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All Journal Ecotrophic, Journal of Environmental Science JURNAL KIMIA SAINS DAN APLIKASI The Journal of Pure and Applied Chemistry Research Jurnal Riset Kimia Jurnal Kimia Riset Science and Technology Indonesia Jurnal Teknologi Mineral dan Batubara Chimica et Natura Acta ALCHEMY Jurnal Penelitian Kimia Indonesian Journal of Chemistry Communications in Science and Technology Jurnal Kartika Kimia Jurnal Abdimas Kartika Wijayakusuma Jurnal Teknologi Mineral dan Batubara al Kimiya : Jurnal Ilmu Kimia dan Terapan Journal of Tropical Pharmacy and Chemistry
Arie Hardian
Department Of Chemistry, Faculty Of Sciences And Informatics, Universitas Jenderal Achmad Yani Cimahi
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Physics Social Sciences Other

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Implementasi Percobaan Kimia Sederhana dalam meningkatkan Literasi Sains Siswa SMPN 1 dan SMAN 1 Sumedang Thoriq, Thoriq; Rahayu, Rizky Sri; Azis, Muhammad Yudhistira; Rusnadi, Rusnadi; Hardian, Arie
Jurnal Abdimas Kartika Wijayakusuma Vol 5 No 2 (2024): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jakw.v5i2.491

Abstract

Kemampuan literasi sains merupakan salah satu aspek yang dapat memberikan pendekatan pembelajaran sains dalam menjawab fenomena alam sehari-hari serta membuat pembelajaran sains lebih mudah dipahami dan lebih menyenangkan. Budaya pembelajaran sains ini perlu terus berlanjut diterapkan terutama bagi siswa terdampak bencana untuk meningkatkan motivasi belajar SMPN 1 dan SMAN 1 Sumedang merupakan contoh sekolah terdampak bencana gempa bumi Sumedang yang dapat mengurangi trauma bencana dengan implementasi percobaan kimia sederhana. Percobaan ini bertujuan untuk meningkatkan motivasi belajar siswa di bidang sains melalui pendekatan yang praktis dan menyenangkan dalam menghilangkan trauma psikis yang dialami. Metode yang digunakan adalah pengenalan konsep sains dasar melalui beberapa demonstrasi kimia yang mudah dipahami. Beberapa percobaan kimia yang didemonstrasikan yaitu Pengujian Vitamin C, Larutan Ajaib, Balon Hidrogen, Lava Lamp, Elephant Toothpaste, Pesan Rahasia, dan Jam Iodin. Kegiatan pengabdian masyarakat ini berhasil meningkatkan kemampuan literasi dan motivasisiswa dalam belajar sains dilihat dari antusiasme dan hasil feedback yang diperoleh. Pengabdian masyarakat dalam bentuk implementasi percobaan kimia sederhana ini dapat menjadi solusi dan strategi efektif secara berkelanjutan untuk meningkatkan pembelajaran, kemampuan literasi sains, dan motivasi siswa setelah menghadapi bencana.
Penerapan Teknologi Hijau Elektrokoagulasi/Filtrasi Jamur-Tiram untuk Optimalisasi Pengelolaan Limbah Cair dan Peningkatan Produksi Tahu di Parongpong Bandung Barat Murniati, Anceu; Budiman, Senadi; Yusriski, Rinto; Hardian, Arie
Jurnal Abdimas Kartika Wijayakusuma Vol 5 No 2 (2024): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jakw.v5i2.532

