azo group

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Noun1.azo group - the bivalent group -N=N- united to two hydrocarbon groups
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
References in periodicals archive ?
A huge number of fabric pollutants in the group of azo dyes are categorized by an azo group containing two nitrogen atoms.
An environment with low oxygen content facilitates the breakdown of the azo group links due to a reduction mechanism, which can result in the formation of colorless solutions, as demonstrated in the study by Chen et al.
Dyes containing an azo group (-N=N-) are very commonly used colorants worldwide.
In the prior works attempt insertion of azo group in phenol novolac resin at a molecular level has recently been shown to impart improvements in thermal properties, mechanical properties, flame retardance, and char yields in cured epoxy resins [23, 24].