blue light grey to green black. Soluble in water for purple. In concentrated sulfuric acid for the blue black, dilution after red light purple; In concentrated hydrochloric acid for purple solution; In the sodium hydroxide solution for red purple..
|
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
4-5
|
5
|
4-5
|
|
4-5
|
4-5
|
5
|
