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All Journal Ecotrophic, Journal of Environmental Science JURNAL KIMIA SAINS DAN APLIKASI The Journal of Pure and Applied Chemistry Research 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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Synthesis and characterization of plate-like vanadium doped SrBi4Ti4O15 prepared via KCl molten salt method Sari, Puspa; Himmah, Suci Noerfaiqotul; Hardian, Arie; Aini, Nur; Prasetyo, Anton
Communications in Science and Technology Vol 7 No 2 (2022)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.7.2.2022.940

Abstract

SrBi4Ti4O15 is one of four-layered Aurivillius compound family member that can be used as photocatalyst material that works in the violet light region. To expand its work function range can be conducted by doped with metal elements to SrBi4Ti4O15 as results reduced its band gap energy. In this research, we synthesized vanadium doped SrBi4Ti4O15 (SrBi4Ti4-nVnO15 (n= 0, 0.05, 0.1, and 0.15)) by molten salt method (used KCl salt). The diffractogram sample showed that the target compounds SrBi4Ti4-nVnO15 (n= 0, 0.05, 0.1, and 0.15) had been successfully synthesized with the space group A21am without impurities. The SEM micrographs showed the particle shape of SrBi4Ti4-nVnO15 (n= 0, 0.05, 0.1, and 0.15) was plate-like (sheets) and V dopant did not cause agglomeration. The result of Kubelka-Munk equation calculation showed that the V dopant can reduced the band gap energy value from 3.04 eV (408 nm) to 2.84 eV (437 nm)
The effect of synthesis temperature on structural, morphological, and band gap energy of plate-like Bi4Ti2.95V0.05O12 prepared by molten NaCl/KCl salt method Maryani, Kanty; Anwari, Nelly Safitri; Safitri, Widiya Nur; Hardian, Arie; Inggarwati , Ervina Dwi; Prasetyo, Anton
Communications in Science and Technology Vol 9 No 1 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.1.2024.1279

Abstract

Vanadium (V)-doped Bi4Ti3O12 compound is reported to have good photocatalyst properties; however, efforts still need to improve the ability of the photocatalyst through various strategies, such as controlling the morphology and particle size. The molten salt method is one of the simple synthesis methods reported successful in synthesizing Bi4Ti3O12 compounds with plate-like/sheet morphology and reported having good photocatalyst activity. One of factor influenced to particle compound obtained by molten salt method is synthesis temperature. Therefore, in this work, V-doped Bi4Ti3O12 (Bi4Ti2.95V0.05O12) was prepared through the molten salt NaCl/KCl method at various synthesis temperatures: 700, 750, and 800?C and the effect of temperature synthesized on (a) structural (b) morphological, and (c) band gap energy were studied. These studies used X-ray diffraction data (diffractogram), scanning electron microscope (SEM) and diffuse reflectance ultraviolet-visible spectroscopy. The diffractograms showed that the target compound was successfully obtained at all temperature synthesis. The crystallographic data indicated that temperature synthesis determined the lattice parameter values. However, there are no clear trend changes that is possibly due to changes in the valence of the V atom. The synthesis temperature also causes increasing the crystallite size but does not affect the crystallinity samples. SEM images showed that all samples had plate-like/sheets morphology and the particle size became larger at higher temperature. It indicated that the particle growth rate was faster than nucleation rate. Meanwhile, the result of Kubelka-Munk calculation showed that all samples had relatively same band gap energy value (Eg(1) was ~ 2.90, and Eg(2) was ~1.85 eV.
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.
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 Anwari, Nelly Safitri Aprillianto, Yesaya Ardina Purnama Tirta Asep Najmurrokhman Atiek Rostika Noviyanti 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 Ekawandi, Fanny Rahman Eki Al Ghifari Fahmi Sulistyohadi Fanny Rahman Ekawandi Fikri Haikal Gilang Adi Nugraha Gustaman Syarif, Dani Halim, Riyan Hemzah, Sabila Aulia Herawati Herawati Herman Herman Himmah, Suci Noerfaiqotul Husein Hernadi Bahti Ika Monika Ika Monika Imas Masriah Inda Mapiliandari 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 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 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 Yesaya Aprillianto Yuliana, Trisna Yuliana, Trisna Yusuf Eka Maulana ZEILY NURACHMAN Zeily Nurachman