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Program Pembinaan Intensif Guru Pembina dan Siswa Ekstrakurikuler KIR di SMP/MTs Kabupaten Malang Berbasis Hasil Penelitian M Muchson; Aman Santoso; Irma Kartika Kusumaningrum; Deni Ainur Rokhim
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 6, No 2 (2022): Mei
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/aks.v6i2.4623

Kegiatan pendampingan masyarakat dalam pengembangan perencanaan Masjid Al-Barkah di Cipedak, Ciganjur, Jakarta Selatan ini merupakan kegiatan pengabdian pada masyarakat yang dilakukan oleh Program Studi Arsitektur, Fakultas Teknik, Universitas Muhammadiyah Jakarta. Kegiatan ini merupakan salah satu bentuk kepedulian Program Studi Arsitektur FT UMJ dalam upaya meningkatkan kualitas dan kemampuan masyarakat baik dalam menentukan keputusan dalam hal ini sebagai pemegang keputusan, maupun kemampuan dalam menerjemahkan sebuah kebutuhan ke dalam skematis desain. Pelaksanaan kegiatan ini bertujuan untuk mendampingi masyarakat khususnya para pengurus masjid dan pemangku keputusan di dalam masyarakat dalam memberikan solusi desain pada perencanaan pengembangan bangunan masjid yang semula hanya satu lantai menjadi dua lantai. Kegiatan pendampingan ini dilakukan dalam tiga tahapan kegiatan, tahap pertama meliputi observasi lapangan, kegiatan kedua berupa diskusi kelompok antar warga dan pengurus masjid dalam menentukan kebutuhan dan memberikan keputusan-keputusan terkait desain pengembangan dan tahap terakhir adalah eksekusi dari desain pengembangan perencanaan Masjid Al-Barkah yang dibantu oleh para mahasiswa Program Studi Arsitektur FT UMJ. Hasil akhir dari kegiatan pendampingan masyarakat ini diharapkan dapat memberikan pembelajaran bagi masyarakat dalam menentukan keputusan terkait dengan desain sesuai kebutuhan pengguna dalam hal ini tentunya masyarakat sekitar Masjid Al-Barkah.

Penerapan IoT Pada Proses Produksi Saos Dengan Sistem Less-Contact Didukung Database-Smart App Untuk UKM Sejahtera Sentosa Aripriharta Aripriharta; Agusta Rakhmat Taufani; Irma Kartika Kusumaningrum; Satia Nur Maharani; Adim Firmansah
Jurnal Abdimas Berdaya : Jurnal Pembelajaran, Pemberdayaan dan Pengabdian Masyarakat Vol 4, No 01 (2021): Jurnal Abdimas Berdaya
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jab.v4i01.90

Perbaikan Sistem Distribusi Dan Transportasi Dengan Menggunakan Distribution Requirement Planning (DRP) Dan Algoritma Djikstra (Studi Kasus : Depot Pertamina Tasikmalaya) Sumiharni Batubara; Rahmi Maulidya; Irma Kusumaningrum
JURNAL TEKNIK INDUSTRI Vol. 1 No. 1 (2011): Volume 1 No 1 Maret 2011
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

The competition in petroleum industry to meet customer requirements is very tight. Companies that are able to survive are a company that can meet consumer demand in a timely manner. Companies must pay attention to the smoothness of its distribution system so as to meet consumer demand for continuous and timely. The problems frequently encountered by the Petroleum Industry are a delay in delivery of fuel from depots to filling stations are located in the region such coverage Depot. This is caused by a number of previously unknown oil demands, the limited number of tank cars for fuel and lack of accuracy, adequacy determination of delivery routes fuel from depots to retail outlets. This paper is intended to help the Oil Industry to determine the fuel distribution system and the determination of delivery routes with the aim of minimizing shipping costs and delivery schedules to determine fuel from depots to retail outlets. The method used in this study is the Distribution Requirements Planning (DRP) to determine how the delivery of fuel from depots to retail outlets each with respect to the amount of the daily requirement of each pump.This research begins with forecasting demand for fuel at 81 gas stations for several future periods. Under the DRP method of forecasting at each gas station for one week ahead will be a need for fuel to be supplied by the Depot Tasikmalaya. So that the Depot can estimate the amount of fuel that must be sent to each retail outlets in the coming period. Furthermore Djikstra algorithm used to determine fuel delivery routes from depots to retail outlets. The selected route is a route with a shorter distance and minimum shipping costs. After that car assignment scheduling done by using rule-based scheduling longest travel time (Longest Processing Time), to obtain the finish time of fuel delivery is almost the same on every car is assigned.Use of the DRP method, assignment and scheduling and Djikstra algorithm, tank car is useful because it can estimate the needs of Tasikmalaya Depot gas station in the coming period so that the fuel supply depot in accordance with the requirements both in terms of quantity and time, can determine the route of delivery of fuel depots to gas stations with the shipping costs more low-cost, timely delivery time and workload tank car that is almost the same.

