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PENGEMBANGAN GEOPOLIMER BERBASIS KARBON AKTIF SEBAGAI KERAMIK FILTER GANDA (DOUBLE FILTER) UNTUK APLIKASI PENGOLAHAN AIR SUMUR Nurhasmi, Nurhasmi; Junaedi, Subaer; Nurhayati, Nurhayati
Jurnal Sains dan Pendidikan Fisika Vol 11, No 3 (2015): Jurnal Sains dan Pendidikan Fisika
Publisher : Universitas Negeri Makassar

Abstract: The Development of Carbon Active Based Geopolimer as Double Filter Pottery for Well Water Processing Application. It has conducted a research on carbon active based geopolimer as pottery double filter for well water processing application. This research aims were to understand the micro structure of filter ceramic that produced, knowing the influence of the addition of active carbon, and to know how much debit of water which was obtained from the filter ceramic. The manufacture of filter ceramics was conducted by mixing all primary substances, which were metakaolin 30 g, active carbon 1 %, quartz sand 0.75 g, and aluminum foil 0,075 g. The compound then mixed with alkaline solution to form geopolimer paste then curing the paste at temperature of 70oC. The results of SEM characterization showed the existence of pore with size of ± 50 µm formed on the surface of sample; pore also appears at samples sized of 5 µm. The appropriate addition of active carbon for the production of ceramics was 1 % relative to the masses of sample. Water debit produced when the filter pottery was tested was of 0,035 mls/s for single filter and of 0,02 mls/s for double filter.Keywords: active carbon, ceramic double filter, geopolymerAbstrak: Pengembangan Geopolimer Berbasis Karbon Aktif Sebagai Keramik Filter Ganda (Double Filter) Untuk Aplikasi Pengolahan Air Sumur. Telah dilakukan penelitian geopolimer berbasis karbon aktif sebagai keramik filter ganda (double filter) untuk aplikasi pengolahan air sumur. Penelitian ini bertujuan untuk mengetahui struktur mikro dari keramik filter yang diproduksi, mengetahui pengaruh penambahan karbon aktif, dan berapa besar debit air yang diperoleh dari filter keramik tersebut. Pembuatan keramik filter dilakukan dengan cara dengan mencampurkan semua bahan dasar seperti metakaolin 30 g, karbon aktif 1%, pasir kuarsa 0,75 g, dan aluminium foil 0,075 g kemudian dicampurkan dengan larutan alkali sampai membentuk pasta geopolimer dan di-curing pada temperatur 70oC. Hasil karakterisasi SEM menunjukkan adanya pori dengan ukuran ±50 µm yang terbentuk pada permukaan sampel, tampak pula pori dari karbon aktif pada sampel dengan ukuran ±5 µm. Penambahan karbon aktif yang baik untuk produksi keramik adalah 1% relatif terhadap massa sampel. Debit air yang dihasilkan untuk filter keramik tunggal sebesar 0,035 ml/s sedangkan untuk filter keramik ganda sebesar 0,02 ml/s..Kata Kunci: Geopolimer, Keramik Double Filter, dan Karbon Aktif

Analisis Petrografi Fasa Molybdenum (Mo) dari Oksida Primer Fe2O3 Deposit Bontocani dengan Teknik X-Ray Mapping dan Difraksi Sinar-X Subaer S; Nurhayati N; Nurhasmi N; Nurfadillah N
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 4, No 02 (2014): IJAP Volume 04 Issue 02 Year 2014
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v4i02.4976

A researh related to petrogaphy analysis of molybdenum (Mo) has been conducted. The main objective of this study is to get quantitative information about the composotion of molybdenum (Mo) as a minor phase of primer mineral Fe2O3 deposited at Bontocani, District of Bone South Sulawesi. The petrography analysis was performed on 10 samples by means of Tescan Vega3SB Scanning Electron Microscopy (SEM) coupled with Bruker X-Ray Mapping and Energy Dispersive Spectroscopy (EDS). Crystallinity level and chemical composition(phase) mineral constituent were performed by using MiniFlexII X-Ray Diifraction (XRD). The petrography analysis in the form of elemental mapping show the position of Mo along with Fe, S and other elements. The XRD analysis showed that that the Mo mineral of Bontocani deposit is found in the form of pure Mo element with a concentration of 0.2 – 8.0 wt%, compound of Fe17(Mo3)0.1 and Fe2(MoO4)3 with a concentration of 2.04 wt% and 14.0 wt%.

