Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA18415, author = {Aulannisa Elqudsy and Rum Hastuti and Didik Widodo}, title = {Pengaruh Penambahan Polivinil Alkohol pada Biomassa Tongkol Jagung-Bulu Ayam sebagai Adsorben Campuran Ion Logam Timbal (Pb2+) dan Ion Logam Krom Total}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {18}, number = {1}, year = {2015}, keywords = {polivinil alkohol (PVA); BET; FTIR}, abstract = {Penelitian tentang pengaruh penambahan polivinil alkohol (PVA) pada biomassa tongkol jagung-bulu ayam untuk adsorben campuran ion timbal (Pb 2+ ) dan ion krom total telah dilakukan. Tujuan penelitian ini adalah untuk mendapatkan adsorben tongkol jagung-bulu ayam yang terikat silang (A 1 ) dan adsorben tongkol jagung bulu ayam-PVA (A 2 ), memperoleh data karakter menggunakan FTIR dan BET serta mendapatkan data efektivitas adsorben dalam menyerap campuran ion Pb 2+ dan ion krom total. Penelitian dilakukan melalui beberapa tahap yaitu pembuatan adsorben A 1 , pembuatan adsorben A 2 , karakerisasi menggunakan FTIR dan BET. Selanjutnya adsorben A 1 dan A 2 digunakan untuk penyerapan campuran ion logam Pb 2+ dan ion logam krom total dengan variasi waktu kontak dan konsentrasi. Data FTIR menunjukkan bahwa adsorben A 1 mempunyai gugus OH yang lebih banyak dibandingkan A 2 . Hasil analisis BET menunjukkan adsorben A 2 mengalami penurunan luas permukaan dan total volume pori sebesar 39,83% dan 21,95% serta peningkatan rata-rata ukuran pori sebesar 30,12%. Daya adsorpsi adsorben A 1 adalah sebesar 5,22 x 10 -5 mol/g untuk Pb 2+ dan 1,05 x 10 -4 mol/g untuk ion logam krom total, sedangkan oleh adsorben A 2 adalah sebesar 4,10x 10 -5 mol/g untuk Pb 2+ dan 7,77 x 10 -5 mol/g untuk ion logam krom total. Berdasarkan hasil penelitian dapat disimpulkan bahwa adsorben A 2 mempunyai kemampuan adsorpsi ion logam yang lebih baik dibandingkan adsorben A 1 .}, issn = {2597-9914}, pages = {1--6} doi = {10.14710/jksa.18.1.1-6}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18415} }
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