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hydrogen donor

   Also found in: Wikipedia 0.01 sec.
hydrogen donor
n.
A substance or compound that gives up or transfers a hydrogen atom to another substance.

hydrogen donor,
a compound that gives up hydrogen (usually H+, a proton) to another compound.


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In the presence of hydrogen donor, the mesomerism of the peptide linkage, which is the tautomerization form of the interaction in PVP as shown in Fig.
The additional polyether groups in the ethoxylated versions act as hydrogen donors and therefore increase the reactivity.
The latters comprise 19 polar hydrogen donors (ten phenolic and nine alcoholic hydroxyl groups) and 25 oxygen atoms in ether, ester and carbonyl functions.
 
 
 
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