Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA16632, author = {Erna Kurnia Sari and Choiril Azmiyawati and Taslimah Taslimah}, title = {Modifikasi Silika Gel dari Abu Sekam Padi dengan γ-Glycidoxyopropyltrimethoxysilane dan Mercaptobenzothiazole untuk Adsorpsi Logam Kadmium(II)}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {13}, number = {3}, year = {2010}, keywords = {modifikasi; abu sekam padi; γ-glycidoxypropyl trimethoxysilane}, abstract = {Telah dilakukan modifikasi permukaan silika gel yang disintesis dari abu sekam padi menggunakan Mercaptobenzothiazole (MBT) dengan agen penghubung γ-glycidoxypropyltrimethoxysilane (γ-GPTMS) untuk mengadsorpsi Cd 2+ dalam medium air. Sintesis silika gel termodifikasi Mercaptobenzothiazole dilakukan melalui pembuatan natrium silikat, pembentukan silika gel, pengikatan gugus epoksi dan MBT pada silika gel, dan adsorbsi silika gel pada logam Cd 2+ . Modifikasi silika gel dilakukan dengan tiga variasi urutan penambahan reagen pada kisaran pH campuran 5,5-5,8. Variasi pertama, silika gel ditambahkan ligan MBT yang telah direaksikan dengan γ-GPTMS, variasi kedua silika gel ditambahkan dengan ligan MBT yang telah bereaksi dengan γ-GPTMS dan variasi ketiga dilakukan dengan pencampuran simultan larutan natrium silikat dengan HCl 6M dan ligan MBT yang telah diikatkan dengan γ-GPTMS. Hasil penelitian menunjukan bahwa modifikasi permukaan silika gel yang disintesis dari abu sekam padi menggunakan Mercaptobenzothiazole dengan agen penghubung γ-glycidoxypropyltrimethoxysilane dapat dilakukan. Diperoleh pula bahwa adsorben kedua memiliki kemampuan adsorpsi terhadap Cd 2+ yang lebih besar daripada adsorben pertama dan ketiga, yaitu 0,108 mmol/gram.}, issn = {2597-9914}, pages = {71--75} doi = {10.14710/jksa.13.3.71-75}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/16632} }
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