3 edition of Ion-selective electrodes, 5 found in the catalog.
Ion-selective electrodes, 5
Symposium on Ion-Selective Electrodes (5th 1988 MaМЃtrafuМ€red, Hungary)
Includes bibliographical references.
|Statement||edited by E. Pungor.|
|LC Classifications||QD572.I66 S95 1988|
|The Physical Object|
|Pagination||xv, 674 p. :|
|Number of Pages||674|
|LC Control Number||89016189|
If the electrodes are in frequent use then they can simply be left hanging in the electrode holder 5 book the membrane surface open 5 book the air but protected by a clean dry beaker. The measured slope can be used as an indication of the proper functioning of an ISE. This potential difference causes the calcium ion migration to slow down and finally stop when the diffusion pressure due to the difference in concentration is exactly balanced by the electric field effects due to the fact that similarly charged particles repel one another. An ion-selective membrane is fixed at one end so that the external solution can only come into contact with the outer surface, and the other end is fitted with a low noise cable or gold plated pin for connection to the millivolt measuring device. Performance and reliability cookies These cookies allow us to monitor OverDrive's performance and reliability. Harris Exploring Chemical Analysis, 2nd Ed.
NB: for the purposes of this explanation it Ion-selective electrodes convenient to assume that the flow of ions is from the test solution into the ISE. ISE has many advantages compared to other techniques, including: It is relatively inexpensive and easy to operate. The measured slope can be used as an indication of the proper functioning of an ISE. Nicotinamide Adenine Dinucleotide Electrode. Current Trends. Unknown samples can then be determined by measuring the voltage and plotting the result on the calibration graph.
Glucose Electrodes. Response Characteristics. The reference electrode is a half-cell that provides a constant potential which is dependent only on the concentration of chloride ions in the filling solution. Electrochemical Potentials, Fluxes, and Mobility. They are also the most widespread electrodes with anionic selectivity.
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At equilibrium, there is potential difference existing between two sides of the membrane, and it is governed by the concentration of the tested solution described by Nernst Ion-selective electrodes EQ, where E is potential, E0 is a constant characteristic of 5 book particular ISE, R is the gas constant 8.
Urea Electrodes. It is important and necessary in such a rapidly growing area to be able to "take stock," i. The measured slope can be used as an indication of the proper functioning of an ISE.
It is important and necessary in such a rapidly growing area to be able to "take stock," i. Soluble Enzyme Systems. It can determine both positively and negatively charged ions. All these reactions occur inside a special membrane which covers the true ion-selective electrode, which is why enzyme electrodes sometimes are considered as ion-selective.
Nevertheless, there are certain features that are common to all. Bacterial Electrodes.
Substrate Electrodes. Note that in modern all-solid-state 5 book the internal "solution" is in a solid form. When handling ISEs, care should be taken to avoid damaging the membrane surface. Here, the influx of electrons causes Ag ions in the filling solution to accept electrons and deposit on the silver wire and, consequently, Cl ions to flow out into the sample solution.
Chapter 4. Uric Acid Electrode. Mechanism of CWE 5 book. Union Pure Appl. Reversing the charges above would describe 5 book situation for a monovalent negative ion. Immunochemically Sensitive Field Effect Transistor. Tissue-Based Electrode.
Selectivity of crystalline membranes can be for both cation and anion of the membrane-forming substance. This is evidenced in the large and continually growing literature in the field. In practice some 5 book these vary Ion-selective electrodes little - particularly at the porous frit liquid junction of the reference electrode - and are one of the sources of error in ISE measurements.
ISE has many advantages compared to other techniques, including: It is relatively inexpensive and easy to operate.An ionophore is a chemical species that reversibly binds ions.
Many ionophores are lipid-soluble entities that transport ions across a cell magicechomusic.comore means "ion carrier" as these compounds catalyze ion transport across hydrophobic membranes such as liquid polymeric membranes (carrier-based ion selective electrodes) or lipid bilayers found in the living cells or synthetic vesicles ().
Ion-Selective Electrode Reviews, Volume 5 is a collection of articles that covers ion-speciation. The book aims to present the advancements of the range and capabilities of selective ion-sensors. The topics covered in the selection are neutral car. Depending on the nature of the book, tables wil l write all reactions as either oxidations or reductions an d expr ess the potentials for half-cells with unit activities, a s.The pdf of this electrode for nitrate ions can be favourably compared to conventional nitrate ion-selective electrodes based on quaternary ammonium ion-exchange sites.
Notably, a significant improvement of selectivity for nitrate by two orders of magnitude was obtained in the presence of .Ion-selective electrodes (ISEs) have a wide range of applications in clinical, environmental, food and pharmaceutical analysis as well as further uses in chemistry and life sciences.
Based on his profound experience as a researcher in ISEs and a course instructor, the author summarizes current.Search by multiple ISBN, single ISBN, title, author, etc Login | Ebook Up | Settings | Sell Books | Wish List: ISBN Actions: Add to Bookbag Sell This Book Add to Wish List Set Price Alert.