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All Journal IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Indonesian Journal of Chemistry Jurnal Natural Journal Of Carbazon JURNAL PENGABDIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (JP3L) JURNAL REKAYASA KIMIA & LINGKUNGAN
Suhud, Khairi
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Neuroscience Physics Social Sciences

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Development of TCS3200 Color Sensor Based on Arduino Uno and Its Application in Determining Borax Levels in Food Suhud, Khairi; Sukoma, Sukoma; Saleha, Sitti; Surbakti, Muhammad Syukri
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 9, No 2 (2024): June 2024
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v9.i2.74

Abstract

A color scanner application using the TCS3200 sensor, Arduino Uno microcomputer with IDE Software Program, a black box container, and a 12x2 matrix display has been designed, built, and tested. This sensor is employed to measure the level of borax in food items such as meatballs, tofu, and noodles in Banda Aceh. The obtained results are then compared with the measurement results of the Standard Ultraviolet-Visible Spectrophotometry (UV-Vis) method. Samples were prepared using centrifuge technique and the filtrate was collected. Subsequently, optical samples were prepared using dried filter paper with curcumin and scanned with the TCS3200 color sensor. Sample collection was carried out at Lamnyong Market, Lamdingin Market, Seutui Market, Suzuya Mall, and Ulee Kareng Market. Sample identification was performed using qualitative analysis, namely the flame test, and quantitative analysis using the TCS3200 color sensor based on Arduino Uno. The results of the quantitative analysis obtained from the TCS3200 color sensor compared with the ultraviolet-visible spectrophotometry (UV-Vis) method as the standard method indicate that the samples of meatballs, tofu, and noodles do not contain the harmful preservative borax. The positive control for borax using the TCS3200 color sensor is 56.8 ppm, while using the UV-Vis spectrophotometer it is 57.6 ppm. The t-test results from both methods show consistency between the TCS3200 color sensor measurement method and UV-Vis spectrophotometer      Keywords, Borax, meatballs, tofu, noodles, flame test, TCS3200 color sensor, UV-Vis spectrophotometer  
Implementasi Alat Pencacah Daging  Ikan Pada Kelompok Usaha Putroe Pantai Di Gampong Lamdingin Kecamatan Kuta Alam Banda Aceh Mustaqimah, Mustaqimah; Suhud, Khairi; T. Ferijal, T. Ferijal
JURNAL PENGABDIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (JP3L) Vol 2 No 1 (2024): JURNAL PENGABDIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (JP3L): Volume 2 Nomor 1,
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jp3l.v2i1.52

Abstract

Banda Aceh adalah Ibukota Propinsi Aceh. Kota ini terletak di daerah pesisir ujung Barat pulau Sumatera yang sebagian besar dikelilingi laut Samudera Hindia. Gampong Lamdingin adalah salah satu desa yang dekat dengan daerah pesisir pantai Banda Aceh yang terletak di Kecamatan Kuta Alam  yang berdekatan dengan Tempat Pelelangan Ikan (TPI) terbesar di Banda Aceh yang bernama TPI Samudera Lampulo. Selain itu desa ini juga berdekatan dengan pasar Al-Mahirah yang merupakan pasar terbesar di Banda Aceh. Keterbatasan skill masyarakat dalam pengolahan ikan menjadi produk yang lebih variatif sangat dipengaruhi oleh terbatasnya alat bantu pengolahan ikan. Pembuatan abon ikan adalah salah satu solusi yang tepat untuk memberi nilai tambah ikan terutama saat TPI Samudera Lampulo banjir ikan dan harga ikan sangat murah. Jenis ikan yang paling banyak dan harganya relatif murah adalah tongkol dan  tuna. Tujuan pengabdian ini adalah untuk merancang dan mengaplikasikan alat pencacah daging ikan sebagai bahan baku abon ikan yang efektif dan efisien. Rancangan alat pencacah abon yang akan dibuat adalah tipe mekanis supaya mudah dan fleksibel digunakan oleh pengguna. Rancangan alat bantu pencacahan yang dibuat ini difokuskan pada metode kemampuan untuk mencacah daging ikan supaya ukurannya sesuai dengan yang diinginkan dan lebih seragam. Sebagai alternatif untuk mendapatkan tenaga pencacahan yang tidak melelahkan operator adalah dengan menggunakan poros yang dirangkai dengan bagian pencacah dan dihubungkan ke motor listrik. Setelah itu, langkah selanjutnya adalah membuat kemasan abon ikan yang menarik supaya mudah dipasarkan. Alat pencacah hasil rancangan menunjukkan kapasitas kerja alat sebesar 500 gram ikan per menit dan hasil cacahan juga lebih seragam dibandingkan cara manual. Potensi usaha abon ikan ini sangat menjanjikan, dapat dilihat dari hasil perhitungan menunjukkan bahwa dari 30 kilogram ikan, mampu meraup untung sebesar 355 ribu rupiah. Dengan adanya program ini diharapkan banyak manfaat yang akan dirasakan oleh masyarakat, yaitu: memberi nilai tambah ikan, menambah peluang usaha baru berkat hasil produk baru yaitu abon ikan, meningkatkan kuantitas dan kualitas abon dan meminimumkan susut, menciptakan lapangan kerja baru bagi masyarakat.
Analysis of Hg(II) Metal by Voltammetric Method Using a Carbon Electrode Modified with EDTA from Used Tire Waste Sukoma, Sukoma; Alva, Sagir; Safitri, Eka; Julinawati, Julinawati; Mustanir, Mustanir; Fonna, Syafrizal; Ihsan, Muhammad; Dara, Fitri; Dayanti, Meri; Arifin, Ahmad Kamal; Suhud, Khairi
Indonesian Journal of Chemistry Vol 24, No 6 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.97561

