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Journal : Jurnal Matematika

Kajian tentang Efek Garam terhadap Kinetika Transfer Co(II) dalam Sistem Dwi-Fasa Air/Asam di-(2-etilheksil)fosfat Hendrawan Hendrawan; Yaya Sonjaya; Hernani Hernani
Jurnal Matematika & Sains Vol 9, No 2 (2004)
Publisher : Institut Teknologi Bandung

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Abstract

The study of salt effect on kinetic of Co(II) transfer in aqueous/di-(2-ethylhexyl)phosphoric acid (D2EHPA) system has been performed using the technique of rotating membrane cell (RMC). Co(II) solutions in various conditions of aqueous phase were transferred into solution of di-(2-ethylhexyl)phosphoric acid in n-dodecane, as an organic phase, at various speeds of rotation. The result shows that the transfer of cobalt from aqueous into organic phase (D2EHPA) follows the transfer model of mass transfer with chemical reaction (MTWCR). The diffusion rate of complexed cobalt in the aqueous phase is the rate determining step. Higher ionic strenggt in bulk aqueous, lower affinity of aqueous solution to cobalt. The affinity of aqueous solution to cobalt becomes smaller as the ionic strength in the bulk aqueous increase.
Co-Authors Abdul Rasyid Adriani Lande Ahmad Aminudin Ahmad Idrus Albertho, Michael Fransiscus Ali Kusrijadi Andri Irawan Andriani Alimin Annifah, Riri Uswatun Arry Pongtiku Asep B.D. Nandiyanto Asep Kadarohman Asep Supriatna Ashfiya, Putri Sayyida Atep Rian Nurhadi Auliyah, Iriana Aziz, Hafiz Aji Candra Kurniawan Cecep Jaenudin Cuyun Suslianti Dedi Haryadi Dewi Miftahurrahmah Dr. Hendrawan Eli Hendrik Sanjaya Entar Sutisman Entis Sutisna Entis Sutisna Entis Sutisna Ermawati, Yana Fitri Khoerunnisa Fuji Ilyadi Hana Rohana Hani Halimah Fauzani Harry Firman Heli Siti Halimatul Hendrawan Hendrawan HERNANI - Husen, Sjamsiar Iasha, Yurin Karunia Apsha Albaina Iasya, Yurin Karunia Apsha Albaina Ibrahim, Muhdi B. Hi. Idrus, Achmad Iin Maemunah Ijang Rohman Indah Sari Iqbal Musthapa Irfan Abdulrachman Mubaroq Jayawarsa, A.A. Ketut Juliyanti Sidik Tjan Kartim Kartim Kartim Kartim, Kartim khusnul khotimah Kooh, Ricky Phylemon Labo, Irwan Adam M. Aldrin Akbar M. Muslim M. Yamin Noch Maji, Rusta Marihi, La Ode Marlindo, Indo Matelda Samori Momo Rosbiono Mr Ali Kusrijadi Mr Sjaeful Anwar Mr Yayan Sunarya Muh Yamin Noch Muh Yamin Noch Muhamad Nurul Hana Muhamad Yamin Noch Muhammad Ridhwansyah Pasolo Muhammad Ridwan Rumasukun Muhammad Yamin Noch Mursalam Salim Muslim Muslim Muslim Muslim Muthmainnah, Muthmainnah Najmia Fajri Astuti Noch, Muh Yamin Noch, Muhammad Yamin NOY, Ismail R. Nurhayati, Mita Nurwijayanti Omay Sumarna Pasolo, Fahrudin Pasolo, Muhammad Ridwansyah Pingky Chandra Priyanka Ridhwansyah Pasalo, Muhammad Rizki Deli Hasanah Sabet, Eli Saeful Anwar Sarfa, Muhammad Bayu Dermawan Septyana Prasetianingrum Septyana Prasetianingrum Siti Mariani Basannang Soja Siti Fatimah Sri Iswati Sumartono Sumartono Sumartono, Sumartono Suratini, Suratini Syafei M. Nur, Imran Taotubun, Najaradin Tauny Akbari Tete, Johni Tome, Sriyanti Triannisa Rahmawati Usman Pakasi Wamo, Steven Widiyanti, Silvia Wiji Adji Wiji Wiji Wilman Rahmat Nugraha Wombaibabo, Moses Yayan Sunarya Zakaria Zakaria Zakaria Zakaria