Phase Composition and Magnetic Behaviour of Iron Sand from Syiah Kuala Beach Prepared by Mechanical Alloying

Jalil, Zulkarnain; Sari, Eva Novita; Ismail, Anas; Handoko, Erfan

doi:10.13057/ijap.v4i01.1180

Cited by 5 publications

(5 citation statements)

References 4 publications

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“…Komposisi unsur pada pasir pantai terdapat dalam bentuk oksida logam. Oksida logam dengan persentase komposisi yang tinggi tergolong dalam unsur mayor sedangkan unsur/mineral dengan persentase kecil merupakan mineral-mineral minor [1][2][3]. Pasir pantai terdiri atas beberapa warna yakni pasir pantai warna putih, pasir pantai warna hitam dan lainnya.…”

Section: Pendahuluanunclassified

“…Berdasarkan gambar 1, menunjukkan bahwa pasir tiga warna Pantai Puntaru memiliki kandungan silica quartz (SiO2) dengan yang ditunjukkan melalui karakteristik puncak utama dengan 2θ pada daerah 20,72°; 24,34°; 26,54° dan 42,39° dengan puncak utama pada daerah 24,34° [2,13]. Pada pasir tiga warna terdapat kandungan K2O terlihat pada 2θ daerah 24,40° dengan intensitas 50% dan adanya hematit (Fe2O3) dan magnetit (Fe3O4) pada 2θ daerah 35° dengan intensitas 6,72% serta Al2O3 pada 2θ daerah 42,50° dengan intensitas 15,62% [3,6,14,15].…”

Section: Analisis X-ray Diffraction (Xrd)unclassified

“…Hasil analisis spektra FTIR pada gambar 2 menunjukkan bahwa daerah pada bilangan gelombang 3380 cm -1 merupakan vibrasi gugus O-H dari Si-OH yang tumpang tindih dengan vibrasi gugus O-H dari Fe-OH mengindikasikan bahwa pada pasir tiga warna terdapat silika oksida dan besi oksida [3].…”

Section: Gambar 2 Spektra Ftir Pasir Tiga Warna Pantai Puntaruunclassified

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Identifikasi Mineral Pasir Tiga Warna Pantai Puntaru Kabupaten Alor-NTT

Karbeka

Manimoy

Abolasinga

2021

fuller. j. of chem.

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Puntaru beach is famous for its three-colored sand that is mixed into one of them reddish-brown, black, and white sand. Research on the mineral composition of the tricolor sand has been conducted so that the use of three-colored sand is still done traditionally. This study aims to obtain information on the silica content and other mineral compositions of the three-colored sand of Puntaru Beach as initial data for further development. The three-color sand preparation process is carried out by the method of milling / crushing sand samples then sieving and washing with H2O. Stages of characterization of silica in three-colored sand were carried out using X-ray fluorescence (XRF), X-ray powder diffraction (XRD), and Fourier-transform infrared (FTIR). The analysis showed that the percentage of Si was the most dominant 45.28%, followed by Fe 25.94% and other minor elements. XRD results show that the three-colored sand contains quartz mineral (SiO2) identified at the main peak with 2 with in the 24.34 ° area. The black color of the sand is influenced by Fe content of 25.94% with hematite metal oxide (Fe2O3) 15.80% and reddish-brown influenced by the presence of sulfur (3.25%) in the form of mineral SO3 4.32%.

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Section: Pendahuluanunclassified

Section: Analisis X-ray Diffraction (Xrd)unclassified

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Identifikasi Mineral Pasir Tiga Warna Pantai Puntaru Kabupaten Alor-NTT

Karbeka

Manimoy

Abolasinga

2021

fuller. j. of chem.

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“…Hingga saat ini belum dilakukan upaya untuk pemanfaatan pasir besi sebagai sumber besi oksida. Pasir besi alam mengandung mineral-mineral magnetik seperti magnetit (Fe3O4), hematit (α-Fe2O3) sebagai mineral utama (senyawa dominan) dan maghemite (γ-Fe2O3), silika (SiO2), alumina (Al2O3), rutil (TiO2) [3] , dan ilmenit (FeTiO3) [4] sebagai senyawa minor. Perbedaan kadar kandungan mineral disebabkan oleh tatanan geologi dan proses mineralisasi di setiap wilayah.…”

Section: Pendahuluanunclassified

Komposisi Unsur Dan Mineral Dalam Pasir Besi, Residu Bauksit Di Pt. Indonesia Chemical Alumina (Ica) (Elemental Composition and Minerals in Iron Sand, Bauxite Residue at Pt. Indonesia Chemical Alumina (Ica)