Abstract

Industri tahu di Parongpong, khususnya Pabrik Intan Suri Tahu, menghadapi tantangan dalam pengelolaan limbah cair yang tidak efektif, menyebabkan pencemaran air dan tanah, serta bau tak sedap. Program pengabdian masyarakat mengimplementasikan teknologi hijau Elektrokoagulasi/Filtrasi Jamur-Tiram, yang berhasil meningkatkan kapasitas produksi tahu dari 400 menjadi 500-600 kg per hari. Teknologi ini juga mengurangi nilai COD (Chemical Oxygen Demand), BOD (Biological Oxygen Demand), dan TSS (Total Suspended Solids) yang tinggi secara signifikan, dan menghilangkan bau tidak sedap. Hasil laboratorium menunjukkan kualitas air limbah memenuhi standar Permen LH No.5 Tahun 2014. Evaluasi pasca implementasi melalui kuesioner menunjukkan bahwa 100% responden mengakui manfaat teknologi ini, termasuk peningkatan kualitas lingkungan, kesehatan, dan kondisi sosial. Bau tidak sedap berkurang sebesar 75%, dan 70% responden melaporkan perbaikan kesehatan, terutama terkait masalah pernapasan. Selain itu, 100% responden mencatat peningkatan kualitas air untuk pertanian dan perikanan, serta pengurangan konflik antarwarga. Focus Group Discussion (FGD) yang melibatkan Dinas Lingkungan Hidup, pemerintah daerah, dan masyarakat memperkuat komitmen terhadap keberlanjutan program. Teknologi ini diakui sebagai model efisien dan berbiaya rendah yang dapat diadopsi oleh industri tahu lainnya. Dengan hasil positif dari responden, program ini menunjukkan bahwa teknologi hijau ini efektif secara lokal dan memiliki potensi penerapan yang lebih luas, mendukung lingkungan dan kesejahteraan masyarakat.
Separation of Gadolinium(III) from Terbium(III) by the Liquid-Liquid Extraction Method with Dibutyldithiophosphate as the Extractant Senadi Budiman; Arie Hardian; Lisda Virdasari; Nurdeni Nurdeni; Herman Herman; Abdul Mutalib; Anni Anggraeni; Husein H. Bahti
Journal of Tropical Pharmacy and Chemistry Vol. 6 No. 1 (2022): J. Trop. Pharm. Chem.
Publisher : Faculty of Pharmacy, Universitas Mulawarman, Samarinda, Indonesia, 75117, Gedung Administrasi Fakultas Farmasi Jl. Penajam, Kampus UNMUL Gunung Kelua, Samarinda, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25026/jtpc.v6i1.430

Abstract

The purpose of this research is to separate gadolinium(III) from terbium(III), by the liquid-liquid extraction method, with the extractant dibutyl dithiophosphate. Gadolinium(III) and terbium(III) have been selected in this study to see if the two metallic ions still could be separated although they have only one difference in atomic number, and in fact, terbium (65Tb) is the next to gadolinium(64Gd), in the lanthanide series. Also besides, the two metals have been found together in the same mineral such as gadolinite, and in some other minerals in Indonesia. Extraction parameters have been firstly selected and extraction conditions have been optimized as well, using the experimental design of Plackett Burman. Thus, experiments have been done to select which of the nine parameters (i.e. Gd(III) and Tb(III) concentrations, the concentration of the extractant (dibutyl dithiophosphate), pH, volume ratio of aqueous phase to the organic phase, extraction temperature, shaking rate, shaking time, resting time (after shaking), have their significant effect on the extraction efficiency and separation. The data resulted from this study show that there were five of the nine factors studied that determine the extraction efficiency and separation. They were (with its respective optimum value in the bracket): Gadolinium concentration [Gd(III)](5 ppm), terbium concentration [Tb(III)](5 ppm), pH(3.0), shaking time (10 minutes), and rest time after shaking (10 minutes).
Evaluation of Mineral-Based Zn-Doped Hydroxyapatite as a Photocatalyst for Methylene Blue Degradation Nisrina, Aniqa; Karya, Teguh; Halim, Riyan; Murniati, Anceu; Hardian, Arie; Gustaman Syarif, Dani; Rostika Noviyanti, Atiek; Jasmansyah, Jasmansyah; Reza, Muhammad
The Journal of Pure and Applied Chemistry Research Vol. 13 No. 3 (2024): Edition September-December 2024
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2024.013.03.7908

Abstract

Methylene blue is a synthetic dye known to be harmful to aquatic environments. Therefore, efforts are needed to minimize methylene blue waste. This study focuses on degrading methylene blue through photocatalysis, a method chosen for its affordability and ease of use. The photocatalyst used is hydroxyapatite (HAp) derived from limestone (CaCO3) doped with zinc ions (Zn2+). This combination enhances the efficiency of breaking down dye molecules in liquid waste. The photocatalytic performance was tested under three variations: solution concentration, contact time, and pH, using an 8-watt UV lamp for specified durations. Solution absorbance was measured using a Shimadzu 1800 UV-Vis spectrophotometer. Optimal conditions for methylene blue photodegradation by Zn-doped HAp were achieved at 67.2% efficiency for 5 ppm concentration, 16.125% for 120 minutes of irradiation, and 34.86% at pH 7. Additionally, the study included an analysis of adsorption isotherm models for concentration variation and kinetic adsorption analysis for time variation. The Langmuir and Temkin adsorption isotherm models were found to be most suitable with an R2 = 1. The photodegradation kinetics model followed pseudo second-order kinetics with an R2 = 0.990.
EVALUATION OF MINERAL-BASED HYDROXYAPATITE/ZnO COMPOSITES AS PHOTOCATALISTS FOR METHYLEN BLUE DEGRADATION Hardian, Arie; Nafisah, Aulia Zakiyatun; Karya, Teguh; Halim, Riyan; Murniati, Anceu; Syarif, Dani Gustaman; Noviyanti, Atiek Rostika; Nurhayati, Mita; Jasmansyah, Jasmansyah; Reza, Muhammad
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol 11, No 2 (2024): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v11i2.37886

