Harefa, Nelius (2013) PENGARUH KONSENTRASI DITHIZON DAN LAMA WAKTU PENDIAMAN EMULSI TERHADAP PEMISAHAN ION LOGAM ZN2+ DENGAN TEKNIK EMULSI MEMBRAN CAIR. Undergraduate thesis, UNIMED.
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Abstract
Telah dilakukan penelitian mengenai pemisahan ion logam Zn2+ menggunakan teknik emulsi membran cair dengan dithizon sebagai larutan pembawa. Konsentrasi dithizon (perbandingan volume dithizon : kloroform) di variasikan dengan lama waktu pendiaman emulsi. Penelitian ini merupakan penelitian eksperimental dengan menggunakan Rancangan Acak Lengkap (RAL) pola faktorial, dengan dua faktor yaitu faktor pertama: konsentrasi dithizon (perbandingan volume dithizon dengan kloroform) terdiri dari 3 konsentrasi yang berbeda yaitu: C1 (1: 3), C2 (1 : 1) dan C3 (3 : 1). Faktor kedua: Lama waktu pendiaman emulsi (t) yaitu: t1 : 5 menit, t2 : 10 menit dan t3 : 15 menit dengan masing-masing tiga ulangan.Ion Zn2+ yang tidak terserap oleh emulsi membran diukur dengan AAS pada λ : 213,9 nm. Analisis data diperoleh bahwakonsentrasi dithizon optimum dalam menyerap ionZn2+ pada konsentrasi (perbandingan volume dithizon : kloroform) optimum 1 : 3 dengan lama waktu pendiaman emulsi5 menit dengan keefektifan mencapai 93,56 %. Berdasarkan hipotesis untuk faktor konsentrasi dithizonF hitung 212424,223 > F tabel 99,38.Pemberian konsentrasi dithizon memberikan pengaruh terhadap persen perolehan pada pemisahan ion logam Zn2+. Untuk faktor waktu pendiaman emulsiF hitung 1358,52703 > F tabel 99,38.Waktu pendiaman emulsi memberikan pengaruh terhadap persen perolehan pada pemisahan ion logam Zn2+dan untuk faktor interaksi konsentrasi dithizon dan waktu pendiaman emulsiF hitung 392,761024 > F tabel 14,80. Interaksi konsentrasi dithizon dan waktu pendiaman emulsi memberikan pengaruh terhadap persen perolehan pada pemisahan ion logam Zn2+. Secara umum larutan pembawa dithizon dapat dipakai untuk menyerap limbah ion Zn2+, sehingga teknik emulsi membran cair menggunakan larutan pembawa ini potensial dikembangkan menjadi teknik pengolahan limbah yang komersial.
Item Type: | Thesis (Undergraduate) | ||||||
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Contributors: |
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Call Number: | 540 Har p | ||||||
Keywords: | Logam Berat;Teknik Emulsi; Membran Cair | ||||||
Subjects: | Q Science > QD Chemistry Q Science > QD Chemistry > QD71 Analytical chemistry |
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Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia | ||||||
Depositing User: | Mrs Fitri Sry Juliati Sinaga | ||||||
Date Deposited: | 08 Apr 2016 08:34 | ||||||
URI: | http://digilib.unimed.ac.id/id/eprint/12522 |
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