azo compound

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azo compound

Any of the organic substances that contain the azo group. An example is azobenzene, C6H5N:NC6H5. They are related to aniline and include important dyes and indicators.
See: indicator for table
See also: compound
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McLaughlin, Radiation chemistry of anionic diazo dyes in cellophane films applications for high dose dosimetry.
Takashima, "Adsorption of the diazo dye Direct Red 23 onto a zinc oxide surface: a spectroscopic study," Spectrochimica Acta Part A, vol.
Keywords: Diazo dye; Fenton process; decolorization; mineralization
I suppose that most people would not be sensitive to non-toxic powdered pigments--but then most people in my textiles class didn't have any problem with the diazo dyes.
Cellophane films containing diazo dye for application to high - dose dosimetry have been reported [9], blue cellophane was examined as a monitor of high dose in the range (10-300 kGy).
In our study, the diazo dye, reactive blue 222 (azo blue) degraded up to 76.66% at 48 h of incubation with an initial dye concentration of 50 mg/L by the isolate Streptomyces DJP15.
Sung, Reductive Decolourization and Total Organic Carbon Reduction of the Diazo Dye CI Acid Black 24 by Zero-Valent Iron Powder, J.
"Direct" assays involve a chemical reaction with diazo dyes, followed by quantification of azobilirubin produced over a specified time.
The kinetic data of the adsorption of diazo dyes considered in this study onto a commercial activated carbon (CAC) were analyzed using four different kinetic models, namely; Pseudo first order and Pseudo second order, Elovich equation and intra particle diffusion model rate equation.
One of the interesting diazo dyes is Sudan red in different solvents, such as chloroform, xylene and ethyl acetate.