hydroxide

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hydroxide

 [hi-drok´sīd]
the OH anion or a compound containing the OH ion.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

hy·drox·ide

(hī-drok'sīd),
1. A compound containing a potentially ionizable hydroxyl group; particularly a compound that liberates OH- upon dissolving in water.
2. The hydroxide anion, OH-.
Farlex Partner Medical Dictionary © Farlex 2012

hy·drox·ide

(hī-drok'sīd)
A compound containing a potentially ionizable hydroxyl group; particularly a compound that liberates OH- on dissolving in water.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

hy·drox·ide

(hī-drok'sīd)
A compound containing a potentially ionizable hydroxyl group.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
The main feature of the mechanism of the micellar catalysed hydrolysis of bis-p-methoxyphenyl phosphate in presence of hydroxide ion on the basis of the above kinetic results may be formulated as under:
To study this question, we carried out cooks with high and low levels of hydroxide ions and hydrosulfide ions.
In the June 27 Nature, Tuckerman and his colleagues in Europe report that a hydroxide ion moving through water weakly bonds to four, not three, water molecules.
According to Faraday's law increasing the electrolysis time, the concentration of hydroxide ions to form floc is increased, that leads to increases of ECF process efficiency.
Recent studies (24-27) suggest that the first reaction of magnesium in the body is oxidation (Mg [right arrow] [Mg.sup.2+] + 2e); a reduction reaction then occurs (2[H.sub.2]O + 2e [right arrow] [H.sub.2] + 2O[H.sup.-]), generating hydroxide ions and magnesium ions, which combine to generate magnesium hydroxide as follows: [Mg.sup.2+] + 2O[H.sup.-] [right arrow] RMg[(OH).sub.2].
In addition, these hydrogels can be sensitive to organic solvents, hydronium, and hydroxide ions or selected metal ions such as copper, nickel, cobalt, or palladium ions.
The decrease in recovery of metal ions when pH >7.5 is probably due to the precipitation of metal ions and hydroxide ions. The pH values for simultaneous preconcentration of Zn, Cu, and Co ions must be between the pH values of 5.5-6.5.
LDHs and HDSs have a brucite {Mg[(OH).sub.2]} type layer structure in which magnesium ions are surrounded by six hydroxide ions in an approximately octahedral geometry with exchangeable anions occupying the interlayer region [7].
In the presence of aggressive hydroxide ions, it is assumed that the inhibitor anions with high charge density compete with anions such as OH~ ions and are preferentially adsorbed at the anodic sites of the metal surface.
Diffusion of hydroxide ions through dentinal tubules can elevate dentinal pH to as high as 11 in some locations and may contribute to several of its anticipated actions via DNA damage or protein denaturation.
(7) The mechanisms of action of milk of magnesia include hydroxide ions interacting with the hydrogen ions in stomach acid to produce water, and an osmotic shift of water into the bowel caused by the poorly absorbed magnesium, both of which soften faecal material and increase faecal volume to stimulate its elimination.
A solution's pH depends on Its concentration of positively charged hydrogen ions and negatively charged hydroxide ions. Solutions with a pH less than 7 have a high concentration of hydrogen Ions and are considered acids.