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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 15 Documents
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Search results for , issue "Vol. 4 No. 2 (2016)" : 15 Documents clear
SIMULASI POLA DIFRAKSI FRAUNHOFER UNTUK CELAH LINGKARAN DENGAN MODIFIKASI FUNGSI BESSEL Cecilia Yanuarief
Integrated Lab Journal Vol. 4 No. 2 (2016)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (393.136 KB) | DOI: 10.14421/ilj.2016.%x

Abstract

This research aims to simplify the equation of Fraunhofer Difraction Intensity for the circular slit analyticaly so that it can be easily applied in the calculation of computing. Fraunhofer diffraction event for the circular slitis expressed as the ratio between Bessel functions 1 and variables with interval 0 to infinity so may result divided by zero in the calculation of computing. Solution analytical calculations done by outlining the Bessel function 1 becomes the Bessel function 0 and Bessel functions 2. The results of analytical calculations and computations, Fraunhofer diffraction pattern is obtained in the form of the intensity curve which is then displayed in 3D to get the diffraction pattern.From the results of this research concluded that the larger radius gap, resulting the diffraction pattern is getting narrower. And the greater the wavelength of the light source, resulting diffraction pattern is widening.
PENERAPAN GREEN CHEMISTRY PADA PRAKTIKUM KIMIA PANGAN (MATERI ANALISIS PEMANIS BUATAN DALAM MINUMAN RINGAN) A. Wijayanto A. Wijayanto
Integrated Lab Journal Vol. 4 No. 2 (2016)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (140.291 KB) | DOI: 10.14421/ilj.2016.%x

Abstract

Green chemistry is the application of the principle of the removal and reduction of hazardous compounds in the design, manufacture and application of chemical products. Artificial sweeteners such as cyclamate has a sweetness and an economical price than natural sweeteners, that the use of it is great demand in various segments of society, including industry. The purpose of this study was to do the parameters of validation test of analytical method of cyclamate in soft drinks by High Performance Liquid Chromatography. Parameters of selectivity, precision, accuracy, limit of detection and limit of quantification will be reported to confirm this method deserves to be applied as a standard testing methods according to the rules of ISO/IEC 17025:2008. The results show the analysis of cyclamate in energy drinks can be determined using High Performance Liquid Chromatography UV detector as a standard method. Test method parameters obtained by the selectivity at a retention time of 5 minutes, the linearity of the calibration curve is shown with standard cyclamate at a concentration of 9.83 mg/L - 1016.44 mg/L with a correlation coefficient (R2) of 0.999, limit of detection of 28.24 mg/L and the limit of quantification of 176 m/L, precision of 1.023% and % of recovery as accuracy value of 95.27% - 102.76%.
THE MULTYREPRESENTATION TEST AS ASSESSMENT AUTHENTIC FOR LEARNING PROSPECTIVE TEACHER PHYSICS Murtono Murtono
Integrated Lab Journal Vol. 4 No. 2 (2016)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (232.033 KB) | DOI: 10.14421/ilj.2016.%x

Abstract

Concepts mastery is a very important part that must be owned by prospective ofphysics teacher to solve a variety of problems in physics. Multyrepresentation is one of the ways that you can use to explore the ability of understanding the concept. Representation skill is a capability for interpret and apply various concepts in solving the problemsappropriately. Assessment with several different representation formats can provide accurate information the ability of prospective teachers in understanding the concepts of physics.
RANCANG BANGUN MINI REAKTOR DAN UJI REAKTOR PADA PERENGKAHAN KATALITIK LEMAK SAPI MENJADI BAHAN BAKAR CAIR MENGGUNAKAN KATALIS MgO DAN ZEOLIT Adi Riyadhi; Syahrullah Syahrullah
Integrated Lab Journal Vol. 4 No. 2 (2016)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (242.361 KB) | DOI: 10.14421/ilj.2016.%x

Abstract

Animal fats such as beef fat/tallow widely available on the market and relatively cheap. Public awareness is high enough the importance of health by reducing the consumption of fatty foods, making animal fat is not utilized to the maximum, so the research was about catalytic cracking beef fat/tallow into liquid fuels with the opened reactor  using a  nature zeolite and MgO as catalyst. The colour of liquid that produced by the opened reactor and using natural zeolite catalyst was clear yellow liquid oils with the composition of the carbon chain were C12- C20. The results of GC - MS analysis showed that the composition of the group of compounds were 64.51% of alkanes, 27.37% of alkenes, 0.7% of aldehyde, 4.34% of ketone and 3.08% of fatty acids. The colour of liquid that produced by the opened reactor and using MgO catalyst was brownish yellow liquid oils. The results of GC-MS analysis showed that the composition of the carbon chain were 17.85% of C7-C11 and 82.15 % of C12-C19. The results of GC-MS analysis showed that the composition of the group of compounds were 57.6% of alkanes, 32.16% of alkenes and 10.24% of ketones. The composition of the cracking results tallow oil compounds using natural zeolite catalysts showed that the oil can be used as a diesel, while using MgO catalyst generated 17.85 % of liquid fuels equivalent of petrol and 82.15 % liquid fuels equivalent diesel.
APLIKASI ALAT ELEKTRODEKOLORISASI DENGAN ELEKTRODE SENG DAN KARBON BEKAS UNTUK PENGOLAHAN LIMBAH ZAT WARNA HASIL PRAKTIKUM DAN PENELITIAN (STUDI KASUS DI LABORATORIUM TERPADU UIN SUNAN KALIJAGA YOGYAKARTA) Isni Gustanti; Indra Nafiyanto
Integrated Lab Journal Vol. 4 No. 2 (2016)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (129.587 KB) | DOI: 10.14421/ilj.2016.%x

Abstract

Integrated Laboratory UIN Sunan Kalijaga outline has three functions, namely as a service practice, research and public service (community service). As a function for practice and research using diverse materials to chemicals, one of which is a synthetic dye. If we observe, sewage waste dye lab work and research results are still stored in tanks of waste and waste have not been processed to become complex dye. Waste dye is then processed by means of elektrodekolorisasi using zinc and carbon electrodes former.Elektrodekolorisasi with zinc and carbon electrodes on the former waste dye lab results and research in the Laboratory of Integrated UIN Sunan Kalijaga, carried on the strong current of 2 A, voltage of 8 volts and 30 seconds. Waste dye in the Integrated Laboratory UIN Sunan Kalijaga can didekolorisasi with elektrodekolorisasi tool uses zinc and carbon electrodes in normal conditions, acidic (pH 2) and the addition of salt. In normal conditions, the percentage of samples elektrodekolorisasi to 1 at 13.09% and the samples to 2 at 14.09%. In acidic conditions (pH 2), the percentage of samples elektrodekolorisasi 3 to 63% and the samples to 4 of 82.25%. On the condition of adding salt (NaCl), the percentage of samples elektrodekolorisasi to 5 at 99.68% and the samples to 6 amounted to 99.60%. Based on the results elektrodekolorisasi, the most optimal conditions the addition of salt in waste mendekolorisasi dye.

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