It is also known as the blue-line or blue-line process.
There are two components in this process:
1. the diazonium salt: a light sensitive chemical
2. the azodye (AKA coupler): a colorless chemical that combines with diazo to produce color
There are two components in this process:
1. the diazonium salt: a light sensitive chemical
2. the azodye (AKA coupler): a colorless chemical that combines with diazo to produce color
by Eccko June 3, 2010