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All Journal Teknosains: Media Informasi Sains dan Teknologi Techno: Jurnal Penelitian SITEKIN: Jurnal Sains, Teknologi dan Industri JOURNAL ONLINE OF PHYSICS JPF (Jurnal Pendidikan Fisika) Universitas Islam Negeri Alauddin Makassar Jurnal Fisika dan Terapannya
Sahara Sahara
UIN Alauddin Makassar
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Physics Other

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PENGUJIAN PAPARAN RADIASI SINAR-X DI UNIT RADIOLOGI RSUD KOTA MAKASSAR Yuliamdani, Riska; Sahara, Sahara; Fuadi, Nurul
JFT : Jurnal Fisika dan Terapannya Vol 7 No 1 (2020): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v7i1.13867

Abstract

The research has been conducted to determine the effect of exposure to a dose of radiation to the distance and time from the source of radiation and to determine how large exposure to radiation scattering which is received by a worker or operator in the space radiology Hospital Makassar. This research uses X-ray aircraft, Surveymeter, meter, and phantom. In measurements carried out two stages namely stage first measure exposure dose of radiation to the distance the results of the research that is done on testing the safety of exposure to radiation rays -X in units of radiology Hospital cities of Makassar, then obtained a conclusion as follows based on parameters of distance and time from the source of radiation effect large against  dose of radiation exposure. A more far distance from the source of radiation the dose that is received by increasingly smaller. While the influence of the amount of time of the exposure beam of radiation that is increasingly long time irradiation then getting big too doses of radiation are obtained. Value exposure to radiation scattering which is received by the worker radiation chamber radiology Hospital of Makassar is the dose of radiation that is received by workers with long time use of radiation were the biggest received by operators XIII which amounted to 0.1769 mSv/h, while the value of the dose which is the smallest  received by the operator XI of 0.0593 mSv/h and the average dose received by the operator is 0.1570mSv/h.
PENGARUH TEMPERATUR TERHADAP NILAI KAPASITANSI ELEKTRODA SUPERKAPASITOR GRAPHENE BERBASIS BAMBU BETUNG (Dendrocalamus asper) Amaliah, Fia; Sahara, Sahara; Fuadi, Nurul
JFT : Jurnal Fisika dan Terapannya Vol 5 No 2 (2018): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v5i2.15645

Abstract

This study aims to analyze the effect of temperature variations on the capacitance of graphene material supercapacitor electrodes from bamboo material Betung (Dendrocalamus asper). The results obtained are graphene reduction can be synthesized by the hummer method which is reduced using Zn and continued with a thermal process with different temperature variations. The data obtained shows that from the GO, rGO 80 ° C, and 200 ° C rGO samples the largest capacitance value is the 200 ° C rGO sample, which is 8.87 × 10-3 F / gram with d-spacing 3.821082 Å, while the capacitance value for GO and rGO 80 ° C samples respectively 2.23 × 10-5 F / gram with d-spacing 3.668773 Å and 1.67 × 10-4 F / gram with d-spacing 3.680739 Å. This happens because the thermal effect is given, the greater the temperature given, the more pores are formed and the surface area will also be larger which results in more ion absorption and electron transfer on the electrode surface. However, if the given temperature is too large then the pore structure will be damaged and produce a low surface area. All samples that have the largest capacitance at the smallest pay rate are 10 mV / s.
ANALISIS WAKTU PENYINARAN PADA KALIBRASI DOSIMETER SAKU GAMMA (PEN DOSIMETER) Herianti, Herianti; Sahara, Sahara; Hernawati, Hernawati
JFT : Jurnal Fisika dan Terapannya Vol 2 (2015): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v2i0.16875