Abstract

The use of dyes in the textile industry has increased significantly, raising concerns about their potential to pollute the environment and harm human health. Methylene blue is a widely used synthetic dye, necessitating effective methods for its degradation. Photodegradation is a promising approach to decompose dyes into simpler, less harmful compounds. In this study, hydroxyapatite combined with ZnO was employed as a photocatalyst material to enhance photocatalytic performance. The research aims to degrade methylene blue using a Hydroxyapatite/ZnO (HAp/ZnO) nanocomposite through photodegradation. The optimization of the photodegradation process was investigated by varying irradiation time, methylene blue concentration, and pH. The optimum degradation of methylene blue was achieved using 20 mg of HAp/ZnO nanocomposite at an irradiation time of 120 minutes, an initial methylene blue concentration of 5 ppm, and pH 7. Adsorption isotherm modeling revealed that the process followed the Langmuir isotherm model, with a maximum adsorption capacity (qmax) of 0.3353 mg/g. The degradation followed pseudo-second-order kinetics with a reaction rate constant of 4.0026×105 L/mol·s.
Antibacterial Potential of SrBi2Ta2O9 Synthesized via Molten Salt Method Izzah, Nuril Lailatul; Savira, Amalia; Ma’unatin, Anik; Safitri, Widya Nur; Hardian, Arie; Prasetyo, Anton
The Journal of Pure and Applied Chemistry Research Vol. 14 No. 1 (2025): Edition January-April 2025
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2024.014.01.3352

Abstract

One of the interesting properties of Aurivillius compounds is photocatalysts; therefore, they have the potential to be used as antibacterials. However, the study of the antibacterial properties of Aurivillius compounds is still very limited, therefore it’s important to conduct research on it’s properties. Our research aims to study the photocatalytic activity of SrBi2Ta2O9 compounds synthesized by molten salt method (using NaCl/KCl salt) as antibacterial. The diffractogram of the sample shows that the SrBi2Ta2O9 was successfully synthesized, but an impurity phase was formed as Bi2O3, Ta2O5, and SrBi2.83Ta5O15. The SEM images show that the morphological shape obtained is plate-like, which still has agglomeration with particle size distribution at range 20-80 μm. Plot tauc shows that the band gap energy of SrBi2Ta2O9 compounds is 2.8 and 3.06 eV, respectively. The antibacterial activity test results showed that the SrBi2Ta2O9 compound can inhibit staphylococcus bacterial growth under and without light radiation. It indicates that there are two possible mechanisms related to the inhibition of bacterial growth i.e: (a) photocatalysis, and (b) toxicity properties.
A Review on Hydroxyapatite: Properties, Its Composite, and Its Slow-Release Fertilizers Application Hemzah, Sabila Aulia; Noviyanti, Atiek Rostika; Kurnia, Irwan; Hardian, Arie; Irwansyah, Ferli Septi; Ma’Amor, Azman
Jurnal Kartika Kimia Vol 8 No 1 (2025): Jurnal Kartika Kimia
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v8i1.913

Abstract

Hydroxyapatite (HAp), a natural mineral form of calcium apatite, has recently received significant attention due to its potential application as a slow-release fertilizer. This review aims to comprehensively analyze HA and its composites, focusing on properties, synthesis methods, and nutrient release mechanisms in agricultural applications. HA's high biocompatibility, excellent adsorption capacity, and ability to release nutrients gradually make it an ideal candidate for increasing soil fertility and crop yields. This review also explores the incorporation of other materials, such as urea, carboxylated cellulose, and montmorillonite, to form HA composites, thereby increasing their efficiency as fertilizer. In addition, the environmental benefits of using HA-based fertilizers, such as reduced nutrient leaching and improved soil health, were also investigated. Challenges and future perspectives are also discussed, emphasizing the need for further research to optimize these materials for practical agricultural use. This review highlights the potential of HA and its composites to revolutionize sustainable agriculture by providing a controlled and efficient nutrient release system.
Electrochemical Behavior of Copper Electrodes Modified with CS-GA-ZnO Np/Polysulfone Nanocomposites via Cyclic Voltammetry Afiyah, Delinda Nirmala; Hardian, Arie; Murniati, Anceu
Jurnal Kartika Kimia Vol 8 No 1 (2025): Jurnal Kartika Kimia
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v8i1.932