ANALISIS PENYEBAB ARTEFAK PADA HASIL RADIOGRAF MENGGUNAKAN COMPUTED RADIOGRAPHY (CR) Nur Hasmi; Herlina Pathuddin
Lontara Journal of Health Science and Technology Vol 3 No 1 (2022): Ilmu dan Teknologi Kesehatan
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Politeknik Kesehatan Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53861/lontarariset.v3i1.267

CR is a device capable of producing high quality radiographic images compared to conventional ones. Even though it is capable of producing high image quality, there are still artifacts in radiographic images. These artifacts can lead to misdiagnosis of the disease. Artifacts represent images that should not be present in radiographs. The purpose of this study was to determine the cause of the artifacts on the radiograph using the CR system. This study used a literature study method by analyzing journals related to the causes of artifacts in the radiographic images using the CR system. Based on the results of a literature review, it can be concluded that the factors causing artifacts are due to operator error, tool error, and artifacts that arise due to foreign objects.

SINTESIS DAN KARAKTERISASI PYRITE (FeS2) DARI DEPOSIT MINERAL KECAMATAN BONTOCANI, KABUPATEN BONE, SULAWESI Abdul Haris; Bunga Dara Amin; A. Momang; Nurhasmi Nurhasmi
Jurnal Sains dan Pendidikan Fisika Vol 10, No 3 (2014): JURNAL SAINS DAN PENDIDIKAN FISIKA
Publisher : Universitas Negeri Makassar

This research is about synthesis and characterization of pyrite, from minerals deposite of Bontocani subdistrict, Bone regency, South Sulawesi. The sample of minerals was characterized by using X-Ray Diffraction (XRD) to determine the crystal structure and chemical composition of the minerals. Based on the results of XRD characterization, we found that the composition MB_06 of Pyrite (FeS2) 64 wt.%, Hematite iron (III) oxide (Fe2O3) 15 wt.%, Silicon Okside (SiO2) 14 wt.% dan Magnetite (Fe3O4) 4 wt.%.. And the composition MB_13 of Pyrite 9.8 wt.%, Hematite (Fe2O3) 4 wt.%, Molybdenum (Mo) 8 wt.%, dan Silicon Oxide (SiO2) 78 wt.%. This purification of pyrite had done by dissolve 4 gram of pyrite minerals with 20 ml of HCl solution 12 M then heated at certain temperature 300 0C for 2,5 h. Based on the results of XRD characterization, we found that the composition of pyrite are 85 wt% on MB_06 and 83 wt% on MB_13. SEM characterization was used to know the accidence of the minerals. The results of SEM analysis show that the minerals have a plate form with size of grains are ± 2 m.Penelitian ini mengenai sintesis dan karakterisasi Pyrite (FeS2), dari deposit mineral Kecamatan Bontocani Kabupaten Bone, Sulawesi Selatan. Karakterisasi dilakukan melalui uji X-Ray Diffraction (XRD) untuk mengetahui stuktur kristal dan komposisi kimia mineral. Berdasarkan hasil karakterisasi XRD diperoleh informasi bahwa mineral MB_06 mengandung Pyrite (FeS2) 64 wt.%, Hematite iron (III) oxide (Fe2O3) 15 wt.%, Silicon Okside (SiO2) 14 wt.% dan Magnetite (Fe3O4) 4 wt.%. Untuk MB_13 mengandung Pyrite 9.8 wt.%, Hematite (Fe2O3) 4 wt.%, Molybdenum (Mo) 8 wt.%, dan Silicon Oxide (SiO2) 78 wt.%. Pemurnian pyrite dilakukan dengan melarutkan serbuk mineral 4 gram dengan larutan HCl 12 M sebanyak 20 ml ke dalam gelas kimia dan dipanaskan pada temperatur 300⁰C selama 2,5 jam dengan oven. Berdasarkan hasil karakterisasi XRD kuantitas fase (wt.%) mineral pyrite sebesar 85 wt.% untuk MB_06 dan 83 wt.% untuk MB_13. Morfologi mineral pyrite dianalisis menggunakan Scanning Electron Microscopy-Energy Dispersive X-Ray Spectroscopy (SEM-EDS). Citra SEM menunjukkan bahwa morfologi pyrite berbentuk lempengan dengan ukuran ±2 µm.Kata Kunci: deposit mineral, FeS2 (pyrite), purifikasi, komposisi mineral

