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What is the difference between azo dye test and back azo dye test?

Ankit Dash , 7 Years ago
Grade 12th pass
anser 2 Answers
Khimraj

Azo-Dye Test

This test is given by aromatic primary amines. Aromatic primary amines react with nitrous acid to form diazonium salts. These diazonium salts undergo coupling reaction with β-naphthol to form orange coloured azo dye.

Last Activity: 7 Years ago
Arun
AZO dyes are the name of the group of synthetic dyestuffs based on nitrogen that are often used in textile industry. Some AZO dye stuffs may separate under certain conditions to produce carcinogenic and allergenic aromatic amines.
Nver heqrd about back azodye test. Please recheck
Last Activity: 7 Years ago
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