Physicochemical Changes and Role of Analytical Chemistry in Black Garlic (Allium sativum L.) Processing Wonorahardjo, Surjani; Sari, Dian Puspita; Salsabila, Arini; Estiyawati, Estiyawati; Yuliani, Dewi; Wijaya, Anugrah Ricky; Suharti, Suharti; Kusumaningrum, Irma Kartika; Maharani, Chariztya Anggita; Noviyanti, Thjiong Angelina
Makara Journal of Science Vol. 27, No. 2
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Black garlic is a traditional spice having potential of herbal medicine; however, continuous heating darkens its color and changes its taste due to chemical processes and new equilibrium in the system. In this study, fresh garlic was processed into black garlic at 60 °C for 24 days. Changes in physical and chemical parameters, such as browning and protein content, reducing sugar content, and antioxidative components were recorded. Protein content was measured by Kjeldahl method, brown color development was analyzed using a color reader, reducing sugar was examined using a dinitro salicylic DNS reagent, and antioxidative activities were studied with a diphenyl picrylhydrazyl DPPH reagent in terms of their percent inhibition. Gas chromatography – mass sepctrometry (GC–MS) and Liquid Chromatography-High Relosultion Mass Spectrometry (LC–HRMS) were performed to determine the chemical profiles. Results showed a number of interesting features. The protein and sugar contents increased up to 3 and 4 times that of the initial values, respectively during processing. The antioxidative properties improved in the later stages. The chemical profiles of volatile and nonvolatile components were altered in their final stage. Sulfur and nitrogen-containing nonvolatile components were relatively stable during heating, but their compositions changed. The natural chemical changes reflect the biological potential dynamics in biological processes as herbal supplements. The reflection of the processes might go further into food chemistry and the food industry. This needs an interdisciplinary approach, expanded to biological concepts and safe, ethical industrial processes.

Separation and Determination of Free Fatty Acids in Corn Oil and Palm Oil by Liquid-Liquid Extraction and Acidi-Alkalimetric Titration Rusdi, Hanumi Oktiyani; Kusumaningrum, Irma Kartika; Nareswari, Tsalis Jauza; Fauziah, Putri Nanda; Maharani, Richa Nan; Natasya, Shella
Walisongo Journal of Chemistry Vol 7, No 1 (2024): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v7i1.20461

Free Fatty Acids (FFA), which include unsaturated fatty acids like oleic and linoleic acid and saturated fatty acids like palmitic and stearic, are present in most oil compositions. The various negative impacts of FFA require these compounds to be eliminated. This research aims to separate FFA using Liquid-Liquid Extraction (LLE) and determine the levels of FFA using acid-alkalimetric titration in corn oil and palm oil. FFA extraction was carried out for 4 minutes with a solvent ratio of 9,5 ml diethyl ether + 40 ml ethanol + 0,5 ml water. By adding 1M Na2SO4, re-extraction was carried out for 3 minutes. The results obtained were 0.95% FFA levels in corn oil and 1.26% FFA levels in palm oil. FFA levels of both oils are still below the SNI FFA percentage of 3%; besides that, it is found that the FFA levels in palm oil are higher than in corn oil

Characterization of Organic Soap Synthesized from Samia cynthia ricini Cocoon Extract and Its Antibacterial Potential Rusdi, Hanumi Oktiyani; Wonorahardjo, Surjani; Kusumaningrum, Irma Kartika; Maisulah; Pribadi, Riza Agung; Putri, Adela Syiddah; Endang Ciptawati
Sains Natural: Journal of Biology and Chemistry Vol. 14 No. 3 (2024): Sains Natural
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jsn.v14i3.725

In a modern era that increasingly values health and sustainability, the demand for natural and environmentally friendly personal care products continues to grow. One response to this trend is the development of organic soaps produced from various natural ingredients. In this study, organic soap using Samia cynthia ricini silkworm cocoon extract has been synthesized. This study aims to assess the quality of organic soap synthesized from silk cocoon extract based on the Indonesian National Standard (SNI) quality criteria and its antibacterial potential. Silk cocoon soap is made from a mixture of silk cocoon extract with palm oil, coconut oil, olive oil, sodium hydroxide, and water. The quality measurements include organoleptic tests, pH, moisture content, total fat, insoluble substance in ethanol, and free fatty acids, based on SNI No. 4085: 2017 and 3532: 2016. Antibacterial testing is conducted by disc diffusion. The results showed that the synthesized silk cocoon soap has a yellowish-white color, a hard density, and no odor. The quality criteria of the soap meet the established standards, with a pH of 9.66, a water content of 11.47%, total fat of 75.00%, ethanol-insoluble substances of 0.52%, and free fatty acids of 1.58%. The soap also demonstrates antibacterial potential that describes by a larger diameter of the inhibitory area against Staphylococcus aureus bacteria.

