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The main objective of this investigation is to study the physical, chemical, and morphological analysis of the optimal alkali-treated  Perotis indica  fiber (PIF). The PIF is treated with 5% (w/v) NaOH in different soaking times (i.e., 15 min, 30 min, 45 min, 60 min, and 75 min). Through thermogravimetric analysis, treatment is optimized at 5% NaOH in a soaking time of 60 min. That optimized alkali – treated PIF is used for further study. Fourier Infrared spectrum (FT-IR) analysis revealed that treatment has leached hemicellulose, lignin, and wax in the fiber. X-Ray Diffraction (XRD) showed improvement in Crystalline size (15.12 nm to 18.51 nm) and Crystalline index (48.3% to 55.43%). Morphological analysis was compared between untreated PIF and treated PIF by atomic force microscopic (AFM) analysis which exposed surface improvements after treatment.

Investigation of Optimal Alkali-treated Perotis indica Plant Fibers on Physical, Chemical, and Morphological Properties