Abstract

The Purpose of this research is to know the effects of time irradiation to dosage in calibration dosimeter pocket gamma (pen dosimeter).  This research is also intended to know the effects of time irradiation in response dosimeter pocket gamma (pen dosimeter).  Relations between time irradiation to dosage based on calculations time irradiation, irradiation in pen dosimeter to calculate dosage reading material. Result of contact time irradiation with the dose by more than dosage that used time irradiation needed more for a long time. Results obtained from the relationship time irradiation in response dosage is becoming more time irradiation then dosage that read in pen dosimeter result in more than. dosage 100 µSv, 500 µSv, 1000 µSv, 1500 µSv, 2000 µSv, 2500 µSv, 3000 µSv, 3500 µSv, 4000 µSv, and 4,500 µSv, factors calibration 0.91 . Calibration factor which is obtained from pen dosimeter that has been calibration claimed could be used and functioned as specifications based on standard calibration.
RANCANG BANGUN ALAT PENGERING IKAN TIPE RAK MENGGUNAKAN KOLEKTOR SURYA Sophyan, Nur Fadhilah; Ihsan, Ihsan; Sahara, Sahara
JFT : Jurnal Fisika dan Terapannya Vol 3 (2016): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v3i1.15721

Abstract

This research aims to design and produce the model design of the dryer rack type fish using solar collectors with the addition of a blower 1 unit’s maximum temperature 49˚ C, dimension 216666  with a capacity of 3 kg. The result  of test 1, test 2, and 3 for 3 day test has been obtained an efficiency of 32,16 % greater than the manual drying efficiency of 5,4%. While in testing the quality  of dried anchovies dried using solar collectors based on quality standards of dried anchovoies (SNI 01- 2708-1992) is not accordance with the prescribed standards in terms of microbiological bacteria mold furthermore, for testing chemically moisture content, ash content, and ash content insoluble in acid  is still in accordance with (SNI 01- 2708-1992). Keywords: Anchovies, Efficiency, Plan, Shelf type, Solar collectors
PENGOLAHAN LIMBAH LABORATORIUM KIMIA DENGAN KOMBINASI METODE ELEKTROKOAGULASI, FILTRASI DAN PENGIKATAN LOGAM DENGAN ASAM JAWA Fadhila, Rahayu Yuliastri; Ihsan, Ihsan; Sahara, Sahara
JFT : Jurnal Fisika dan Terapannya Vol 5 No 1 (2018): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v5i1.15971

Abstract

The research aimed to identify the early characteristics of the chemical waste and characteristic of chemical waste laboratory after mixed and combination with electrocoagulation method, filtration, and tying for metal and tamarin. Waste that processed are the residu waste from AAS testing in chemical instrumentation laboratory, Chemistry Department of UIN Alauddin Makassar. The research results obtained AAS waste before processed having the characteristics on pH parameters are 0.56, COD are 195000 ppm, Mercury (Hg) are 15 ppm, Cadmium (Cd) are 2.79 ppm, Lead (Pb) are 3.49 ppm, and cloudiness of 192 FTU. While AAS waste after mixed and combination with electrocoagulation method, filtration, and and tying for metal and tamarin having the characteristics of pH parameter are 2.76, COD are 20000 ppm, Hg are 0.001 ppm, Cd are 0.002 ppm, Pb are 0.123 ppm, and cloudiness of 662 FTU. 
PENGUKURAN LAJU DOSIS PAPARAN RADIASI HAMBUR PADA RUANG COMPUTER TOMOGRAPHY (CT) SCAN DI RUMAH SAKIT BHAYANGKARA MAKASSAR Astuti, Astuti; Sahara, Sahara; Zelviani, Sri
JFT : Jurnal Fisika dan Terapannya Vol 5 No 2 (2018): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v5i2.16110

Abstract

This research aims to determine the effect of exposure to radiation dose on the distance from the radiation source, determine radiation dose exposure with variations in exposure factors (voltage), and to determine the radiation exposure received by workers / operators in the CT-Scan room at Bhayangkara Hospital Makassar and using a sensitive Surveymeter with variations in the exposure factor (voltage) of 100 kV, 120 kV, and 135 kV and a variation of the distance from the radiation source of 0 m, 1 m, 2 m. The results showed that the highest dose was on the front side with a voltage of 135 kV at a distance of 0 m, namely 1.5 nSv / h. While the lowest dose is on the left side with a voltage of 100 kV at a distance of 2 m, namely 0.6 nSv / h. Radiation exposure received by workers / operators in the CT-Scan room at Bhayangkara Hospital Makassar at a voltage of 135 kV, a distance of 1 m from the radiation source, namely 1.5 nSv / h. This is in accordance with the provisions of BAPATEN, namely the value of the dose received does not exceed 50 mSv in (one) year.
PENGARUH KOMPOSISI DAN UKURAN PARTIKEL TERHADAP KUALITAS BRIKET KULIT DURIAN DAN TEMPURUNG KELAPA Ashar, Muh.; Sahara, Sahara; Hernawati, Hernawati
JFT : Jurnal Fisika dan Terapannya Vol 7 No 1 (2020): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v7i1.13964

