Vibrational and Compositional Analysis Associated with the Color of <i>Guadua angustifolia</i> Kunth Variety Bicolor (GAKVB)

<table>Color comparison of two samples: submerged in water (left) and exposed to air (right).</table>

Advances in Materials Science and Engineering

Figure 9: Vibrational and Compositional Analysis Associated with the Color of <i>Guadua angustifolia</i> Kunth Variety Bicolor (GAKVB) 