Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA18795, author = {Dewi Martina and Rum Hastuti and Didik Widodo}, title = {Peran Adsorben Selulosa Tongkol Jagung (Zea mays) dengan Polivinil Alkohol (PVA) untuk Penyerapan Ion Logam Timbal (Pb2+)}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {19}, number = {3}, year = {2016}, keywords = {tongkol jagung; PVA; adsorben; logam timbal}, abstract = {Telah dilakukan penelitian tentang peran adsorben selulosa tongkol jagung ( Zea mays ) dengan polivinil alkohol (PVA) untuk penyerapan ion logam timbal (Pb 2+ ). Penelitian ini bertujuan untuk membuat dan mengkarakterisasi adsorben tongkol jagung (TJ) dan tongkol jagung-PVA (TJ-PVA) serta menentukan kemampuan adsorben terhadap penyerapan logam Pb 2+ . Tahapan penelitian ini meliputi pembuatan, karakterisasi adsorben TJ dan TJ-PVA serta penentuan kemampuan menyerapan ion Pb 2+ pada variasi waktu kontak 10-150 menit, konsentrasi 5-20 ppm, dan pH 1-6. Karakterisasi dengan FTIR menunjukkan adanya gugus utama selulosa yaitu OH. Hasil GSA menunjukkan adanya kenaikkan luas permukaan sebesar 21,57%, penurunan diameter pori rata-rata sebesar 68% dan penurunan volume pori total sebesar 60,30%. Adsorpsi Pb 2+ terbaik oleh adsorben TJ diperoleh pada waktu kontak 90 menit, konsentrasi 5,79 ppm dengan Pb 2+ teradsorpsi sebesar 83,37%, dan pH 5. Sedangkan untuk adsorben TJ-PVA, adsorpsi terbaik terjadi pada waktu kontak 60 menit, konsentrasi 5,79 ppm dengan Pb 2+ teradsorpsi 66,88%, dan pH 5. Dapat disimpulkan bahwa adsorben TJ-PVA dapat digunakan sebagai adsorben ion logam.}, issn = {2597-9914}, pages = {77--82} doi = {10.14710/jksa.19.3.77-82}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18795} }
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