yea. in case of indigo, vatting involves reduction of a pair conjugated carbonyl groups,
generally vat and sulphur dye principles are same. indigo, thioindigo, quinone groups related dye are vat dye. specially vat dye carry ketone linkage.quinone vat dye are usually either anthraquinone derivatives or polycyclic quinone.
The traditional dye for jeans is indigo. Natural Indigo dye is uncommon in that it does not require a mordant. The thread (fibre) or in some cases the woven cloth is soaked in a vat of the dye. Repeated submerging result in a darker colour. For complete instructions and further information see the related link below.
dye! dye! dye! dye!
Indigo is a deep blue purple color. It is also the name of a dye that is derived from the indigo plant.
To make indigo blue, you can mix indigo dye with water and a reducing agent like soda ash. This mixture will create a blue dye solution that can be used to dye fabrics or materials.
An anil is an indigo shrub, or the indigo dye obtained from the plant.
Indigofera tinctoria, commonly known as true indigo, is a dye-yielding plant used to produce a blue dye called indigo.
True indigo is a type of plant that was one of the original sources of indigo dye. As it is a legume, therefore it is rotated into fields to improve the soil similar to how other legumes are grown.
"Indigo." and rice
Means growing the plant used to make indigo dye. Indigo is sort of a red/purple.
Indigo
"Anil" is a word used for the indigo plant or the dye obtained from it.