azo

Definitions

Examples

• If a pink to violet-red coloration is produced in a short time the presence of an azo-color is indicated.

• If an azo-color was used to color the milk this curd will be pink, but the curd of normal milk will be white or yellowish.

• (d) Two series of azo dyes of selenium have been prepared and have been shown to possess a marked tinctorial value.

• Azo gained a great reputation as a professor, and numbered amongst his pupils Accursius and Jacobus Balduinus.

• Azo-dinaphthyl diamine is recognized by its peculiar orange cast, and is turned by hydrochloric acid to a dull, dirty violet.