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Susanto Susanto
Fakultas Teknik Universitas Pandanaran Semarang
Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering Mechanical Engineering

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SINTESIS NANOMATERIAL MAGNETIT-SITRAT DAN PENGUJIAN APLIKASINYA SEBAGAI ADSORBEN EMAS (III) Susanto Susanto; Ricka Prasdiantika; Theodor C.M. Bolle
Jurnal Teknosains Vol 6, No 2 (2017): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.10821

Abstract

This study aims to synthesize of  magnetite nanomaterial was dispersed with trisodium citrate (Fe3O4@citrate), carry out the characterization, and testing of  its application in adsorbing of Au(III). Research carried out by synthesis of Fe3O4 with stirring using ultrasonic waves to synthesis of magnetite in the system of co-precipitation, using sodium citrate as dispersing agent of magnetite, and using acetone-water as solvent at washing of magnetite. Synthesized product was characterized by Fourier Transform Infrared spectrophotometer (FTIR), X-ray diffractometer (XRD), and transmission electron microscope (TEM). The characterized results indicate that Fe3O4@citrate has successfully synthesized with particle size of 17 nm. Fe3O4@citrate has smaller particle size, has smaller aggregates and has better particle dispersion than Fe3O4 without citrate. Testing the potential of synthesized Fe3O4@citrate as adsorbent of Au(III) from HAuCl4 solution of 200 ppm at pH 3. The Synthesized Fe3O4@citrate adsorbed the gold(III) of (81.554 ± 1.403) mg/g.
PREPARASI DAN PENENTUAN JENIS OKSIDA BESI PADA MATERIAL MAGNETIK PASIR BESI LANSILOWO Ricka Prasdiantika; Susanto Susanto
Jurnal Teknosains Vol 6, No 1 (2016): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.11385

Abstract

This study aims to preparation, identify the content, and determine the type of iron oxide on the magnetic material from Iron Sand Lansilowo. Magnetic material is separated from iron sand using an external magnet. Magnetic material washes by using aquadest and dried at 80 °C. Materials were characterized by X-Ray fluorescence (XRF), Fourier Transform Infrared (FT-IR) spectrophotometer, X-ray diffractometer (XRD) and Transmission electron microscope (TEM). The results show that the magnetic material of iron sand Lansilowo contains elements of Fe (46.13%), the element Cr (28.08%), Mg (10,11%), Si (8.20%) and other minor elements. Iron oxide contained in iron sand Lansilowo is dominated by magnetite iron oxide (Fe3O4). The results of characterization show that the magnetic material of iron sand still contain oxide impurities such as silica oxide and chromium oxide
Co-Authors Ricka Prasdiantika Theodor C.M. Bolle