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All Journal PROSIDING SEMINAR KIMIA Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Progressive Physics Journal

Idris Mandang, Idris

Jurusan Fisika Fakultas Matematika Dan Ilmu Pengetahuan Alam Universitas Mulawarman

Author-ID : 3048525

Astronomy Chemistry Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Health Professions Materials Science & Nanotechnology Physics

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Sosialisasi Dan Pelatihan Manajemen Keselamatan Dan Kesehatan Kerja Laboratorium Bagi Guru-Guru SMA Dari Kota Samarinda Dan Tenggarong nugroho, Rudy agung; Subagyono, RR Dirgarini Julia; Lepong, Piter; Mandang, Idris
Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Vol 2, No 1 (2018)
Publisher : Yogyakarta State University

Merujuk pada Undang-Undang No. 1 tahun 1970 tentang Keselamatan dan Kesehatan Kerja (K3), laboratorium sebagai sarana pendidikan mempunyai resiko sebagai tempat terjadinya gangguan pada K3. Oleh karena itu perlu adanya pengetahuan yang mendalam mengenai Manajemen K3 bagi guru-guru SMA pengelola laboratorium. Program pengabdian pada masyarakat yang berjudul sosialisasi dan pelatihan manajemen K3 laboratorium bagi 27 guru SMA kota Samarinda dan Tenggarong telah berlangsung untuk meningkatkan pengetahuan manajemen K3 di laboratorium. Program dilaksanakan dengan metode 25% teori; 75% praktek Manajemen K3, penilaian resiko, identifikasi bahaya dan penyusunan draft standard operational procedure (SOP) K3, Cardiopulmonary resuscitation (CPR), Pertolongan pertama pada kecelakaan (P3K) dan bahaya psikososial bertempat di FMIPA Universitas Mulawarman. Hasil yang diperoleh (berdasarkan angket evaluasi) adalah 97% peserta menyatakan peningkatan pengetahuan tentang manajemen K3, penilaian resiko serta identifikasi bahaya, SOP K3, CPR, P3K dan adanya bahaya psikososial di lingkungan laboratorium SMA.

PENGARUH VARIASI DOSIS KOAGULAN TERHADAP PERUBAHAN PARAMETER FISIKA – KIMIA KUALITAS AIR BAKU (Studi Kasus : PDAM Kota Samarinda) Ali Murtopo; Aman Sentosa Panggabean; Idris Mandang
PROSIDING SEMINAR KIMIA SEMINAR NASIONAL KIMIA 2013
Publisher : PROSIDING SEMINAR KIMIA

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This research was conducted with the aim of obtained the physical – chemical parameter change water quality caused by the coagulant dose variant. Issues raised in this study is a variation of the added coagulant dose on each raw water samples with dose of 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, and 60 ml. Raw water is obtained from Cendana Intake as much as 6 samples, and then the other raw water is obtained from Palaran Intake as much as 6 samples. Of each raw water sample obtained reported on the weather conditions, and ebb & flow river conditions at the time of data collect. Obtained data analyzed using anova test to find out the availability of influence resulting from coagulant dose variant : (a) Raw water turbidity parameter with a value F cal 33,61 and F table 1,82 (0,05), 2,32(0,01). Raw water color parameter with a value F cal 32,15 dan F table 1,82 (0,05), 2,32(0,01). Raw water pH parameter with a value F cal 260 dan F table 1,82 (0,05), 2,32(0,01). F cal value > F table value at all anova test for each parameter indicates that coagulant additions greatly affect turbidity and color parameters change derived raw water suitable standard PERMENKES/No.492/PER IV/2010 about drink water (turbidity 5 NTU and color 15 PtCo). While the addition of coagulant in the raw water will lower the pH of the water, up to add lime or soda ash to raise the pH. In total all raw water samples with turbidity 30 – 80 ppm each matching derived optimal dose distribution average as big 20 – 35 ppm.

Rancang Bangun Sistem Monitoring Suhu dan Salinias pada Air Laut Azizah Bella Azizah Bella; Devina Rayzy Perwitasari Sutaji Putri; Idris Mandang
Progressive Physics Journal Vol 2 No 1 (2021): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Knowing the condition of the waters is very important for the sustainability of aquatic ecosystems. The condition of the waters so as not to have a bad impact on aquatic ecosystems can be known through temperature and salinity parameters. Seawater temperature is the distribution of heat in the ocean caused by the movement of water and other factors. The salinity of seawater is the level of saltiness or the level of salt dissolved in seawater. Temperature can be measured using a thermometer and salinity is measured using a refractometer. However, using these tools requires time, effort, cost, and manual data retrieval processes. Therefore, this research aims to make a temperature and salinity measuring instrument and determine the relationship between Voltage and salinity in the seawater. This research used the method of measuring electrical conductivity (DHL) to determine a change in magnitude. The temperature and salinity design consisted of an Arduino Uno, a YL-38 Module, and copper as an electrode, and a DS18B20 Temperature Sensor. the result of this research shows that has been done, the average error presentation of salinity is 0.00732% and temperature is 0.044 %. Through this research, salinity and the temperature instrument produced using electrodes made of copper and DS18B20 which operate at a Voltage of 4,8 Volts. The obtained a linear graph between stress and salinity. The relationship between voltage and salinity is directly proportional, the higher the salinity of seawater, the greater the output voltage.

Co-Authors Ali Murtopo Aman Sentosa Panggabean Azizah Bella Azizah Bella Devina Rayzy Perwitasari Sutaji Putri Lepong, Piter Rudy Agung Nugroho Subagyono, RR Dirgarini Julia

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