Abstract

Copper (Cu) is an economical alternative electrode material with high electrical conductivity and electrochemical properties that support redox reactions. To enhance its electrochemical performance, the copper electrode was modified using a nanocomposite consisting of 5% chitosan (CS), 5% polysulfone (Psf), 0.9% Zinc Oxide nanoparticles (ZnO Np), and 25% glutaraldehyde (GA). This study aims to characterize and evaluate the electrochemical performance of the CS-GA-ZnO NP/Psf-modified copper electrode using cyclic voltammetry and FTIR spectroscopy. Cyclic voltammetry characterization was carried out using 0.03 M K₃[Fe(CN)₆] and 0.01 M analytical-grade glucose solutions, both prepared in 0.1 M KCl, with scan rate variations of 15–30 mV/s. The optimum scan rate for the K₃[Fe(CN)₆] solution was found to be 20 mV/s with an oxidation-to-reduction current ratio (Ipa/Ipc) of 1.01, while for glucose, the optimum scan rate was 30 mV/s with a ratio of 0.74. The FTIR spectrum showed a peak at 1643 cm⁻¹, indicating successful crosslinking between chitosan and glutaraldehyde through the formation of imine bonds (CH=N). These findings demonstrate that the CS-GA-ZnO NP/Psf nanocomposite effectively enhances electron transfer efficiency on the copper electrode surface. This modified electrode shows strong potential for application in electrochemical sensors, particularly for glucose detection.
Pemberdayaan Dosen Dan Editor Jurnal Ilmiah Di Lingkungan Unjani Dalam Pengembangan Sistem Repositori Publikasi Ilmiah Unjani Najmurrokhman, Asep; Hardian, Arie; Murniati, Anceu; Saefudin, Deny Bayu
Jurnal Abdimas Kartika Wijayakusuma Vol 1 No 1 (2020): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (424.772 KB) | DOI: 10.26874/jakw.v1i1.7

Abstract

Pemeringkatan perguruan tinggi telah menjadi acuan dalam menilai kualitas sebuah perguruan tinggi. Parameter pemeringkatan didasarkan atas data yang terlacak mesin pencari laman yang meliputi data repositori publikasi ilmiah dan faktor dampaknya. Universitas Jenderal Achmad Yani (Unjani) sudah memiliki wadah untuk menyimpan publikasi ilmiah yang dimiliki secara individu maupun yang diterbitkan dalam bentuk jurnal ilmiah. Namun demikian, data publikasi ilmiah yang dimiliki oleh para dosen belum banyak tersimpan didalamnya. Kondisi lain terkait jurnal ilmiah yang dimiliki setiap fakultas dan universitas juga tidak begitu menggembirakan. Data artikel yang dimuat dalam jurnal tidak diperbaharui bahkan masih banyak jurnal yang terlihat berhenti beraktivitas. Kondisi tersebut menyebabkan kinerja penelitian institusi yang diukur dari publikasi ilmiah dosen menjadi sulit dievaluasi dan ditentukan indikator keberhasilannya. Selain itu, saat ada penilaian proses akademik dan penilaian kinerja penelitian dan publikasi masih harus ditempuh secara manual. Hal tersebut mengganggu proses integrasi data dan penilaian secara komprehensif terkait profil penelitian institusi. Untuk mengatasinya, sebuah upaya sistematis harus dilakukan dalam memanfaatkan repositori tersebut. Makalah ini menguraikan tentang kegiatan pengabdian masyarakat yang dilakukan berkaitan dengan pemberdayaan dosen dan pengelola jurnal ilmiah dalam membantu pengembangan repositori publikasi ilmiah Unjani.
Pengembangan Pembelajaran Jarak Jauh Bidang Kimia : Pemanfaatan Teknologi Informasi dalam Pembelajaran Kimia Yun, Yenny Febriani; Purbaya, Sari; Safi'i, Abdi Wadud; Agustini, Dewi Meliati; Mulyani, Rahmaniar; Suprabawati, Anggi; Sujono, Hernandi; Aisyah, Lilis Siti; Kusumaningtyas, Valentina Adimurti; Hardian, Arie; Jasmansyah, Jasmansyah; Budiman, Senadi; Yuliana, Trisna; Murniati, Anceu; Agma, Muljadji
Jurnal Abdimas Kartika Wijayakusuma Vol 2 No 1 (2021): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (511.124 KB) | DOI: 10.26874/jakw.v2i1.97

