Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Jl. Prof. Soedarto, SH., Tembalang, Semarang, Indonesia
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@article{JKSA3310, author = {Abdul Haris and Didik Widodo and Lina Yuanita}, title = {Pengambilan Tembaga dari Batuan Bornit (Cu5FeS4) Variasi Rapat Arus dan Pengompleks EDTA Secara Elektrokimia}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {10}, number = {2}, year = {2007}, keywords = {bornit; tembaga; rapat arus; pengompleks EDTA}, abstract = { Telah dilakukan penelitian tentang pemisahan tembaga dari mineral bornit terhadap pengaruh rapat arus dan pengompleks EDTA secara elektrolisis. Serbuk bornit dilarutkan dalam besi(III) sulfat dan diendapkan dengan variasi rapat arus menggunakan elektrode karbon selama 1 jam.Dari hasil penelitian diperoleh kadar tembaga maksimal yang terlarut sebesar 14,88 % pada konsentrasi besi(III) sulfat 0,6 M. Semakin besar rapat arus yang digunakan pada elektrolisis, kuantitas endapan semakin meningkat dan endapan tembaga maksimal 1,69 mg terbentuk pada penambahan pengompleks EDTA 0,20 M dan rapat arus 0,05 A/cm2. Keberadaan pengompleks EDTA mampu menurunkan potensial yang diperlukan sehingga meningkatkan kemurnian dan kekuatan pelapisan tembaga. Kemurnian endapan tembaga tertinggi didapatkan pada elektrolisis dengan penambahan pengompleks EDTA 0,20 M sebesar 93,88% Kata kunci:bornit, tembaga, rapat arus, pengompleks EDTA }, issn = {2597-9914}, pages = {31--36} doi = {10.14710/jksa.10.2.31-36}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/3310} }
Refworks Citation Data :
Telah dilakukan penelitian tentang pemisahan tembaga dari mineral bornit terhadap pengaruh rapat arus dan pengompleks EDTA secara elektrolisis. Serbuk bornit dilarutkan dalam besi(III) sulfat dan diendapkan dengan variasi rapat arus menggunakan elektrode karbon selama 1 jam.Dari hasil penelitian diperoleh kadar tembaga maksimal yang terlarut sebesar 14,88 % pada konsentrasi besi(III) sulfat 0,6 M. Semakin besar rapat arus yang digunakan pada elektrolisis, kuantitas endapan semakin meningkat dan endapan tembaga maksimal 1,69 mg terbentuk pada penambahan pengompleks EDTA 0,20 M dan rapat arus 0,05 A/cm2. Keberadaan pengompleks EDTA mampu menurunkan potensial yang diperlukan sehingga meningkatkan kemurnian dan kekuatan pelapisan tembaga. Kemurnian endapan tembaga tertinggi didapatkan pada elektrolisis dengan penambahan pengompleks EDTA 0,20 M sebesar 93,88%
Kata kunci:bornit, tembaga, rapat arus, pengompleks EDTA
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