Vol. 17 No. 1 (2025)

Articles

• Adsorptive Removal of Crystal Violet from Aqueous Solution Using Banana Pseudo Stem Biochar: Batch Adsorption Study

  Karteyaini Baskaran, Noor Halini Baharim

  1-10

  • Abstract View  334
  • PDF 360

• An Improved Extended 2-Point Super Class of Block Backward Differentiation Formula for Solving Stiff Initial Value Problems

  Adamu Abdulrahman, Musa Hamisu

  11-22

  • Abstract View  205
  • PDF 242

• Assessing Water Quality in the Kelantan River Basin Using WQI: Suspended Solids and Ecosystem Health

  Azhar Mohd Zain, Mohd Shukri Abdul Hamid

  23-32

  • Abstract View  358
  • PDF 505

• Characterization of The Properties of South Lampung Clay as Lightweight Expanded Clay Aggregate

  Anang Ansyori, Adi Prasetyo , Tumpal Ojahan Rajagukguk, Beny Hartawan, Yusup Hendronursito

  33-40

  • Abstract View  187
  • PDF 192

• Chemical Fingerprinting of Various Tea and Coffee Types Using SEM, UV-Visible and FTIR Spectroscopy

  Ainur Awanis Mohd Badiazaman, Mohammad Hafizudden Mohd Zaki, Siti Maryam Mazlan, Nik Nur Airyn Natasha Amran, Amira Yasmin Mohd Nor Hisyam, Nur Amirah Faeqah Mohd Fadli, Nurul Huda Afrina Mohamad Shafizan, Nor Alian Ruzlan

  41-50

  • Abstract View  356
  • PDF 421

• Cold Extraction of Phyllanthus Niruri, Chromolaena Oodorata, Melastoma Malabathricum & Azadirachta Indica Via High-Pressure Processing (HPP): Evaluation of Physiochemical Properties and Antioxidant Activity

  Nurul Fatihah Ibrahim, Faiz Razali, Hariz Haikal Nasuha, Angzzas Sari Mohd Kassim, Sity Aishah Mansur, Aliff Hisham A Razak, Noor Akhmazillah Mohd Fauzi

  51-60

  • Abstract View  175
  • PDF 217

• Conversion of Jatropha Curcas Oil to Biodiesel in One-Step Transesterification Using Cowbone Derived CaO/Al₂O₃ with Fe₂(SO₄)₃ Catalyst

  Nelson Evangnum Jack , Suleiman Yunusa, Abdulkareem Abubakar, Haruna Ibrahim

  61-70

  • Abstract View  205
  • PDF 189

• I-V Characteristics of GaAs/AlAs Asymmetric Spacer Layer Tunnel Diode (ASPAT) Using Statistical Validation

  E. Jamil, N. A. AzizulRahman, M. Othman, S. A. Rahman, W. Z. Wan Ismail, K. N. Z. Ariffin

  71-84

  • Abstract View  165
  • PDF 183

• Microstructure and Mechanical Characteristics of Welded AISI 1020 Low Carbon Steel Based on the Influence of Weld Joint Design and Shielded Metal Arc Welding Process

  Samuel Olumide Falana, Isiaka Oladele, Ayodele Olawumi Adedeke, Collins Chidiebere Okoye, Peace Pamilerin Adara, Aladesuyi Kole Aladenika

  85-93

  • Abstract View  309
  • PDF 362

• Modelling and Forecasting of Crude Oil Price Return Volatility from 2006-2023: An Application of the Garch Models

  Samuel Olorunfemi Adams, Praise Ifeanyichukwu Olives

  94-107

  • Abstract View  219
  • PDF 215

• Morphology and Physiochemical Characterization of Perfluorosulfonic Acid (PFSA) Membrane for Electrochemical Application

  Mohd Hafiz Md Ali, Mohammad Noor Jalil, Mohamad Nor Amirul Azhar Kamis, Hamizah Mohd Zaki

  108-120

  • Abstract View  207
  • PDF 205

• Stability Evaluation of Zinc Oxide Nanofluids Using Mangifera Odorata Extracted Peels and Leaves

  Dilaeleyana Abu Bakar Sidik; Nur Hanis Hayati Hairom; Muhammad Zarif Daniel, Muhammad Faez, Muhammad Sufyan Naim, Amy Farhana Afiqah Azemi, Nuraina Syafiqah Md Rosdi, Nur Atiqah Syuhada Azuan

  121-129

  • Abstract View  162
  • PDF 211

• Sustainable Paper Production Using Treated Pineapple Leaf Fiber and Wastepaper Composites

  Nur Syabila Husna Mohd Bakti, Liew Cheng Yeu, Wong Qi Hui, Adibah Rahmat, Nur Farhana Binti Mohd Hashim, Tuan Sharatul Adawiah Tuan Zakri, Mohammad Arif Budiman Pauzan, Zalilah Murni Mat Ali @ Yunus, Saliza Asman

  130-142

  • Abstract View  934
  • PDF 741

• Water Quality and Plankton Assemblages in Eniong Creek: Implications for Biodiversity and Anthropogenic Influence

  Imaobong E. Ekpo, Udeme E. Jonah, Emeka D. Anyanwu

  143-155

  • Abstract View  180
  • PDF 196