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

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PENGARUH PELARUT TERHADAP DISPERSI PARTIKEL Fe 3O4@SITRAT. Susanto Susanto; Ricka Prasdiantika; Theodor C.M. Bolle
Jurnal Sains Materi Indonesia Vol 17, No 4: JULI 2016
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (280.528 KB) | DOI: 10.17146/jsmi.2016.17.4.4176

Abstract

PENGARUH PELARUT TERHADAP DISPERSI PARTIKEL Fe 3O4@SITRAT. Magnetit (Fe3O4) memiliki sifat yang khas dan memiliki banyak aplikasi dalam berbagai bidang. Dispersi partikel berperan penting dalam menentukan sifat magnetit. Tujuan penelitian ini adalah untuk mengetahui pengaruh jenis pelarut (aseton-air dan aseton-etanol) terhadap dispersi partikel Fe3O4@sitrat.Sintesis Fe3O4 dilakukan menggunakan natrium sitrat sebagai agent pendispersi magnetit melalui pengadukan dengan gelombang ultrasonik pada sistem co-presipitasi, kemudian dilakukan pencucian dengan variasi pelarut. Produk hasil sintesis dikarakterisasi dengan Fourier Transform Infrared Spectrophotometer (FT-IR), X-Ray Diffraction (XRD), dan Transmission Electron Microscope (TEM). Hasil menunjukkan bahwa Fe3O4 yang terdispersi oleh natrium sitrat dengan pencucian aseton-air menghasilkan dispersi partikel yang lebih baik dan memiliki agregat yang lebih kecil dibandingkan pencucian aseton-etanol.
PENGARUH RUTE SINTESIS TERHADAP KEEFEKTIFAN PENGIKATAN GUGUS PDETA PADA SINTESIS Fe3O4@SiO2@PDETA Susanto Susanto; Ricka Prasdiantika
Jurnal Teknosains Vol 8, No 1 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.36264

Abstract

Synthesis of Fe3O4@SiO2 modified with propyldiethylenetriamine (Fe3O4@SiO2@PDETA) with variation of synthesis routes have been investigated. Research was begun with synthesis of Fe3O4 using dispersion agent of trisodium citrate at coprecipitation system through stirring using ultrasonic wave. Coating magnetite with propyldiethylenetriamine modified silica was carried out through sol-gel process with two different mixing sequences of raw materials (two synthesis routes) with main materials of Fe3O4 synthesized, N-[3-(Trimethoxysilyl)propyl]-diethylenetriamine (TMSPDETA) and Na2SiO3. The products were characterized by fourier transform infrared (FTIR) spectrophotometer and scanning electron microscope-energy dispersive X-ray (SEM-EDX). Results indicate that Fe3O4@SiO2@PDETA has been synthesized succesfully. Fe3O4@SiO2@PDETA synthesized through route 1 (magnetite mixed with a mixture TMSPDETA and Na2SiO3) contains more propyldiethylenetriamine group than that of through route 2 (magnetite mixed with Na2SiO3 solution, then mixed with TMSPDETA)
Co-Authors Ricka Prasdiantika Theodor C.M. Bolle