Indigo Dyeing 101: How to Dye with Indigo [Vat Types & Process]

Organic Indigo Dye Recipe and Process

SOLVED: Indigo dye is an organic dye that is associated with the color of blue jeans. The chemical that makes up most indigo dyes is called indigotin and is shown below, along with an absorbance spectrum showing the ultraviolet and visible portions of the electromagnetic spectrum.If the concentration of the indigo dye in the sample used for the spectrum was 0.0112 M (where M = mol/L) and the path length for the instrument used was 1.00 cm, what is the extinction coefficient (ε) of the absorbanc