2021

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Iron sand is obtained from one of the waste treatments stages of bauxite residue called red mud, operated at PT. Indonesia Chemical Alumina (PT. ICA). Preliminary analysis of the sand indicates that the main element contained in the sand is iron with a percentage of up to 60% and titanium at 10%. This study aims to determine the elemental composition and mineral characteristics of sand that was separated magnetically from the iron sand. Magnetic separation was carried out in two stages, namely separation using a weak magnets and strong magnets. The separation resulted in approximately 71% of strong magnetic sand. The rest was separated using the strong magnet giving almost 70% of weak magnetic sand while the residue is non-magnetic sand. The weak magnetic sand was analyzed using XRF and XRD to determine elemental composition as well as the type of mineral contained in the material. Elemental analysis showed that the weak magnetic sand contains 66.331% of iron, 13,120% of silicone, 9.216% of aluminum and 7.040% of titanium. The XRD analysis presented that crystalline phase in the sand consists of ilmenite, hematite, goethite, quartz and rutile.

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“…Sand iron compounds contain magnetite (Fe3O4) [4], hematite (α-Fe2O3) [5] as the main minerals (predominantly compound) and maghemite (γ-Fe2O3), silica (SiO2) [6], alumina (Al2O3), rutile (TiO2) [7], and ilmenite (FeTiO3) [8] as a minor compound. The differences in levels of mineral content due to geological structure and mineralization processes in each region.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Barium M-Hexaferrite with Doping Zn and Mn for Microwaves Absorbent

Susilawati

Doyan

Taufik

et al. 2019

MSF

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The research was conducted to examine the content of Fe and other metal in natural sand of beach Ampenan, Mataram, Indonesia which is expected to be used as microwave absorbent material. Characterizations of the electrical and magnetic properties Barium M-Hexaferrite (BaM) with Zn-Mn doping (BaFe12-2xZnxMnxO19) are biosynthesized. Research carried out among others tested the metal content of Fe and other metals, synthesize BaFe12-2xZnxMnxO19. The samples were characterized using Vibrating Sample Magnetometer (VSM) and Network Vector Analyzer (VNA) for the test properties of electricity and magnetism, as well as the absorption of microwaves. The results from the AAS (Atomic Absorption Spectroscopy) testing showed that each gram of magnetic minerals in the natural sand containing 16.27 mg Fe, which states that the majority of metal components content is 69.80% Fe metal with the Magnetite and Hematite phases. The result from VSM showed that the coercivity value decreased when doping ion concentration and calcination temperature increased (0.16 Tesla at 600°C for x = 0.0 and 0.09 Tesla at 800°C for x = 1.0). Value of magnetic saturation and the magnetic remanence decreased with increasing ion concentration (Ms= 4.94 emu/g at x = 0.0 decreased to 0.31 emu/g at x = 1.0) and Mr = 3.43 emu/g for x = 0.0 decreased to 0.06 emu/g at x=1.0. These indicates that the sample has been soft magnetic. The result from VNA showed that the electrical conductivity values measured in the range 8.0-15.0 GHz indicate that the sample is a semiconductor (1.62×10-2 S/cm). The result from VNA showed that the microwave absorption properties increased at higher concentration of doping ions and the calcination temperature would increase the value of Reflection Loss (RL). Maximum RL value of the sample is -14.37 dB at 15 GHz and the absorption coefficient of 96.34%. These results indicate that the BaFe10.8Zn0.6Mn0.6O19 sample can be applied as a microwave absorbent material on X-band to Ku- band frequency. Keyword: Characterization, Barium M-Hexaferrite, doping, microwave, absorbent.

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Phase Composition and Magnetic Behaviour of Iron Sand from Syiah Kuala Beach Prepared by Mechanical Alloying

Cited by 5 publications

References 4 publications

Identifikasi Mineral Pasir Tiga Warna Pantai Puntaru Kabupaten Alor-NTT

Identifikasi Mineral Pasir Tiga Warna Pantai Puntaru Kabupaten Alor-NTT

Komposisi Unsur Dan Mineral Dalam Pasir Besi, Residu Bauksit Di Pt. Indonesia Chemical Alumina (Ica) (Elemental Composition and Minerals in Iron Sand, Bauxite Residue at Pt. Indonesia Chemical Alumina (Ica)

Characterization of Barium M-Hexaferrite with Doping Zn and Mn for Microwaves Absorbent

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