Abstract

Development of a carbon electrode sensor from used tire waste via pyrolysis, modified with ethylenediaminetetraacetic acid (EDTA) for mercury detection using the cyclic voltammetry (CV) method. EDTA plays a role in metal complexation due to its strong response to mercury metal. The FTIR results of the carbon electrode and EDTA show a C–N bond at a wavenumber of 1,217.08 cm−1, indicating the presence of EDTA. The SEM results reveal a clear difference between the unmodified carbon electrode and the EDTA-modified carbon electrode. The calibration graph is linear, with an R2 value of 0.9961, a sensitivity of 0.3472, as well as LoD and LoQ values of 0.03 and 0.08 ppm, respectively. The correlation coefficient is less than 2%, and the %recovery is within the allowable error range. Mercury measurements in Sungai Mas water samples, Aceh Barat, using voltammetry and AAS, exceed the threshold set by Indonesian Government Regulation (PPRI) No. 22 of 2021. The t-test results for the two Hg measurement methods at a 5% significance level (α) show that tcalculated < ttable (0.083 < 2.571). This indicates no significant difference between the voltammetry and AAS methods for measuring Hg concentrations in water.
The validation of urea determination in saliva using optical urea biosensor with p-dimethylaminobenzaldehyde (DMAB) reagent ALDIANSYAH, TEUKU; SAFITRI, EKA; GINTING, BINAWATI; NAZARUDDIN, NAZARUDDIN; SUHUD, KHAIRI; SALEHA, SITTI; NURHAYATI, NURHAYATI; NAZARUDDIN, SALSABILLA LATANSA; AFIFI, MUHAMMAD RIDHO; NURHAIDA, NURHAIDA
Jurnal Natural Volume 25 Number 1, February 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v25i1.41251

Abstract

The validation of urea determination in saliva using the biosensor method and the p-dimethylaminobenzaldehyde (DMAB) method has been successfully conducted. Anthocyanin compounds from Chatarantus roseus flowers were extracted using the maceration method with methanol as the solvent, yielding a total of 22.60% with a total concentration of 6.01 mg/L. The obtained extract was subjected to qualitative anthocyanin testing, showing a positive result was indicated by the formation of a reddish color and quantitative testing with the formation of a faded yellow color. The maximum wavelength ( max) of anthocyanin was 664 nm with an absorbance of 0.674. The saliva samples were obtained from three different ages i.e: children, teenagers, and adults. During the saliva collection procedure, participants were instructed to abstain from consuming any food or beverages, with the exception of water, for a minimum of 1 hour prior to sample collection. All samples were stored in a freezer at 4-8C until needed for analysis. Linearity test results were assessed using a calibration curve, yielding a coefficient of determination (R) of 0.978 with a sensitivity of 0.033 for the biosensor and an R of 0.975 with a sensitivity of 0.685 for DMAB. The limit of detection (LOD) values were determined as 7.203 10 M for the biosensor and 6.984 10 M for DMAB, while the limit of quantification (LOQ) values were 2.182 10 M and 2.116 10 M, respectively. Statistical analysis using a t-test showed tcalculated = 1.314, compared to ttable = 4.302, indicating that tcalculated ttable. This result suggests no statistically significant difference between the biosensor and DMAB methods, confirming that the biosensor method is comparable in performance to the DMAB method. Additionally, urea concentration measurements showed that adult samples exhibited the highest urea levels among the tested samples, which may indicate an association with potential health risks, including dental caries, kidney failure, and liver damage.
Distribution pattern of Pb and Zn contamination in rivers near industrial zone in Aceh, Indonesia, revealed by principal component analysis (PCA) Lelifajri, Lelifajri; Rahmadi, Rahmadi; Idroes, Rinaldi; Supriatno, Supriatno; Safitri, Eka; Nazaruddin, Nazaruddin; Maulana, Ilham; Suhud, Khairi
Jurnal Rekayasa Kimia & Lingkungan Vol 17, No 1 (2022): Jurnal Rekayasa Kimia & Lingkungan (June, 2022)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v17i1.22672