Synthesis of EDTA-Functionalized Silica Coated Nanomagnetite as a Cobalt(II) Ion Adsorbent Kusumaningrum, Irma Kartika; Arabillah, Zulfikar Wildan; Kusfianti, Anisa Aulia; Munzil, Munzil; Wijaya, Anugrah Ricky
EduChemia: Jurnal Kimia dan Pendidikan Vol 9, No 1 (2024)
Publisher : Department of Chemical Education Faculty of Teacher Training and Education Universitas Su

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/educhemia.v9i1.22639

This research aims to synthesize silica-coated nanomagnetite EDTA functionalized (Fe3O4@SiO2-EDTA) to characterize its properties and test its ability to bind Co(II) metal ions. This research was carried out in several steps, including Synthesis of nanomagnetite and characterization via SEM, VSM, XRD, and FTIR; (2) Synthesis of nanomagnetite-coated silica (TEOS) and characterization via SEM, VSM, (3) Synthesis and characterization of silica-coated nanomagnetite with EDTA functionalization (Fe3O4@SiO2-EDTA), and characterization was carried out via SEM, VSM, XRD, and FTIR. (4) Adsorption ability test of Fe3O4@SiO2-EDTA as a Co(II) metal ion adsorbent. EDTA-functionalized silica-coated nanomagnetite was successfully synthesized. Confirmation and characterization of the synthesized material was performed on the basis of the FTIR spectrum band at wavenumber 687 cm-1, which confirmed the formation of magnetite, whereas the absorption band at wavenumber 1092 cm-1 confirmed the formation of a silica coating, and the peak at wavenumber 1617 cm-1 confirmed EDTA functionalization in the material. The peak of the XRD chromatogram is shown in XRD pattern 2, which confirms nanomagnetite, and in silica-coated nanomagnetite, the resulting characteristic peak is the same as the characteristic peak in Fe3O4 except in region 24, which confirms the presence of the silica coating. The magnetization of nanomagnetite before coating was 57 emu/g and that after coating was 48 emu/g. The maximum adsorption ability of the synthesized material for Co(II) ions was 0.1336 mg/g.

Nanomagnetit Terlapis Silika Sebagai Adsorben Ion Ni(II) Kusuma, Muhammad Akbar Ilyas Jaya; Kusumaningrum, Irma Kartika
ALCHEMY:Journal of Chemistry Vol 12, No 2 (2024): ALCHEMY: JOURNAL OF CHEMISTRY
Publisher : Department of Chemistry, Faculty of Science and Technology UIN Maulana Malik Ibrahim Malan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/al.v12i2.23508

Ekstraksi Fasa Padat Magnetik telah dikembangkan sebagai suatu metode pemisahan dengan menggunakan adsorben bersifat magnetik. Adsorben terdiri atas inti magnetis yang disalut dengan pelapis. Penelitian ini mensintesis nanomagnetit terlapis silika terfungsionalisasi Ethylenediaminetetraacetic Acid (EDTA) sebagai adsorben ion nikel(II). Proses sintesis dan karakterisasi adsorben dalam penelitian ini meliputi 1) Ekstraksi silika dari pasir kuarsa, 2) Sintesis nanomagnetit menggunakan metode kopresipitasi, 3) Pelapisan nanomagnetit menggunakan silika hasil ekstraksi untuk menghasilkan Fe3O4@SiO2, 4) Fungsionalisasi nanomagnetit terlapis silika dengan EDTA melalui perantara 3-Aminopropyltriethoxysilane (APTES). Hasil ekstraksi dan sintesis yang diperoleh kemudian dikarakterisasi menggunakan instrumen X-Ray Fluorescence (XRF) untuk mengetahui kadar kandungan hasil ekstraksi, Fourier Transform Infra-Red (FTIR) untuk mengetahui spektra khasnya, X-Ray Powder Diffraction (XRD) untuk mengetahui kristalinitasnya, Scanning Electron Microscope (SEM) untuk mengetahui morfologi permukaannya, serta Vibrating Sample Magnetometer (VSM) untuk mengetahui sifat kemagnetan. Kemampuan adsorpsi maksimal adsorben untuk mengikat ion nikel(II) ditentukan dari persentase massa ion nikel(II) terbesar yang diserap per gram adsorben pada uji variasi persentase ion nikel(II) terhadap variasi massa adsorben. Karakterisasi menggunakan XRF menunjukkan ekstraksi silika memiliki komposisi oksida SiO2 sebesar 99,2%. Karakterisasi FTIR menunjukkan puncak serapan pada 1067 cm-1 berkorelasi dengan ikatan Si-O silika hasil ekstraksi. Puncak serapan 687 cm-1, 1033 cm-1, dan 1510 cm-1 berkorelasi dengan ikatan Fe-O, Si-O, dan C=O pada nanomagnetit terlapis silika terfungsionalisasi EDTA. Hasil karakterisasi menggunakan XRD menunjukkan kesamaan antara pola difraksi hasil sintesis dengan pola difraksi nanomagnetit pada JCPDS No. 19-0629. Nanomagnetit berukuran 37-46 nm dan memiliki kekuatan magnetik sebesar 57 emu/g.

