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All Journal JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI
Ni Putu Mega Triasswari
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Agriculture, Biological Sciences & Forestry

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KARAKTERISTIK KARBOKSIMETIL SELULOSA DARI ONGGOK SINGKONG PADA VARIASI KONSENTRASI NATRIUM HIDROKSIDA DAN ASAM TRIKLOROASETAT Ni Putu Mega Triasswari; I Wayan Arnata; I Wayan Gede Sedana Yoga
JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI Vol 10 No 3 (2022): September
Publisher : Department of Agroindustrial Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JRMA.2022.v10.i03.p07

Abstract

Onggok is tapioca solid waste that contains high cellulose but has not been used appropriately. This study aims to determine the concentration of NaOH and TCA to produce the best CMC characteristics of onggok. The study used a factorial randomized block design. The factor I was the concentration of NaOH (15%; 30%; and 45%), and factor II was the concentration of TCA (10%; 20%; and 30%). The variables observed included yield, water content, degree of substitution, NaCl content, and purity. The results showed that the concentration of NaOH and TCA significantly affected the yield, water content, degree of substitution, NaCl content, and purity of CMC. The concentrations of 45% NaOH and 30% TCA produced the best CMC characteristics with yield, moisture content, degree of substitution, viscosity, NaCl content, and CMC purity of 109.65±0.78%, 9.57±0.53%, 1.13±0.12, 170.00±10.00cPs, 0.86±0.40%, and 99.14±0.40%, respectively.
Co-Authors I W.G. SEDANA YOGA I Wayan Arnata