Abstract

Research has been carried out on the utilization of durian rind and coconut shell waste by turning it into bio briquette. This study aims to determine the amount of heat, water content and duration of combustion in order to obtain the best quality. Samples were made with the composition of durian rind, coconut shell, and tapioca flour as an adhesive. Each sample was carbonized with a combustion drum and furnished at a temperature of 2500C, then grinding, sifting, and molding were carried out. The composition variations used are (20:80)%, (40:60)%, (60:40)%, and (80:20)% with particle sizes of 100 mesh and 170 mesh, the adhesive mass used is 3 gr. The results of the study, testing the calorific value using the bomb calorimeter obtained the best quality in the composition (80:20)% with a size of 100 mesh of 6482,76 cal/gr, the results of testing the moisture content using an 1050C oven obtained the best quality in the composition (80:20)% with a 100 mesh size of 6,77% and the longest burning test with the longest burning duration in composition (20:80)% with a 170 mesh size of 211,8 minutes/gr.
PEMBUATAN DAN PENGUJIAN ASAP CAIR DARI TEMPURUNG KELAPA DAN TONGKOL JAGUNG SEBAGAI BAHAN PENGAWET IKAN Mentari, Eka Pratiwi; Sahara, Sahara
JFT : Jurnal Fisika dan Terapannya Vol 4 No 1 (2017): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v4i1.15685

Abstract

This study aims to find out the mass of coconut shell charcoal and corn cobs mass with the volume of liquid smoke produced, the utilization of liquid smoke from coconut shell and corn cob so that it can be used as fish preservative and fish quality resulting from addition of liquid smoke process. The parameters measured in this study were the ratio of mixture of the number of coconut shell and corn cob, the test of liquid smoke produced. The tested parameters of quality resulting from liquid smoke are seen from the smell, texture, color, odor and taste of the fish so that bias is said to be a good fish preservative with conventional breathing, immersion with liquid smoke and salt water immersion. Filtration using active Zeloit tools as well as Activated Carbon. Based on the results of the comparison of the material with the volume of liquid smoke produced from coconut shell and corn cob with each mass 7000 gr, 8000 gr, and 15000 gr is 200 ml, 210 ml, 500 ml. And for testing that is that fish that use conventional curing can survive with long and good result. Keywords: Conventional fumigation, active zeloit substances, activated carbon substances, and cork fish.
PENGOLAHAN LIMBAH CAIR LABORATORIUM KIMIA DENGAN MENGGUNAKAN METODE ELEKTROKOAGULASI DAN KOAGULAN BIJI KELOR Syamsur, Nadia Nurafiah; Ihsan, Ihsan; Sahara, Sahara
JFT : Jurnal Fisika dan Terapannya Vol 5 No 2 (2018): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v5i2.16107

