Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA17690, author = {Byan Pratama and Didik Widodo and Gunawan Gunawan}, title = {Pengaruh pH pada Penurunan Kadar Ion Sianida secara Elektrokimia dengan Elektroda PbO2/Grafit}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {15}, number = {3}, year = {2012}, keywords = {elektrolisis; sianida; PbO2; pH}, abstract = {Telah dilakukan penelitian mengenai pengaruh pH pada penurunan kadar ion sianida secara elektrokimia dengan elektroda PbO 2 /grafit. Tujuan dari penelitian ini adalah menurunkan kadar sianida dengan metode elektrolisis menggunakan elektroda PbO 2 /grafit dan mengkaji pengaruh pH terhadap penurunan kadar sianida dalam limbah artificial dengan elektroda PbO 2 /grafit. Logam PbO 2 digunakan sebagai anoda dan grafit sebagai katoda. Elektrolisis dilakukan selama 8 jam disertai pengadukan dan variasi pH dengan potensial aplikasi sebesar 5,0 volt. Variasi pH yang digunakan adalah 7, 8, 9, 10, 11, 12, dan 13 yang diatur dengan penambahan H 2 SO 4 atau NaOH. Analisis sianida dilakukan secara kuantitatif dengan metode spoktrofotometri UV-Vis , sedangkan analisis karbonat dan amoniak dilakukan secara kualitatif. Hasil penelitian menunjukkan bahwa metode elektrolisis dengan elektroda PbO 2 /grafit mampu menurunkan kadar sianida sampai 100% dan pada pH basa penurunan kadar sianida cenderung meningkat dengan peningkatan pH. Elektrolisis larutan sianida menghasilkan karbonat dan amoniak.}, issn = {2597-9914}, pages = {84--87} doi = {10.14710/jksa.15.3.84-87}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/17690} }
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