pH Measurement During Dye Synthesis of Azo Dyes with Knick’s Ceramat Fitting
Azo dyes make up the largest group of synthetic dyes by number. They are used as food dyes, artists’ colors, basic colors for four-color printing (yellow and magenta), as well as textile dyes on a large scale. Over 350,000 tons of azo dyes are used worldwide only for the dyeing of natural fibers.