Abstract

This research aims to determine the characteristics of chemical laboratory wastewater which includes COD, pH, turbidity and heavy metals (Pb, Hg, and Cd) before processing and after processing using the electrocoagulation method and moringa seed coagulant. The electrocoagulation process is carried out using a pair of electrode plates made of iron as anode and cathode with a voltage variation of 6, 9 and 12 V with each coagulation process carried out for 30, 60 and 120 minutes for each voltage variation and the coagulation-flocculation method using 2.5 grams of moringa seed powder each as a coagulant with fast stirring for 5 minutes and slow stirring for 2 minutes. The results obtained from the electrocoagulation method and the coagulant method of moringa seeds, namely with pH parameters of 5, COD of 20000 ppm, turbidity of 4.09 FTU, Hg levels of 1.2857 mg / l, Pb levels of 0.090659341 mg / l and Cd levels of 0.090659341 mg / l. This shows that the electrocoagulation method and the coagulant method of Moringa seeds can reduce each of the parameters tested, both pH, COD, turbidity and heavy metals (Pb, Hg and Cd).
EFEKTIVITAS ADSORPSI KULIT MANGGA, KULIT PEPAYA DAN BATANG PISANG SEBAGAI PENYERAP TIMBAL (Pb) PADA AIR LINDI TPA TAMANGAPA Saiyidah, Hijrah Mustajabah; Ihsan, Ihsan; Sahara, Sahara
JFT : Jurnal Fisika dan Terapannya Vol 3 (2016): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v3i0.16833

Abstract

One threat today is the destruction of the environment waste pollution. Waste of mango peel, papaya peel and banana stem bark can be used to absorb heavy metals in a body of water such as waste containing cellulose and pectin. Leachate is the result of a pile of garbage that have decomposed physical, chemical and biological decay results contain harmful substances such as heavy metals. In this study attempted an adsorption method using waste mango peel, papaya peel and banana stem as an adsorbent to absorb heavy metals in leachate is adsorbat.  With adsorption process mango peel, papaya peel and banana stem as adsorbent divided into several mass size is 1, 1.5 and 2 grams with a variety of contact time of 40, 60 and 80 minutes as the independent variables in the study and the stirring speed as a fixed variable. Leachate used contain heavy metals Pb of 1.58 mg/l. After analysis using the SSA found that the highest effectiveness in the mango peel adsorb Pb, namely the addition of mango peel masses as much as 1 gram to 40 minutes of contact time with the absorption efficiency of 93.67%; the highest effectiveness in papaya peel adsorption of Pb, namely the addition of papaya mass of 1.5 grams with a contact time of 40 minutes with the absorption efficiency of 65.82%; the highest effectiveness in the banana stem adsorption of  Pb, namely the addition of banana stem mass 1 gram with a contact time of 40 minutes with the absorption efficiency of 56.33%.
Co-Authors A, Indrawati.A Abd. Munir HB Abd. Rasyid Syamsuri Abu Ammar Ahmad Zarkasi Alimuddin, Arni Amaliah, Fia Amirin Kusmiran Andi Syam Rizal Anita Purnamasari Apriliah, Risky Ashar, Muh. Askar Ayu Hardianti Mahmud Ayusari Wahyuni Ayusari Wahyuni Basmanto Basmanto Broto, Prasepvianto Estu Darwis, Arwin Dya Ayu Rahma Niar Rajab Fadhila, Rahayu Yuliastri Fajar Fajar Fitria Jasman Fitriani Fitriani Hasan, Hasniati Herianti, Herianti Hernawati Hernawati Hernawati Hernawati Hernita Sapitriani Hery Widijanto Hidayat, Serli Hatul I Gusti Bagus Wiksuana Ihsan Ihsan Ihsan Ihsan Ilham Maulana Ilyas, Mohamad Isradianti, Dwi Febri Jamhari Jamhari Janna, Miftahul Jasdar Agus jumardin jumardin Kasturi Ramadani Mentari, Eka Pratiwi Muh Sundi Safi’i Ahmad Muh. Said L Muh. Taufik Muhlis, Ahmad Marzuki Nur Afni Nurfadhilah jusman Nurhalimah Nurhalimah Nurul Fuadi Patunrengi, Iswadi Ibrahim Prihardjo Sanyoto RAHMANIAH RAHMANIAH Rahmayani, Rai Rani, Sefrilita Risqi Adikaning Rani Safitri, Aan Saiyidah, Hijrah Mustajabah Sophyan, Nur Fadhilah Syamsur, Nadia Nurafiah Topyana Topyana Ummi Kalsum Wahyuni, Ayusari Yoga Yuniadi Yuliamdani, Riska Yuliana Nengsih Zelviani, Sri Zulfaniar