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All Journal Indonesian Journal of Chemical Studies (Indones. J. Chem. Stud.) Journal of General Education and Humanities JPM-AKA
Asrorudin, Udin
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Humanities Chemistry Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Pelatihan Pembuatan Mesin Penetas Telur Berbasis Industri 4.0 Di Industri Kecil Menengah Telur Asin Cipta Barokah Cihideung-Cijeruk Kabupaten Bogor Putra, Arie Pratama; Zakaria, Ahmad; Hayat, Mohammad; Asrorudin, Udin; Aynuddin, Aynuddin; Fachrurrazie, Fachrurrazie
Jurnal Pengabdian Masyarakat AKA Vol 4, No 2 (2024): Desember 2024
Publisher : Politeknik AKA Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55075/jpm-aka.v4i2.257

Abstract

Kegiatan pengabdian kepada masyarakat (PKM) telah dilaksanakan di IKM Telur Asin Cipta Barokah Cihideung-Cijeruk Kabupaten Bogor. Tujuan PKM adalah memberikan pengetahuan dan keterampilan tambahan kepada pelaku IKM Telur Asin Cipta Barokah terkait penggunaan mesin penetas telur berbasis industri 4.0. Pelaksanaan kegiatan PKM diawali dengan survei pendahuluan untuk mengetahui permasalahan. Selanjutnya dilakukan sosialisasi dan pelatihan penggunaan mesin penetas terlur berbasis industri 4.0. Tahap terakhir kegiatan adalah evaluasi hasil kegiatan PKM. Kegiatan PKM menghasilkan mesin penetas telur berbasis industri 4.0 yang dapat mengatur suhu penetasan secara otomatis dan memutar telur secara otomatis dengan interval pemutaran setiap 3 jam. Berdasarkan hasil kuisioner, kegiatan pelatihan yang telah dilakukan mendapatkan respon positif dan memberikan manfaat  kepada IKM Telur Asin Cipta Barokah Cihideung-Cijeruk Kabupaten Bogor
Level of Student Satisfaction with the Performance of Electrochemical Analysis Practice Instructors Hayat, Moh; Muchyidin, Arif; Asrorudin, Udin
Journal of General Education and Humanities Vol. 4 No. 1 (2025): February
Publisher : MASI Mandiri Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58421/gehu.v4i1.399

Abstract

This study aims to analyze student satisfaction with instructors' performance in Electrochemical Analysis Practice at AKA Bogor Polytechnic. This study uses a quantitative approach with a survey method. Data was collected through a questionnaire based on the Likert scale, which was distributed to 23 students who had completed the course. Data analysis is carried out descriptively with frequency and percentage calculations, then converted into qualitative information. The study results showed that the overall level of student satisfaction was in the "good" category, with an average of 72.24%. The aspect of professionalism obtained the highest score (73.62%), while the aspect of practice implementation had the lowest score (69.56%). These results show that even though students are satisfied, there is room for improvement, especially in implementing practice. The main recommendations are developing technology-based teaching materials, improving laboratory equipment, and providing more comprehensive practical tutorials. This finding is expected to improve the quality of electrochemistry practicum learning.
Development and Characterization of Gold Nanoparticle-Modified SPCEs for the Electrochemical Sensing Diksy, Yuris; Tirta, Ardina Purnama; Herawati; Mulyawan, Reza; Hayat, Moh; Asrorudin, Udin
Indonesian Journal of Chemical Studies Vol. 4 No. 2 (2025): Indones. J. Chem. Stud. December 2025
Publisher : Indonesian Scholar Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55749/ijcs.v4i2.71

Abstract

Gold nanoparticles were successfully synthesized by reducing HAuCl4 using jengkol (Archidendron pauciflorum) extract as a reductant. The synthesized gold nanoparticles were characterized by UV–vis spectroscopy and particle size analyzer (PSA). The synthesized gold nanoparticles were deposited on the screen printed carbon electrode (SPCE) substrate using 2 methods, drop casting and differential pulse voltammetry over a potential range of (-1500) mV to 600 mV, scan rate of 100 mV/s for 5 cycles. The surface plasmon resonance (SPR) band of UV– Vis spectrum at 530.7 nm confirmed the presence of gold nanoparticles. The results of Au nanoparticle characterization using PSA show that the size of the Au-NPs formed is 33.5 nm with an optimal HAuCl4 concentration of 0.20 mM. Characterization of gold nano-deposited SPCE was carried out by measuring the peak current of the 1 mM K3Fe(CN)6/K4Fe(CN)6 system in KCl electrolyte solution (0.1 M) using cyclic voltammetry over a potential range of (-500) mV to 1000 mV, scan rate 100 mV/s for 5 cycles. Gold nanoparticles deposited by differential pulse voltammetry showed a higher current response compared to drop casting deposition.
Pembuatan Deterjen Cair Pencuci Batik Ramah Lingkungan di IKM Batik Pancawati Kabupaten Bogor Djasmasari, Wittri; Mapiliandari, Inda; Djanis, Ratnawati Lilasari; Herawati, Herawati; Rachmy, Silvia; Zakaria, Ahmad; Hayat, Mohammad; Asrorudin, Udin; Putra, Arie Pratama; Aynuddin, Aynuddin; Fachrurrazie, Fachrurrazie
Jurnal Pengabdian Masyarakat AKA Vol 3, No 2 (2023): Desember 2023
Publisher : Politeknik AKA Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55075/jpm-aka.v3i2.186

Abstract

Bogor memiliki komunitas pengrajin batik rumahan baik dengan teknik cap maupun tulis dengan motif khas Bogor di Kampung Batik Cibuluh, Kabupaten Bogor. Lerak (Sapindus rarak) biasanya digunakan sebagai pencuci kain batik karena dinilai dapat mempertahankan serat dan warna pada kain batik. Dalam kegiatan pengabdian kepada masyarakat ini, kami berusaha memberikan solusi untuk memberikan pelatihan pembuatan deterjen cair pencuci batik yang ramah lingkungan dari buah lerak sehingga bisa menambah nilai ekonomi buah lerak dan berpotensi menjadi tambahan produk bagi IKM Batik Pancawati, Kabupaten Bogor. Kegiatan ini dilakukan pada tanggal 17 Juli 2022. Kegiatan ini berjalan lancar dan diikuti dengan baik dan aktif oleh seluruh peserta sehingga dapat meningkatkan pengetahuan dan keterampilan peserta.
Co-Authors Ahmad Zakaria Arie Pratama Putra Arif Muchyidin Aynuddin, Aynuddin Diksy, Yuris Djanis, Ratnawati Lilasari Djasmasari, Wittri Fachrurrazie, Fachrurrazie Hayat, Moh Hayat, Mohammad Herawati Herawati Herawati Mapiliandari, Inda Mulyawan, Reza Rachmy, Silvia Tirta, Ardina Purnama