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Integrated Lab Journal
Published by Universitas Islam Negeri Sunan Kalijaga Yogyakarta
ISSN : 23390905     EISSN : 26553643     DOI : -
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Engineering Industrial & Manufacturing Engineering
Integrated Lab Journal published by Sunan Kalijaga State Islamic University of Yogyakarta as a media for scientific paper about educational laboratories. The focus and scope of journal is about : 1. Educational Laboratories Tools, Equipment, or Machine : Maintenace and safety Procedures and instalation Engineering and design Instrumentation and control Mechanism and construction 2. Material, Stuff, Ingredient, Component, Spare parts for educational laboratories : Storage and inventories Data and specification Purification Compound Mixture 3. Methods for educational Laboratories
Arjuna Subject : Umum - Umum
Articles 5 Documents
 1 
Search results for , issue "Vol. 10 No. 01 (2022)" : 5 Documents clear
Partisipasi Uji Profesiensi Untuk Peningkatan Kepercayaan Terhadap Laboratorium Harjito
Integrated Lab Journal Vol. 10 No. 01 (2022)
Publisher : UIN Sunan Kalijaga Yogyakarta

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Abstract

Laboratorium Hidrologi dan Klimatologi Lingkungan Fakultas Geografi Universitas Gadjah Mada merupakan laboratorium yang sudah terakreditasi oleh Komite Akreditasi (KAN) sejak tahun 2010. Dalam rangka menjamin hasil pengujian laboratorium ini mengikuti uji profisiensi air untuk parameter pH, kekeruhan, Khlorida dan Kesadahan Keikutsertaan uji profisiensi ini memiliki tujuan untuk mengetahui unjuk kerja ruang lingkup parameter yang sudah diakreditasi. Unjuk kerja setiap laboratorium dinilai berdasarkan Z-Score yang diperoleh laboratorium tersebut. Berdasarkan kriteria Z Score, unjuk kerja laboratorium dapat dikategorikan menjadi tiga, yaitu memuaskan, diperingatkan, dan tidak memuaskan. Hasil uji menunjukan bahwa untuk parameter pH terdapat 16 peserta (84,21%) kategori memuaskan, 2 peseta diperingatkan (10,53%) dan 1 peserta tidak memuaskan (5,25%) Untuk parameter Kekeruhan semua peserta termasuk kategori memuaskan (100%). Untuk parameter Khlorida terdapat 14 peserta (77,78%) kategori memuaskan, 2 peseta diperingatkan (11,11%) dan 2 peserta tidak memuaskan (11,11%). Untuk parameter Kesadahan terdapat 15 peserta (83,33%) kategori memuaskan, 2 peseta diperingatkan (11,11%) dan 1 peserta tidak memuaskan (5,56%). Performa peserta uji profisiensi menunjukan bahwa sudah lebih dari 50% memiliki hasil kerja yang memuaskan dan salah satu diantaranya adalah Laboratorium Hidrologi dan Klimatologi Lingkungan Fakultas Geografi UGM.
Pengendalian Keselamatan dan Kesehatan Kerja Kegiatan Laboratorium Menggunakan Job Safety Analysis (Akuisisi Data Geolistrik) Nunung Isnaini Dwi Ningsih
Integrated Lab Journal Vol. 10 No. 01 (2022)
Publisher : UIN Sunan Kalijaga Yogyakarta

