pentoxide


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pentoxide

[pen′täk‚sīd]
(inorganic chemistry)
A compound that is binary and has five atoms of oxygen; for example, phosphorus pentoxide, P2O5.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In vitro antibacterial and remineralizing effect of adhesive containing triazine and niobium pentoxide phosphate inverted glass.
The chromatograms and their quantitative data for the 1.0 [micro]L injections of the transesterification reactions of soybean oil using Nb[Cl.sub.5] and the different synthesized niobium pentoxide catalysts (amorphous [Nb.sub.2][O.sub.5], SG400, SG500, SG600, SG700, SG800) are shown in the SI Figure S3 to S10.
For each of the above-mentioned samples, a homogeneous mixture of boron trioxide and vanadium pentoxide are made by putting the mixture in a vessel which is moderately shaking horizontally and vertically.
where [[epsilon].sub.0] is the dielectric constant for free space (8.855 x [10.sup.-12] Farads / m), [epsilon] is the dielectric constant for tantalum pentoxide (about 27), A is the surface area in [m.sup.2], and d is the dielectric thickness in m.
Vanadium pentoxide demonstrates electrochromic behavior under lithium or hydrogen intercalation due to the formation of [Li.sub.x][V.sub.2][O.sub.5] or [H.sub.x][V.sub.2][O.sub.5] bronzes [11,12].
Diffractogram of powder of vanadium pentoxide obtained by thermal decomposition of tetravanadate ammonium at a temperature of653 K for 50 min.
Using an (IL-2)-independent human NK-92MI cell line that is phenotypically considered an NK bright cell line, studies have shown that vanadium pentoxide ([V.sub.2][O.sub.5]) (Figure 1) inhibited secretion of select proinflammatory cytokines and cell proliferation, induced apoptosis, and modified the IL-2 receptor signaling pathway [25] (Table 1).
In this research, the photocatalytic performance of two sample groups of niobium pentoxide with porous and bulk structure was investigated and compared while the samples were synthesized through two different methods.
The grades, meanwhile, have generally exceeded 20% phosphorous pentoxide.
To track the cycle of nitrogen in the atmosphere, they studied dinitrogen pentoxide, a molecule that results from the oxidation of nitrogen oxides.
As a result, these alkali carbonates undergo partially or did not undergo the mechanochemical reaction at all with niobium pentoxide to form alkali niobate phase.