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Mohammed, Baraa Kasim
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Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Medicine & Pharmacology Physics Social Sciences Other

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Hybrid Composite of Inorganic Oxide (TiO2:WO3) for Remove Methyl Blue and Methyl Orange by Adsorption/Photo degradation Reaction Mohammed, Baraa Kasim
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13959

Abstract

General Background: Semiconductor inorganic oxides such as titanium dioxide and tungsten trioxide are widely used in environmental remediation due to their stability and photocatalytic properties for pollutant removal. Specific Background: Binary TiO₂:WO₃ composites provide synergistic semiconductor behavior supporting adsorption and ultraviolet-assisted photodegradation of dye pollutants in aqueous media. Knowledge Gap: However, comparative removal performance toward methyl orange and methylene blue using combined adsorption and photocatalytic processes remains insufficiently clarified. Aims: This study prepared a TiO₂:WO₃ composite using TiOSO₄ precipitation with hydrogen peroxide and evaluated its activity toward removal of methyl orange and methylene blue. Results: X-ray diffraction and Raman spectroscopy confirmed anatase, rutile, and WO₃ phases, while removal performance exceeded 80 percent for methyl orange and showed lower activity for methylene blue under combined processes. Novelty: The study demonstrates synergistic binary oxide activity supported by structural characterization and comparative dye removal behavior. Implications: The results support TiO₂:WO₃ composites as suitable materials for adsorption and photocatalytic dye removal applications in aqueous treatment systems. Highlights: • TiO₂ WO₃ Hybrid Structure Confirmed by XRD and Raman Characterization• Binary Oxide System Shows Higher Removal Performance for Methyl Orange Than Methylene Blue• Combined Adsorption and Ultraviolet-Assisted Reaction Achieves Removal Above 80 Percent Keywords: Titanium Dioxide, Tungsten Trioxide, Binary Oxide Composite, Photodegradation, Dye Removal.
Review on Forensic Chemistry: Importance in Identify-ing Unidentified Bodies and Mass Graves and Missing Persons: Perancangan Model Pengembangan Pariwisata Perkotaan yang Berkelanjutan untuk Karbala didasarkan pada Aspek Sosial, Budaya, dan Keagamaan Kota Karbala Al-Banaa, Marwah A. Kadhim; Mohammed, Baraa Kasim
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13997

Abstract

General Background: Forensic chemistry plays a crucial role in criminal investigations by analyzing non-biological evidence and supporting identification processes. Specific Background: In cases involving mass graves and missing persons, forensic chemistry works alongside forensic anthropology to identify skeletal remains and reconstruct events. Knowledge Gap: Despite growing attention, there is limited integrated understanding of how forensic chemistry techniques support identification in complex mass grave contexts. Aims: This study reviews the role of forensic chemistry in identifying unknown bodies and analyzing mass grave evidence. Results: The findings highlight that forensic investigations rely on evidence collection, skeletal analysis, age estimation methods, and advanced imaging technologies to support identification processes. Novelty: The study integrates forensic chemistry principles with anthropological and technological approaches in the context of mass grave investigations. Implications: The results emphasize the importance of multidisciplinary approaches and technological advancements to support accurate identification and provide answers for affected families. Keywords: Forensic Chemistry, Mass Graves, Skeletal Identification, Forensic Anthropology, Crime Scene Analysis Key Findings Highlights Evidence collection procedures form the basis of identification processes Advanced imaging supports detailed skeletal examination Multidisciplinary collaboration strengthens investigative outcomes
Co-Authors Al-Banaa, Marwah A. Kadhim