PENGARUH PENGETAHUAN POLA HIDUP BERSIH DAN SEHAT (PHBS) TERHADAP SIKAP PHBS DI MASA PANDEMI COVID-19 DAN PENERAPAN PROTOKOL KESEHATAN DI KEC. MANGGALA KOTA MAKASSAR Nurhasmi Nurhasmi; Herlinda Mahdania Harun; Asnaeni Ansar
Lontara Abdimas : Jurnal Pengabdian Kepada Masyarakat Vol 4 No 1 (2023): Juni
Publisher : Lembaga Penelitian Dan Pengabdian Masyarakat Politeknik Kesehatan Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53861/lomas.v4i1.335

One of the risk factors that can affect public health problems is public hygiene. People in Manggala District are generally at risk of disease, especially Covid-19 infection. This situation must be prevented to reduce the adverse effects that can occur. This service aims to improve a healthy lifestyle, including the prevention of Covid-19 infection in the Manggala District. A total of 39 people attended this counseling. The counseling method used is by providing education about clean and healthy lifestyles (PHBS) and role-playing. This counseling is one of the recommended programs to encourage the formation of a healthy environment.

Pengukuran Koefisien Atenuasi Fantom Berbasis Silicone Rubber RTV 48 Asnaeni Ansar; Nurhasmi Nurhasmi; Asmiati Amir
Wahana Fisika Vol 7, No 1 (2022): June
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/wafi.v7i1.41219

Fokus kajian pada penelitian ini adalah sintesis fantom dari bahan silicone rubber RTV dengan Aluminium Oksida (Al2O3) dan gliserin, yang selanjutnya akan dilakukan pengujian berupa pengukuran koefisien atenuasi. Penelitian ini akan dilaksanakan melalui dua tahap. Pada tahap pertama dilakukan penyediaan bahan dasar silicone rubber serta bahan isian Al2O3 dan gliserin. Pada tahap ini, penelitian juga difokuskan pada sintesis fantom. Fantom yang telah dibuat disimpan selama 24 h sebelum dilakukan pengujian. Pada tahap kedua dilakukan pengujian sampel. Pada tahap ini, sampel akan dilakukan pengujian berupa pengukuran koefisien atenuasi. Hasil pengukuran koefisien atenuasi sampel silicone rubber tanpa penambahan Al2O3 dan gliserin diperoleh sebesar 0,226 cm-1, sampel silicone rubber dan Al2O3 diperoleh sebesar 0,222 cm-1, sampel silicone rubber dan gliserin diperoleh sebesar 0,222 cm-1, serta sampel silicone rubber dan Al2O3+ gliserin diperoleh sebesar 0,240 cm-1. Nilai koefisien atenuasi pada sampel silicone rubber dan Al2O3serta sampel silicone rubber dan gliserin adalah 0,222 cm-1mendekati nilai koefisien atenuasi jaringan lunak hati manusia. Koefisien atenuasi fantom dengan sampel silicone rubber dan Al2O3+ gliserin adalah yang terindikasi cocok untuk menggantikan jaringan lunak ginjal manusia.

ANALISIS PENYEBAB ARTEFAK PADA HASIL RADIOGRAF MENGGUNAKAN COMPUTED RADIOGRAPHY (CR) Nur Hasmi; Herlina Pathuddin
Lontara Journal of Health Science and Technology Vol 3 No 1 (2022): Ilmu dan Teknologi Kesehatan
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Politeknik Kesehatan Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53861/lontarariset.v3i1.267

CR is a device capable of producing high quality radiographic images compared to conventional ones. Even though it is capable of producing high image quality, there are still artifacts in radiographic images. These artifacts can lead to misdiagnosis of the disease. Artifacts represent images that should not be present in radiographs. The purpose of this study was to determine the cause of the artifacts on the radiograph using the CR system. This study used a literature study method by analyzing journals related to the causes of artifacts in the radiographic images using the CR system. Based on the results of a literature review, it can be concluded that the factors causing artifacts are due to operator error, tool error, and artifacts that arise due to foreign objects.

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