Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA18455, author = {Resti Utami and Rum Hastuti and Khabibi Khabibi}, title = {Pengaruh H2SO4 pada PVA dalam Modifikasi Tongkol Jagung-Bulu Ayam sebagai Adsorben Campuran Logam Pb(II) dan Cd(II)}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {18}, number = {2}, year = {2015}, keywords = {adsorpsi; adsorben tongkol jagung-bulu ayam; kapasitas adsorpsi}, abstract = {Adsorben tongkol jagung-bulu ayam termodifikasi PVA-H2SO4 telah berhasil dibuat dengan mencampurkan tongkol jagung, adsorben bulu ayam, PVA-H2SO4 dan gluteraldehid sebagai agen pengikat silang. Adsorben dikarakterisasi menggunakan gas sorption analysis (GSA) dan Fourier transform infrared spectroscopy (FTIR). Adsorpsi dilakukan pada pH 5 dengan variasi waktu kontak dan konsentrasi melalui metode perendaman. Hasil analisis FTIR mengindikasikan bahwa penambahan H 2 SO 4 pada PVA tidak menunjukkan adanya spekta gugus fungsi baru. Sedangkan hasil analisis GSA menunjukkan bahwa adsorben termodifikasi PVA-H 2 SO 4 mempunyai sifat fisik permukaan yang lebih baik dibandingkan dengan adsorben tanpa modifikasi. Kapasitas adsorpsi maksimum dari model isoterm Langmuir pada adsorben tongkol jagung-bulu ayam termodifikasi PVA-H 2 SO 4 adalah lebih besar yaitu 9,199 mg/g untuk Pb 2+ dan 6,752 mg/g untuk Cd 2+ dibandingkan adsorben ayam tanpa modifikasi dengan kapasitas adsorpsi maksimum untuk Pb 2+ dan Cd 2+ masing-masing adalah 8,613 mg/g dan 5,862 mg/g.}, issn = {2597-9914}, pages = {44--49} doi = {10.14710/jksa.18.2.44-49}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18455} }
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