azo dye


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azo dye

n.
Any of various red, brown, or yellow acidic or basic dyes derived from amino compounds.

azo dye

n
(Dyeing) any of a class of artificial dyes that contain the azo group. They are usually red, brown, or yellow and are obtained from aromatic amines

az′o dye`


n.
any of a class of dyes containing one or more azo groups.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.azo dye - any dye containing one or more azo groups
congo red - a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
methyl orange - an azo dye used as an acid-base indicator; used for titrations involving weak bases
dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair
References in periodicals archive ?
Stathatos, Nanocrystalline TiO2 and halloysite clay mineral composite films prepared by sol-gel method: synergistic effect and the case of silver modification to the photocatalytic degradation of basic blue-41 azo dye in water, Glob.
Original test reports from an accredited laboratory, or the approved copies, showing compliance with the azo colorant and azo dye requirements (for toys containing textile or leather components), and phthalate requirements (for PVC toys)
Azo dye biodegradation by Microbial cultures immobilized in alginate beads.
In another study reported by Oranusi (21), Escherichia coli isolated from the intestinal microbiota was capable of degrading a solution of 20 ppm of the azo dye tartrazine with a decolorization percentage of 60.
2009) reported the activation of the NADH-enzyme complex in geotrichum DCIP galactomyces MTCC strain type 1360 in the presence of methyl red azo dye, which achieved complete discoloration within 1 hour of agitation.
T artrazine is a synthetic lemon yellow azo dye primarily used as a food coloring [21] .
The produced nanocatalyst showed appropriate performance in increasing the efficiency of the production of azo dye compounds.
In general, during azo dye degradation initial reductive cleavage of the azo bonds takes place, with the help of azoreductase enzymes which results into the production of colorless solutions containing potentially hazardous-aromatic amines (Van der Zee and Villaverde, 2005) which are further degraded aerobically or anaerobically (Joshi et al.
Degradation of a textile reactive Azo dye by a combined chemical biological process: Fenton's reagent-yeast.
Impact of ozonation on subsequent treatment of azo dye solutions.