International Research Journal of Pure and Applied Chemistry

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2026 - Volume 27 [Issue 5]

Original Research Article

A New Zinc(II) Thiocyanate Complex of a Pyridine-4-carbohydrazide Schiff Base: Crystal Structure and Redox Properties of a Related Copper(II) Complex

Ousmane Sall, Moussa Faye, Alassane Saïdou Diallo, Abdoul Sall, Farba Bouyagui Tamboura, Ibrahima Elhadj Thiam, Moussa Dieng, Mohamed Gaye

DOI: 10.9734/irjpac/2026/v27i51021

Page: 1-11

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Extraction and Characterization of Chitosan from Crab and Periwinkle Shells

Chioma K. Anyiam, Jovita A. Daniel

DOI: 10.9734/irjpac/2026/v27i51022

Page: 12-18

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Physicochemical Characteristics and Selected Metal Concentrations in Sachet, Bottled, and Freshly Blended Fruit Juices at the Kenya-Uganda Border

Denis Magero, Kevin Omondi Ondoo, Victor Meng’wa

DOI: 10.9734/irjpac/2026/v27i51023

Page: 19-29

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Deep Purification of Wet-process Phosphoric Acid Using Acetone as a Green Organic Solvent

B. N. Karshiev, M. B. Khushvaktov, A. R. Seytnazarov, S. Namazov Sh., D. M. Axmedova

DOI: 10.9734/irjpac/2026/v27i51024

Page: 30-41

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Evaluation of 2,5,7-Triphenyl-1,2,4-triazolo[1,5-a] pyrimidine as an Efficient Corrosion Inhibitor for Stainless Steel in 1.0 M Hydrochloric Acid

Madhuram Ayush, Shilpa

DOI: 10.9734/irjpac/2026/v27i51025

Page: 42-57

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Production and Physicochemical Characterization of Polyethylene Pyrolysis Oil from Sachet Water LDPE Waste

Uhiene Titus, Sunday A. Osemeahon, Amina Aminu, Blessed Dimas, Daniel Wasinda Malgwi

DOI: 10.9734/irjpac/2026/v27i51026

Page: 58-67

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Design, Synthesis and Antibacterial Evaluation of 3-oxo-2-[2-(1-phenylethylidene)hydrazinyl]-3,4-dihydroquinoxaline-6-sulfonyl Azide Derivatives

Festus O. Taiwo, Oluwatayo E. Abioye, Olajide B. Omoyeni, David A. Akinpelu, Craig A. Obafemi

DOI: 10.9734/irjpac/2026/v27i51027

Page: 68-76

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Design, Synthesis and Antibacterial Potency of 3-(2-(Benzylidenehydrazinyl)-1-Phenylquinoxalin-2(1H)-one Derivatives

Festus O. Taiwo, Oluwatayo E. Abioye, Olajide B. Omoyeni, David A. Akinpelu, Craig A. Obafemi

DOI: 10.9734/irjpac/2026/v27i51028

Page: 77-85

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Investigation of the Efficiency of Peanut Shells as a Biosorbent for the Removal of Ni (II) Ions from the Galvanic Wastewater in Accordance with Circular Economy Principles

Melisa Ahmetović, Maida Fajić, Indira Šestan, Halid Junuzović, Amra Odobašić, Husejin Keran, Šejla Mešanović, Selma Hasanović

DOI: 10.9734/irjpac/2026/v27i51029

Page: 86-93

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Design of New Alkylphenols with Theoretical Values of their Water/ Octanol Partition Coefficients

Fatogoma Diarrassouba, Cheickna Cissé, Kafoumba Bamba, Nahossé Ziao

DOI: 10.9734/irjpac/2026/v27i51030

Page: 94-118

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Fruit Waste Extract-Modified Zeolite as a Sustainable Sorbent for Cu (II) Removal from Aqueous Solutions

Šejla Mešanović, Selma Hasanović , Halid Junuzović, Melisa Ahmetović, Amra Odobašić, Sabina Begić, Indira Šestan, Husejin Keran

DOI: 10.9734/irjpac/2026/v27i51031

Page: 119-125

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Molecular Design and DFT/TD-DFT Investigation of N3 Derived Ruthenium(II) Azopyridine Complexes for Dye-sensitized Solar Cells

N’guessan Kouakou Nobel, Blehoue Clémence Ingrid, Dembele Georges Stéphane, Koudjina Simplice, Ouattara Wawohinlin Patrice, Kone Mamadou Guy-Richard, Bamba Kafoumba, Ziao Nahossé

DOI: 10.9734/irjpac/2026/v27i51032

Page: 126-140

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Integrated Elemental and Mineralogical Characterization of Petroleum System Sediments in the Central Niger Delta Basin

Issa A. Abdulazeez, Ibanga O. Isaac, Itohowo O. Akpan, Anietie E. Ekot, Ekpedeme R. Asuaiko

DOI: 10.9734/irjpac/2026/v27i51033

Page: 141-154

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