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Pengaruh Tripolifosfat Sebagai Agen Taut Silang Pada Membran Kitosan Terhadap Karakter Fisikokimia dan Kemampuan Permeasi

*Retno Ariadi Lusiana orcid scopus  -  Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
Ahmad Suseno orcid scopus  -  Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
Khabibi Khabibi orcid scopus  -  Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
Cahyaning Gesti Faradina  -  Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
Open Access Copyright 2021 Greensphere: Journal of Environmental Chemistry under http://creativecommons.org/licenses/by-sa/4.0.

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Abstract

Penelitian tentang modifikasi membran kitosan dengan taut silang menggunakan tripolifosfat telah dilakukan. Tujuan penelitian adalah untuk memodifikasi kitosan dengan tripolifosfat dan mengkarakterisasi serta menguji permeabilitasnya. Pada penelitian ini dihasilkan larutan dope kitosan tertaut silang tripolifosfat (CSTPP) dengan tiga rasio kitosan:tripolifosfat yaitu 1:0,5; 1:1; dan 1:2. Melalui metode inversi fasa didapatkan lembaran membran yang dipergunakan dalam proses permeasi kreatinin. Berdasarkan hasil karakterisasi Hasil karakterisasi menunjukkan bahwa modifikasi kitosan oleh TPP berpengaruh pada sifat fisikokimia membran. Kenaikan konsentrasi TPP dalam membran berkorelasi dengan peningkatan hidrofilisitas, nilai serapan air, derajat pengembangan, porositas, kemampuan fluks dan kemampuan permeasi membran.  Membran CSTPP2 dengan rasio mol 1:1 antara kitosan:TPP memiliki kemampuan permeasi terbaik.

Kata Kunci: taut silang; membran, CSTPP, permeasi
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Funding: Diponegoro University

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