the activity of hydrogen ions in an acid–base system of. .To calibrate the potentiometric system, the already described two-point procedure is commonly used.

Potentiometric methods are based on the measurement of the activity of hydrogen ions in an acid–base system of known ratio between basic and acidic forms of the compound. 3 Usually, the pH is measured through a well-calibrated glass combination electrode, over a concentration range of . 05–0. 05 M and in 2–12 aqueous pH range. The pKa is conveniently determined by a titration of the basic or acidic compound with a standardized strong acid or base.

Personal Name: Midgley, D. (Derek). Personal Name: Torrance, Kenneth. Rubrics: Poteniometry Water Analysis. Download now Potentiometric water analysis Derek Midgley and Kenneth Torrance. Download PDF book format. Download DOC book format.

2 POTENTIOMETRIC TITRATIONS

2 POTENTIOMETRIC TITRATIONS. General Principles The Nernst equation tells us that a measurable quantity - voltage or potential - is related to the concentration of species in solution. In many cases, the measured potential is due to a number of species, and hence the concentration of one can be difficult or impossible to determine. Why Choose a Potentiometric Titration? Compared to titrations using an indicator to detect the endpoint, potentiometric titrations are:, more expensive – you need a stirrer and bar, electrodes, and a voltmeter, slower to set up – making sure the electrodes are correctly in place and functioning properly

Potentiometric titration is a technique similar to direct titration of a redox reaction. It is a useful means of characterizing an acid.

Potentiometric titration is a technique similar to direct titration of a redox reaction. No indicator is used; instead the potential is measured across the analyte, typically an electrolyte solution. To do this, two electrodes are used, an indicator electrode (the glass electrode and metal ion indicator electrode) and a reference electrode.

Potentiometric Water Analysis Second Edition Derek Midgley and Kenneth Torrance, National Power plc, Technology and Environmental Centre, Leatherhead, Surrey, UK This volume is a thoroughly revised and updated version of the very successful first edition. It provides, in one single volume, a comprehensive survey of the theoretical and practical aspects of potentiometry and ion-selective electrodes applied to the analysis of water. The first part of the book describes the basic theory of electrodes, the statistical treatment of results, titrimetric methods and general guidance on procedures. Useful information is given on the types of electrodes available, together with the apparatus required for laboratory and industrial use. For this second edition, the authors include details on microprocessor-based instruments, new electrodes and techniques that have recently been developed, as well as updating the variations on established procedures and their performance characteristics. The second part of the book gives detailed analytical methods for identifying a variety of determinands. Worked examples with discussions of sources of error and likely accuracy are also included. The book is designed to give sufficiently detailed procedures so that the reader can use the methods without recourse to the primary literature. With its emphasis on the practical aspects of potentiometric water analysis, this book will be a valuable tool for analysts working in the field.
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