hydrogen ion


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hydrogen ion

[′hī·drə·jən ′ī‚än]
(inorganic chemistry)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Carbonic anhydrase inhibitors act in the proximal convoluted tubule (Figure 3, B), and stop the excretion of hydrogen ions in exchange for sodium.
1000 mg Radix Paeoniae Alba powders were put in the reactor, then 0.084 g MnSO4, 1 mL acetone, 0.835 g KBrO3 were added successively while keeping the temperature 43 AdegC, stirring rate 500 rpm, hydrogen ion concentration 2.0 mol*L-1 and total volume 100 mL.
In contrast, the cross section of hydrogen ion exposed to photon flux we computed is four times the Thomson cross section for the scattering of free electrons.
For hydrogen ions, the concentration is conventionally described as a pH value.
In scientific terms, what pH means is the ability of molecules to attract hydrogen ions. An acidic molecule would have a low ability to attract hydrogen ions, while an alkaline molecule would have a high ability to attract them.
Now we do a simple experiment to reinforce the association between pH and hydrogen ion concentration.
[C.sub.u](t): excess hydrogen ion concentration of the reagent (mol/L)
The electrode mixes its electrical energy with the material hydrogen ions present in solution to yield a millivolt reading that contains information describing the hydrogen ion concentration.
Surprisingly, molecules of all eight organic acids were perceived to be equal in sour taste, provided that at least one carboxyl group in a molecule had a hydrogen ion attached to it.
T 509 om-02 "Hydrogen ion concentration (pH) of paper extracts (cold extraction method)" (February 3, 2006)
The normal free hydrogen ion concentration in the plasma is 0.000035-0.000045 mEq/L.
The cation in the reaction is the hydrogen ion ([H.sup.+]).