Effect of Nitration Temperature and Time on Nitrocellulose Synthesized from Pineapple (Ananas comosus) Leaf WasteYelmida Azis, Anton Algrinov and M. Asyraf HazzamyE3S Web Conf., 678 (2025) 02005DOI: https://doi.org/10.1051/e3sconf/202567802005