Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA3273, author = {Sriatun Sriatun and Kuwatno Kuwatno and Suhartana Suhartana}, title = {Elektrodekolorisasi Indigo Karmin Menggunakan Alumina dan Karbon Bekas}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {10}, number = {3}, year = {2007}, keywords = {elektrodekolorisasi; indigo karmin; alumunium}, abstract = {Dekolorisasi zat warna indigo karmin telah dilakukan dengan metode elektrolisis. Dalam metode ini telah diteliti pengaruh pH dan temperatur terhadap kemampuan dekolorisasi indigo karmin. Adanya elektrokoagulasi/elektroflokulasi disebabkan oleh kemampuan flok Al(OH)3 mengadsorb indigo karmin dan membentuk kompleks Al-indigo karmin. Flok Al(OH)3 dihasilkan oleh elektrolisis larutan dengan menggunakan alumunium bekas sebagai anoda dan karbon sisa baterai sebagai katoda. Elektrolisis dilakukan selama 150 menit dengan tegangan luar 12 Volt. Hasil penelitian ini menunjukkan bahwa kemampuan dekorisasi terhadap indigo karmin oleh flok Al(OH)3 dipengaruhi oleh pH dan temperatur larutan. Kemampuan dekolorisasi minimum pada pH=6 dan akan meningkat pada kondisi basa dan asam. Persentase dekolorisasi maksimum pada temperatur ruang adalah 51,95% pada pH=14. Persentase dekolorisasi optimum adalah 98,33% pada temperatur 70oC pada pH=10.Kata kunci : elektrodekolorisasi, indigo karmin, alumunium}, issn = {2597-9914}, pages = {61--66} doi = {10.14710/jksa.10.3.61-66}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/3273} }
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