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• The exact proportions of cellulose, hemicellulose, and lignin cannot be quantified from the present data.
• The band at ~1029 cm⁻¹, in addition to lignin alcohol deformation, may include a silanol contribution [8], suggesting a possible minor inorganic additive or contamination.
• The assignment of the 1620 cm⁻¹ band to lignin aromatic structures is plausible but remains ambiguous due to potential overlap with amide I or water bending modes.

Pași următori recomandați: Perform a wet chemical analysis (e.g., Van Soest fiber analysis) or thermogravimetric analysis to confirm the lignocellulosic composition. If inorganic contamination is suspected, acquire EDX or XRF data to check for Si or other elements. Consider collecting a high‑quality ATR spectrum with extended baseline for more accurate differentiation of the components in the C–O envelope region.