oxidation state


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oxidation state

[‚äk·sə′dā·shən ‚stāt]
(chemistry)
The number of electrons to be added (or subtracted) from an atom in a combined state to convert it to elemental form. Also known as oxidation number.
References in periodicals archive ?
The electrochemistry of sulphur in aqueous solution is perhaps the most complex of all the elements, with a vast range of oxidation states ranging from -2 for [S.
7 eV on deconvolution of the Mn 2p feature, ascribed to oxidation states Mn(III) and Mn(IV), respectively (Figure 3).
When it comes to lead in the +4 oxidation state there's a twist.
However, cerium is insoluble in its higher oxidation state as the ceric/cerous mixed oxide but soluble in its lower valence salt state, such as cerous nitrate, in contrast to chromium that can be soluble in the [Cr.
The reaction samples were analysed for lignin content, BOD, COD, TOC, pH, aldehydes, colour, biodegradability (in the present paper BOD/COD), and the average oxidation state of carbon atoms (AOSC).
Oxidation state tells you whether an element will gain or lose electrons.
There are a few simple rules for determining the oxidation state of elements in soil (Brock & Madigan, 1991).
These results indicate that although the oxidation state of carbon 13 does not affect reduction of the quinone moiety, the quinone remains a poorer substrate for CR.
is planning to embark on a large-scale project utilizing the synchrotron to identify species of metals and the oxidation state of various metals in the environment.
Future tests will examine ways to influence the oxidation state (Eh) of the water solution by adding charcoal to the solution and examining the effect of other mineral phases on hematite precipitation.
Magnetic circular dichroism spectroscopy (MCD) is a very useful method for evaluation of the coordination structure of heme iron complexes including the determination of the oxidation state, spin state and axial ligand identification in heme proteins with a structurally uncharacterized heme center.

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