Abstract

The research aims to evaluate the pollution of Pb and Zn in water, sediment, and Faunus ater samples collected from Krueng Balee (KB) and Kreung Reuleung (KR) Rivers, Aceh, Indonesia. The samples were collected at the upstream, midstream, and downstream of each river and analyzed using Atomic Absorption Spectrophotometry (AAS). The distribution of Pb and Zn pollution was analyzed using Principal Component Analysis (PCA). Our investigation revealed that the presence of Pb and Zn is still safe for water and sediment samples. Nevertheless, Pb and Zn contamination found in F. ater samples had exceeded the national safety limit for food. PCA analysis revealed correlations between samples suggesting the roles of physical and chemical properties of the river in the pollutant retainment. The analysis also indicated the possible antagonism between Pb and Zn accumulation in F. ater which has never been reported previously. We suggest routine monitoring of Pb and Zn concentrations. The role of the surrounding industry in the Pb and Zn pollution should be further studied.
FT-IR Characterization and Phylogenetic Analysis of Patchouli Oil from West Aceh and Aceh Jaya using PCA and HCA Nisak, Khairun; nariska, Sandiana; Suhud, Khairi; Sufriadi, Elly
Journal of Carbazon Vol 2, No 1 (2024): June 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jocarbazon.v2i1.38859

Abstract

This study aims to characterize and compare the chemical composition of patchouli oil from various regions in Aceh, Indonesia, using Fourier-transform Infrared Spectroscopy (FT-IR) combined with Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA). Patchouli oil samples from five distinct locations within West Aceh and Aceh Jaya Regencies were analyzed, focusing on the 1800-500 cm range. The FT-IR spectra revealed significant chemical markers, with notable absorption bands corresponding to aliphatic C-H, C=O, and C=C stretching vibrations. Multivariate analyses showed distinct clustering patterns, with four samples (POSM, POSP, POT, and POW) exhibiting high chemical similarity and clustering together, while one sample (POP) formed a separate cluster, indicating a lower degree of similarity. PCA analysis of the original spectra in the 1800-500 cm range yielded a cumulative PC1 and PC2 value of 89%. The HCA dendrogram highlighted a significant relative distance of 10 between the POP sample and the other four samples, indicating minimal relatedness, with the closest relatedness observed between POSM and POSP, having a relative distance of 1.1. This study demonstrates the effectiveness of FT-IR spectroscopy combined with PCA and HCA in distinguishing chemical profiles of patchouli oil from different regions, providing insights into geographical and varietal influences on oil composition. The findings are crucial for quality control and standardization in the patchouli oil industry, with further molecular studies recommended to corroborate and enhance understanding of genetic diversity among patchouli varieties in Aceh.
Co-Authors Afifi, Muhammad Ridho ALDIANSYAH, TEUKU Arifin, Ahmad Kamal Binawati Ginting Dayanti, Meri Eka Safitri Fitri Dara Fonna, Syafrizal Ilham Maulana Julinawati, Julinawati Lelifajri Lelifajri Muhammad Ihsan Mustanir Mustanir Mustaqimah Mustaqimah N. Nazaruddin nariska, Sandiana NAZARUDDIN, SALSABILLA LATANSA Nisak, Khairun Nurhaida Nurhaida Nurhayati Nurhayati Rahmadi Rahmadi Rinaldi Idroes Sagir Alva Sitti Saleha, Sitti Sufriadi, Elly Sukoma, Sukoma Supriatno Surbakti, Muhammad Syukri T. Ferijal, T. Ferijal