HASIL ISOLASI SELULOSA SERAT TANAMAN LIDAH MERTUA DENGAN VARIASI SUHU REAKSI SEBAGAI BAHAN PEMBUATAN MEMBRAN SELULOSA ASETAT
DOI:
https://doi.org/10.34151/prosidingsnast.v8i1.4162Keywords:
isolation; Sansevieria trifasciata; cellulose; fiberAbstract
The increase in population density in Indonesia makes human activities carried out higher which can lead to a decrease in environmental quality. One way to overcome this, we need a plant that can reduce harmful pollutants inside and outside the room, namely the mother-in-law's tongue plant (Sansevieria trifasciata). Making membranes using natural raw materials is easier to obtain when compared to other membrane materials. When compared with other chemical components in lignocellulosic complex materials, pure cellulose has received more attention in biomass-based research. Cellulose in particular has great potential as an alternative membrane material or its derivatives such as cellulose acetate. Isolation is a stage in the manufacture of membranes to separate cellulose from other contents contained in the mother-in-law's tongue plant. Indonesia has a wealth of natural resources as a potential cellulosic material. The purpose of this study was to determine the effect of temperature variations on the yield of cellulose in the process of isolating cellulose fibers from the mother-in-law's tongue plant into cellulose acetate membranes. The temperature variations used are 45℃, 60℃ and 75℃ in the isolation process to show the difference in wave numbers on the cellulose functional groups. Based on the results of the study, the temperature variation of 60℃ with the addition of HNO3 levels showed the wave number closest to pure cellulose with the wavelength of the functional group O-H Stretch, C-H Stretch, CH2 Bend, C-H Bend and C-O Stretch respectively, namely 3352.28 cm-1, 2866.22 cm -1, 1419.61 cm-1, 1315.45 cm-1 and 1022.27 cm-1
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