PRODUKSI AIR BROM DARI AIR TUA (BITTERN) DENGAN METODE ELEKTROLISIS

TUTIK, 1327011019 (2015) PRODUKSI AIR BROM DARI AIR TUA (BITTERN) DENGAN METODE ELEKTROLISIS. UNSPECIFIED.

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ABSTRAK.pdf

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COVER DALAM.pdf

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HALAMAN PERSETUJUAN.pdf

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HALAMAN PENGESAHAN.pdf

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DAFTAR GAMBAR.pdf

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DAFTAR ISI.pdf

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DAFTAR TABEL.pdf

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MOTTO.pdf

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PERNYATAAN (SCAN).pdf

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PERSEMBAHAN.pdf

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RIWAYAT HIDUP.pdf

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SANWACANA.pdf

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Abstrak (Berisi Bastraknya saja, Judul dan Nama Tidak Boleh di Masukan)

The study of method the role of three electrochemical variables, electrochemical potential, contact time, and the concentration of Br - from bittern, was investigated. This study, using raw materials of bittern which is known to potentially contain bromide ions greater than sea water and well water, for bromine production utilizing with electrolysis method. Results of research performance electrolysis method using a solution of sodium bromide obtained optimum potential of 5 volts, the optimum contact time of 45 minutes, and the minimum concentration of 25 ppm bromide ion. These parameters less appropriate when applied to a bittern samples. Ion reduction results in a bittern by adding sodium hydroxide to produce magnesium hydroxide precipitate. The result of Ion Chromatography (IC) did not show positive value for bromine, as covered by a very high concentration of chlorine in the filtrate. The Result of UV-Vis spectrophotometer to test the feasibility of the method by standard addition method. Percent of recovery obtained at 100,00 %, it indicates that the electrolysis method is good. Keywords: bromine, bittern (air tua), electrolysis, Ion Chromatography (IC), UV-Vis Spectrophotometer Telah dilakukan penelitian terhadap tiga variabel metode elektrolisis yakni potensial, waktu kontak, dan konsentrasi untuk memperoleh bromin dari air tua (bittern). Pada penelitian ini, digunakan bahan baku air tua (bittern) yang diketahui berpotensial mengandung ion bromida lebih besar dari air laut dan air sumur, untuk produksi air brom. Hasil penelitian yang diperoleh dari variabel metode elektrokimia adalah potensial optimum 5 volt, waktu kontak optimum 45 menit, dan konsentrasi minimum ion bromida 15 mg/L. Parameter-parameter tersebut kurang sesuai bila diterapkan pada sampel air tua (bittern). Hasil pengurangan ion pada air tua (bittern) dengan menambahkan natrium hidroksida menghasilkan endapan magnesium hidroksida. Hasil pengukuran Ion Chromatography (IC) tidak menunjukan nilai yang positif untuk bromin, karena tertutupi oleh konsentrasi klorin yang sangat tinggi pada filtrat. Dari hasil pengukuran spektrofotometer UV-Vis dilakukan uji kelayakan metode, yakni menggunakan metode standar adisi. Persen recovery yang diperoleh sebesar 100,00 %, hal ini menandakan bahwa metode elektrolisis sudah baik. Kata kunci: bromin, air tua (bittern), elektrolisis, Ion Chromatography (IC), spektrofotometer UV-Vis

Jenis Karya Akhir: Skripsi
Subyek: > Q Science (General)
> QD Chemistry
Program Studi: FAKULTAS MIPA > Prodi Kimia
Pengguna Deposit: 1955079 . Digilib
Date Deposited: 14 Jul 2015 03:53
Terakhir diubah: 03 Nov 2015 08:00
URI: http://digilib.unila.ac.id/id/eprint/11172

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