In this scientific study, the infrared (IR) spectral analysis of cellulose extracted from cotton stalk using different concentrations of alkaline and hydrogen peroxide (H₂O₂) solutions was investigated. The main objective of the research is to determine the physicochemical properties of cellulose obtained from plant-based raw materials and evaluate the structural changes occurring during the processing stages. Cotton stalks, being a cost-effective and locally available raw material, offer great potential in the production of paper, biopolymers, medical materials, and other eco-friendly products.

Cellulose, physicochemical properties, IR spectroscopy, functional groups

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