Program Pembinaan Intensif Guru Pembina dan Siswa Ekstrakurikuler KIR di SMP/MTs Kabupaten Malang Berbasis Hasil Penelitian Muchson, M; Santoso, Aman; Kusumaningrum, Irma Kartika; Rokhim, Deni Ainur
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 6 No 2 (2022): Mei
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/aks.v6i2.4623

Kegiatan pendampingan masyarakat dalam pengembangan perencanaan Masjid Al-Barkah di Cipedak, Ciganjur, Jakarta Selatan ini merupakan kegiatan pengabdian pada masyarakat yang dilakukan oleh Program Studi Arsitektur, Fakultas Teknik, Universitas Muhammadiyah Jakarta. Kegiatan ini merupakan salah satu bentuk kepedulian Program Studi Arsitektur FT UMJ dalam upaya meningkatkan kualitas dan kemampuan masyarakat baik dalam menentukan keputusan dalam hal ini sebagai pemegang keputusan, maupun kemampuan dalam menerjemahkan sebuah kebutuhan ke dalam skematis desain. Pelaksanaan kegiatan ini bertujuan untuk mendampingi masyarakat khususnya para pengurus masjid dan pemangku keputusan di dalam masyarakat dalam memberikan solusi desain pada perencanaan pengembangan bangunan masjid yang semula hanya satu lantai menjadi dua lantai. Kegiatan pendampingan ini dilakukan dalam tiga tahapan kegiatan, tahap pertama meliputi observasi lapangan, kegiatan kedua berupa diskusi kelompok antar warga dan pengurus masjid dalam menentukan kebutuhan dan memberikan keputusan-keputusan terkait desain pengembangan dan tahap terakhir adalah eksekusi dari desain pengembangan perencanaan Masjid Al-Barkah yang dibantu oleh para mahasiswa Program Studi Arsitektur FT UMJ. Hasil akhir dari kegiatan pendampingan masyarakat ini diharapkan dapat memberikan pembelajaran bagi masyarakat dalam menentukan keputusan terkait dengan desain sesuai kebutuhan pengguna dalam hal ini tentunya masyarakat sekitar Masjid Al-Barkah.

Separation and Determination of Free Fatty Acids in Corn Oil and Palm Oil by Liquid-Liquid Extraction and Acidi-Alkalimetric Titration Rusdi, Hanumi Oktiyani; Kusumaningrum, Irma Kartika; Nareswari, Tsalis Jauza; Fauziah, Putri Nanda; Maharani, Richa Nan; Natasya, Shella
Walisongo Journal of Chemistry Vol. 7 No. 1 (2024): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v7i1.20461

Free Fatty Acids (FFA), which include unsaturated fatty acids like oleic and linoleic acid and saturated fatty acids like palmitic and stearic, are present in most oil compositions. The various negative impacts of FFA require these compounds to be eliminated. This research aims to separate FFA using Liquid-Liquid Extraction (LLE) and determine the levels of FFA using acid-alkalimetric titration in corn oil and palm oil. FFA extraction was carried out for 4 minutes with a solvent ratio of 9,5 ml diethyl ether + 40 ml ethanol + 0,5 ml water. By adding 1M Na2SO4, re-extraction was carried out for 3 minutes. The results obtained were 0.95% FFA levels in corn oil and 1.26% FFA levels in palm oil. FFA levels of both oils are still below the SNI FFA percentage of 3%; besides that, it is found that the FFA levels in palm oil are higher than in corn oil

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