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Abstract

Research has been carried out on controlling occupational health safety in laboratory activities, namely the acquisition of geoelectrical data using the Job Safety Analysis (JSA) method. Primary data was obtained through direct observation in the field, while secondary data was obtained from documents related to the implementation of JSA. The purpose of this study is to determine the types of hazards that arise in geoelectric data acquisition activities. The results obtained will be the first step in preventing work accidents in these activities. Based on the research, it was found that the JSA method helps in identifying the hazards that arise in geoelectrical data acquisition activities and making controls to minimize each risk that may arise. In the acquisition of geoelectrical data, there are 3 (three) stages of work, namely personnel preparation, track preparation, and equipment installation. Through the JSA method, at each stage, the details of the work are made and then the identification of hazards, risks, and their control is carried out. At the three stages of work, all three can pose a hazard in terms of physics, chemistry, biology, ergonomics, and psychology. Those in charge of geoelectric data acquisition are supervisors and workers, Supervisors, in this case, are practicum lecturers or assistants or Educational Laboratory Institutions (PLP)/Labors, and workers, in this case, our students. To minimize all types of hazards, in the 3 (three) stages of the work, firstly for personnel preparation, it must be ensured that all personnel has attended K3 training on geoelectric data acquisition. All personnel participate in Safety Induction before carrying out the data acquisition process. At the stage of track preparation and equipment installation, it must be ensured that the equipment is ready for use in the field and that personal protective equipment is available in accordance with the OHS requirements for geoelectric data acquisition.
Rancang Bangun Pencatat Suhu Tanpa Kartu Memori Menggunakan Platform Micropython di Laboratorium Ilmu Pengetahuan Alam Mochammad Darwis
Integrated Lab Journal Vol. 10 No. 01 (2022)
Publisher : UIN Sunan Kalijaga Yogyakarta

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Abstract

This research is a continuation of the use of the micropython platform on the 32-bit ESP32 microcontroller. A temperature recorder that is compact, small in size and can store data for a certain period of time is needed in the science laboratory of SMP Negeri 1 Surabaya. Micropython can simplify hardware by eliminating memory hardware such as memory ICs or SD cards. The temperature data is stored in a file structure created in the micropython platform. The data is stored in the form of a text file so that it can be downloaded to a computer for graphing and analysis. The temperature sensor used is the DS18b20 type with a one-wire system. The one-wire system allows several sensors to be installed in parallel using only one data cable connected to the microcontroller. Temperature data collection was carried out for 26 minutes for every 3 seconds. The internal memory capacity that is used to store temperature data is 4 kilo bytes and the total memory space is 2 Mega bytes. The recorded data can be used for graphing and analysis.
Efisiensi Penggunaan Reagen NaOH Terhadap Pengujian Kadar Protein pada Alat Buchi KjelFlex K-360 Soesilowati
Integrated Lab Journal Vol. 10 No. 01 (2022)
Publisher : UIN Sunan Kalijaga Yogyakarta

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Abstract

The purpose of this study was to determine the efficiency of the use of NaOH reagents with different volumes at the distillation stage of the Kjeldahl method for testing protein levels using the Buchi KjelFlex K-360. The protein content test was carried out using the Kjeldahl method with variations in the volume of NaOH at the distillation stage of 20 mL, 30 mL, 40 mL, 50 mL, 60 mL, 70 mL, 80 mL, and 90 mL. The results showed that the protein content obtained from each use of the NaOH reagent at the distillation stage with different volumes, respectively, was 6.66%; 6.81%; 6.88%; 6.79%; 6.68%; 6.81%; 6.70%; and 6.73%. Based on these results, at different volumes, the protein content obtained shows a value that is not much different, so the use of NaOH reagent in small amounts can increase the efficiency of the use of NaOH reagent in the distillation stage of the Kjeldahl method. It is hoped that this can be used as an alternative in an effort to reduce the use of operational costs and reduce waste accumulation resulting from the analysis process.
Pengaruh Jenis Pelarut Pada Ekstraksi Asam Lemak Dari Mikroalga Surani; Cahyo Puji Asmoro
Integrated Lab Journal Vol. 10 No. 01 (2022)
Publisher : UIN Sunan Kalijaga Yogyakarta

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Abstract

Microalgae are lipid-producing microorganisms that have the potential to be developed as an alternative raw material for biodiesel production. To become biodiesel raw material, several stages of treatment must be carried out. One of the treatments that must be done is to extract the fatty acids contained in the microalgae. In this study, we wanted to find out which type of solvent was the best for extracting fatty acids from microalgae nanochloropsis. The extraction method used was sonication with variations in the length of time 30,60 and 90 minutes, then continued with maceration for 24 hours. The type of solvent used is hexane, methanol and chloroform. The selection of this type of solvent is based on the difference in the polarity of the solvent.

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