Abstract

Abstrak: Perkembangan metode pembelajaran saat ini terus berkembang seiring berkembangnya ilmu pengetahuan dan teknologi. Termasuk dalam situasi pandemi seperti ini, diperlukan media pembelajaran yang memadai agar tujuan belajar mengajar tercapai. Namun sampai saat ini media pembelajaran interaktif belum berkembang dengan optimal di Indonesia, meliputi tingkat pemahaman dan tingkat keterampilan guru dan dosen yang masih rendah. Maka upaya yang dilakukan untuk mengatasi situasi permasalahan tersebut di atas yaitu dengan memberikan beberapa materi yang terkait dengan upaya mengembangkan media pembelajaran interaktif agar pembelajaran yang diberikan meningkatkan minat dan kualitas belajar siswa. Bentuk kegiatan yang cocok yaitu webinar series dan workshop pelatihan pembuatan media pembelajaran secara interaktif. Pendekatan yang dilakukan melalui kegiatan webinar tentang literasi sains kimia dan workshop on line tentang kimia komputasi. Hasil kegiatannya yaitu untuk meningkatkan pemahaman masyarakat tentang pemanfaatan teknologi dan pengembangan media pembelajaran interaktif maka diperlukan suatu kegiatan berbentuk webinar yang bermanfaat bagi mereka dan menjelaskan bagaimana mengembangkan dan membuat media pembelajaran yang mudah dan dapat diterima oleh siswa dan mahasiswa, sedangkan untuk meningkatkan keterampilan diperlukan kegiatan workshop/pelatihan dalam rangka meningkatkan pembuatan media belajar yang atraktif. Kata kunci: metode pembelajaran, situasi pandemi, webinar series, workshop pelatihan, dosen, guru
Co-Authors Abdul Mutalib Afiyah, Delinda Nirmala Agma, Muljadji Agustini, Dewi Meliati Aini Aspiati Rohmah Alvi Aristia Ramadhiany Anceu Murniati Anceu Murniati Anggi Suprabawati Anggi Suprabawati Anni Anggraeni Anton Prasetyo Anton Prasetyo Anwari, Nelly Safitri Aprillianto, Yesaya Asep Najmurrokhman Atiek Rostika Noviyanti Bashofi, Syilfia Ainur Rohmah Buchari Buchari Buchari Buchari Budiman, Senadi Chairussani Abbas Sopamena Dani Gustaman Syarif Dani Gustaman Syarif Dani Gustaman Syarif Dani Gustaman Syarif Dani Gustaman Syarif Datin Fatia Umar Dera Triani Dian Ayu Setyorini Dwi Rahayu Novianti Efri Mardawati Ekawandi, Fanny Rahman Eki Al Ghifari Fahmi Sulistyohadi Fikri Haikal Gilang Adi Nugraha Gustaman Syarif, Dani Halim, Riyan Hemzah, Sabila Aulia Herawati Herman Herman Himmah, Suci Noerfaiqotul Husein Hernadi Bahti Ika Monika Ika Monika Imas Masriah Inggarwati , Ervina Dwi Izzah, Nuril Lailatul Jasmansyah Jasmansyah Jasmansyah, Jasmansyah Karya, Teguh Kurnia, Irwan Kusumaningtyas, Valentina Adimurti Lilis Siti Aisyah, Lilis Siti Lisda Virdasari Ma’unatin, Anik Mapiliandari, Inda Maqsudi, Shobir Muntahal Maryani, Kanty Ma’amor, Azman Muhammad Reza Muhammad Yudhistira Azis Mulyani, Rahmaniar Nadia Annisa Fajriana Nafisah, Aulia Zakiyatun Nisrina, Aniqa Nur Aini Nur Aini Nurdeni, Nurdeni Nurhayati, Mita Phiciato Phiciato Purbaya, Sari Puspa Sari, Puspa Rahayu, Rizky Sri Restu Muchammad Ibrahim Rina Astriana Rina Herdiana Putri Rinto Yusriski Rivaldi, Mochammad Heldry Rizky, Amelia Rosi Rosidah RR. Ella Evrita Hestiandari Rusnadi Rusnadi Saefudin, Deny Bayu Safi'i, Abdi Wadud Safitri, Widiya Nur Safitri, Widya Nur Sagita, Fuja Savira, Amalia Senadi Budiman Senadi Budiman Senadi Budiman Senadi Budiman Setiyanto, Henry Sheley Marela Suharnoko Suharnoko Sujono, Hernandi Suryo Gandasasmita Suryo Gandasasmita Thoriq, Thoriq Tirta, Ardina Purnama Usman Ali Rouf Veinardi Suendo Yenny Febriani Yun, Yenny Febriani Yuliana, Trisna Yuliana, Trisna Yusuf Eka Maulana ZEILY NURACHMAN Zeily Nurachman