Figure 7
From: Extraction of Indigo dye from Couroupita guianensisand its application on cotton fabric
![Figure 7](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40691-014-0016-3/MediaObjects/40691_2014_Article_16_Fig7_HTML.jpg)
FTIR spectrum of standard synthetic indigo dye.
International Journal of Interdisciplinary Research
From: Extraction of Indigo dye from Couroupita guianensisand its application on cotton fabric
FTIR spectrum of standard synthetic indigo dye.