Cobalt Distribution in Ultramafic Laterite Profiles: Integration of Morphology, Drilling Data, and Geochemistry, in North Konawe Regency
International Journal of Acta Material Vol. 2 No. 1 2025 DOI 10.62749/ijactmat.v2i1.22
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Optimisation of Asphalt Extraction from Asbuton Using Microwave-Assisted Extraction (MAE) Method
Hikmayani, I. W. Sutapa, . Sahidin, L. O. Ahmad
International Journal of Acta Material Vol. 2 No. 1 2025 DOI 10.62749/ijactmat.v2i1.19
Application of Rice Husk Silica Ash Activated using NH4OH to Reduce Calcium Ion (Ca2+) Levels in Brackish Water
L. Harimu, Mutmainnah, Dahlan, W.O. Mulyana, E. C. Mandasar, I. W. Sutapa, A. Kamari
International Journal of Acta Material Vol. 2 No. 1 2025 DOI 10.62749/ijactmat.v2i1.21
Development of Eco-friendly Antimicrobial Bricks Using Nickel Slag Waste Enriched with TiO2 to Counteract E. coli Contamination
L. Agusu, W. O. Nurtia, M. Z. Muzakkar, I. W. Sutapa, Y. Ishikawa, Y. Fujii, T. Asano, S. Mitsudo, Y. Tatematsu
International Journal of Acta Material Vol. 2 No. 1 2025 DOI 10.62749/ijactmat.v2i1.20
Fabrication and Characterisation of Semi-Solid DSSCs Using Reduced Graphene Oxide (rGO) from Coal as a Filler in Polymer Gel Electrolytes
W. O. Sukmawati, L. Ardan, I. Saleh, L. Agusu, I. N. Sudiana, I. Usman
International Journal of Acta Material Vol. 2 No. 1 2025 DOI 10.62749/ijactmat.v2i1.16
Adsorption of Remazol Black B Using Magnetic-Silicane-Graphene Oxide (MM-SiO2/GO) Composite
Fahmiati, Armid, L.O.A. Usman, D. Ismail, L. A. Kadir
International Journal of Acta Material Vol. 2 No. 1 2025 DOI 10.62749/ijactmat.v2i1.23
The Latest Green Synthesis of Silver Nanoparticles Using Cocoa Fruit Peel Extract (Theobroma cacao L.) as a Bioreductant
S. Kasim, W. Riskiyani, A.N. Zahra, I. W. Sutapa, A. Kamari, C. Baskar
International Journal of Acta Material Vol. 2 No. 1 2025 DOI 10.62749/ijactmat.v2i1.17
Analysis of Water Quality in Sea Waters After The Sea Snot Occurrence in Bima Bay West Nusa Tenggara
S. Kasim, N. A. Pratiwi, H. Natsir, S. Liong, I. W. Sutapa
International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.12
Effect of Ni Content Variation on the Synthesis of Nickel-Mobile Crystalline Material-41 (Ni-MCM-41) for Methylene Blue Adsorption
L. O. Ahmad, H. Hidayat, A. Zaeni, F. Muhamad
International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.13
Mesoporous Silica (MCM-48) as an Adsorbent for Methylene Blue Dye
P. Taba, Nariskawati, A. H. Kasim, I. W. Sutapa
International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.14
Transesterification Reaction on Biodiesel Production from Bintaro Oil (Cerbera mangas L.) from Moluccas Island
I. W. Sutapa, A. Bandjar, H. Tehubijuluw, I. S. Ely, A. Kamari, C. Baskar, I. N. Sudiana, L. O. Kadidae
International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.15
Green Synthesis of ZnO Nanoparticles from Henna Leaves (Lawsonia inermis L.) and their Characterization as Photosensitizer in Dye-sensitized Solar Cells
W. S. Arsyad, F. S. Palobang, L. Agusu, L. O. Rusman, I. Saleh, I. N. Sudiana
International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.11
Microwave-Assisted Roasting-Leaching of Nickel from Indonesian Nickel Laterite Ore
A. J. Muhammad, K. Nakagawa, I P. A. Karya, A. Ndita, L. O. M. Darusman, T. Iwamoto, Y. Terui, L. Agusu, I. N. Sudiana, F. Nishimura, T. Nishiumi, T. Asano, H. Kikuchi, S. Mitsudo
International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.10
Effect of Activation Time on the Quality of Microwave-Activated Sago Trunk Charcoal Briquettes (Metroxylon Sagu Rottb)
L. Lestari, I. N. Sudiana, S. Raharjo, L. O. M. Salam, I. W. Sutapa
International Journal of Acta Material Vol. 1 No. 1 2024 DOI 10.62749/ijactmat.v1i1.9
Effect of Adding Hydrochloric Acid to Alumina Oxide (LAO) Clay on Adsorption Capacity of Pb and Cd Metal Ions
C.M. Bijang, T. Azis, T. Timisela, Nohong, A. T. Nurwahida
International Journal of Acta Material Vol. 1 No. 1 2024 DOI 10.62749/ijactmat.v1i1.8
Ultrasensitive Technique for Deep Study in Nonlinear Optical Nanostructures: Z-scan Imaging Technique with Interference Pattern Indicator in Real Time
H. I. Elim
International Journal of Acta Material Vol. 1 No. 1 2024 DOI 10.62749/ijactmat.v1i1.7
Effect of pH and Stirring Speed on the γ-Fe2O3 Material Properties Synthesized from Iron Sand by Using Co-Precipitation Method
L. Agusu, Amiruddin -, M. Nalis, S. Misudo, Y. Fujii, Y. Ishikawa, Alimin
International Journal of Acta Material Vol. 1 No. 1 2024 DOI 10.62749/ijactmat.v1i1.6
The Effect of Doping Concentration in the Work Electrodes of Graphene-MnxOy and Test on Glucose by Cyclic Voltametry
L. Agusu, T. Azis, Imran ., Fitrianti, A. T. Nurwahida, S. Misudo, Alimin
International Journal of Acta Material Vol. 1 No. 1 2024 DOI 10.62749/ijactmat.v1i1.5
The Effect of Unit Number Composition (x = 1.5; 1.6; 1.7; 1.8; 1.9; 2.0; 2.1, and 2.2) of Natrium Super Ionic Conductor (NASICON) as Solid Electrolyte on Ion-Sodium Batteries
M Jahiding, I. N. Sudiana, W. S. Arsyad, L. Rusman, - Fitriani, W. D. Triandari, M. A. Mahfud, Y. Milen, J. Wulandari, A. M. R. Akqadri
International Journal of Acta Material Vol. 1 No. 1 2024 DOI 10.62749/ijactmat.v1i1.4
Extraction of Tannin Compounds from Samanea saman (Jacq.) Merr Leaves and Their Application as Corrosion Inhibitor in ST 37 Steel
S. Kasim, S. Fauziah, R. Ananda, I. W. Sutapa, A. Kamari
International Journal of Acta Material Vol. 1 No. 1 2024 DOI 10.62749/ijactmat.v1i1.3