PEMBUATAN KOMPOSIT KITOSAN-BENTONIT DAN UJI KESTABILANNYA

BUDIKRISTINA, YOHANA and Hariani, Poedji Loekitowati and Riyanti, Fahma (2014) PEMBUATAN KOMPOSIT KITOSAN-BENTONIT DAN UJI KESTABILANNYA. Undergraduate thesis, Sriwijaya University.

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Abstract

Telah dilakukan pembuatan antara kitosan yang berasal dari limbah cangkang udang dengan Ca-bentonit untuk menghasilkan komposit kitosan-bentonit dengan perbandingan kitosan:Ca-bentonit (1:5). Penelitian ini bertujuan untuk mengetahui kestabilan komposit kitosan-bentonit sebagai adsorben terhadap suhu dan pH. Karakterisasi kitosan, Ca-bentonit, dan komposit kitosan-bentonit dilakukan menggunakan Fourier Transform Infra Red\ dan X-Ray Difraction. Hasil analisis FTIR pada komposit kitosan-bentonit menunjukkan munculnya pita serapan yang merupakan serapan khas dari kitosan pada bilangan gelombang 2931,6 cm’1 dan 1560,3 cm’1. Serapan khas Ca-bentonit pada komposit, berada pada bilangan gelombang 1033,8 cm'1 dan 912,3 cm’1. Hasil karakterisasi XRD menunjukkan pembentukan komposit kitosan-bentonit dengan adanya pergeseran nilai 20 dan penurunan nilai d antara Ca-bentonit dan komposit kitosan-bentonit. Pengujian kestabilan komposit kitosan-bentonit dilakukan pada kondisi yang bervariasi yaitu pada suhu 60, 80, 100, 120°C dan pada pH 4, 5, 6, 7, 8, dan 9. Hasil karakterisasi FTIR menunjukkan bahwa komposit kitosan-bentonit tidak mengalami perubahan struktur. Kata kunci: kitosan, Ca-bentonit, komposit kitosan-bentonit, uji kestabilan.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: tulang sapi, tulang ikan, kalsium oksida, katalis, biodiesel.
Subjects: Q Science > QD Chemistry > QD1-999 Chemistry
Divisions: 08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User: Mrs. Elly Suryani
Date Deposited: 02 Mar 2022 01:45
Last Modified: 02 Mar 2022 01:45
URI: http://repository.unsri.ac.id/id/eprint/65677

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