Figure 5
From: Extraction of Indigo dye from Couroupita guianensisand its application on cotton fabric

FTIR spectrum of purified blue pigment from Couroupita guianensis fruit.
International Journal of Interdisciplinary Research
From: Extraction of Indigo dye from Couroupita guianensisand its application on cotton fabric
FTIR spectrum of purified blue pigment from Couroupita guianensis fruit.