Vol. 37 No. 3 (2023) | Bulletin of the Chemical Society of Ethiopia

Published: 2023-03-06

Major and heavy metals contents and health risk assessment of pumpkin peel, flesh and seed by microwave plasma-atomic emission spectroscopy

Abeb Yetesha, Bhagwan Singh Chandravanshi, Weldegebriel Yohannes

533-551

DOI:

10.4314/bcse.v37i3.1

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Physicochemical properties and microbial load evaluation of raw cow milks of Jimma Town, Ethiopia

Tesfaye Tadesse, Abera Gure , Kassim Kedir

553-563

DOI:

10.4314/bcse.v37i3.2

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Determination of fatty acids composition by GC-MS and physicochemical parameters of pumpkin (Cucurbita maxima) seed oil cultivated in Ethiopia

Mulu Hagos, Estifanos Ele Yaya, Bhagwan Singh Chandravanshi , Mesfin Redi-Abshiro

565-577

DOI:

10.4314/bcse.v37i3.3

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Development of an efficient dispersive liquid-liquid microextraction approach combined with spectrophotometry for determination of antiviral drug, valacyclovir HCl in pharmaceutical formulations

Amal H. Al-Bagawi, Samya Sh. Alenezi, Ragaa El Sheikh, Ghada Abdel Fattah, Ayman A. Gouda

579-592

DOI:

10.4314/bcse.v37i3.4

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Adsorption of diazo dye direct red-28 and tetra-azo dye direct black-22 using calcined kaolin in aqueous solutions

Serap Findik

593-610

DOI:

10.4314/bcse.v37i3.5

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Zeolite-x encapsulated Ni(II) and Co(II) complexes with 2,6-pyridine dicarboxylic acid as catalysts for oxidative degradation of atenolol in an aqueous solution

Fatemeh Hassani, Mahboubeh A. Sharif, Masoumeh Tabatabaee , Mahboobeh Mahmoodi

611-622

DOI:

10.4314/bcse.v37i3.6

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New tetrapropylammonium tetrabromozincate complex [(C3H7)4N]2ZnBr4(II) - synthesis, spectral, thermal characterization and antioxidant activity

Banupriya Kanagarajan, Sheikdawood Parveen, Rathinam Ramasamy , Umarani Ramasamy

623-631

DOI:

10.4314/bcse.v37i3.7

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Zinc(II) complex of (Z)-4-((4-nitrophenyl)amino)pent-3-en-2-one, a potential antimicrobial agent: synthesis, characterization, antimicrobial screening, DFT calculation and docking study

I. Waziri, O. O. Wahab, G. A. Mala, S. O. Oselusi, S. A. Egieyeh , H. Nasir

633-651

DOI:

10.4314/bcse.v37i3.8

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Structure and properties of strontium phosphate glasses modified with aluminum oxide applied as glass ionomer cement

G. El-Damrawi, D. Shosha, A. M. Abdelghany , M. I. Abdelghany

653-662

DOI:

10.4314/bcse.v37i3.9

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A simple and low-cost new procedure for synthesis of nickel(II) and cadmium(II) sulfides in situ thiourea metal–chelation precursor

Moamen S. Refat, Mohamed Y. El-Sayed, Ibrahim H. Alsohaimi, Hassan M. Hassan, Thamer S. Alraddadid, Sultan Akhtar

663-674

DOI:

10.4314/bcse.v37i3.10

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Synthesis, characterization and DFT studies of Schiff bases of p-methoxysalicylaldehyde

Temitope E. Olalekan, Eric O. Akintemi, Bernardus Van Brecht , Gareth M. Watkins

675-688

DOI:

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Preparation and characterization of vernolic acid methyl ester functionalized ordered mesoporous materials

Yonas Chebude, Gutta Gonfa , Isabel Díaz

689-702

DOI:

10.4314/bcse.v37i3.12

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Chemical composition and antibacterial activity of essential oils from selected species of the genus Cucumis in Ethiopia

Teshale Assefa, Hailemichaele Tesso, Eticha Abdisa, Leta Guta , Yadessa Melaku

703-715

DOI:

10.4314/bcse.v37i3.13

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Multi-component reactions for the synthesis of pyrazolo [1,5-a]quinoline derivatives together with their cytotoxic evaluations

Rafat M. Mohareb, Maher H.E. Helal, Amany E. Mayhoub , Amira E.M. Abdallah

717-734

DOI:

10.4314/bcse.v37i3.14

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Zinc leaching from smithsonite ore in lactic acid solution: Studies on parametric optimization, kinetic and mechanism

Sıla Sadiye Ilhan, Fatih Demir, Omer Lacin , Fatih Sevim

735-744

DOI:

10.4314/bcse.v37i3.15

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p-Anisidine release study by hydrolysis of Schiff bases in homogeneous media

Awatif Amaria Moulay, Kheira Diaf, Zineb Elbahri, Abderrezzak Mesli, Nafa Chafi , Néji Besbes

745-755

DOI:

10.4314/bcse.v37i3.16

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Structural analysis of Val-Trp dipeptide: Molecular mechanics and DFT calculations

Sara Gambar Rahimzade , Gulnara Ahmad Akverdieva

757-770

DOI:

10.4314/bcse.v37i3.17

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Inorganic tin(IV) complexes as photo-stabilizer for PVC

Raghad Haddad, Semaa Khadum, Muataz Ali, Alabbas Majeed, Amani Husain, Muna Bufaroosha, Dina Ahmed , Emad Yousif

771-777

DOI:

10.4314/bcse.v37i3.18

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Investigation of the effect of some polar organic solvents on the leaching and dissolution kinetics of chalcopyrite in hydrogen peroxide and sulfuric acid solution

Mohamed Taha Osman Abdelraheem , Tevfik Agacayak

779-788

DOI:

10.4314/bcse.v37i3.19

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Parameters for the conductometric association for lump and nano CoSO4.7H2O in the presence and absence of fuchsin acid in water at different temperature

Mohamed Fathi, Esam A. Gomaa, Shereen E. Salem, Hamada M. Killa, Ayman A. Gouda, Abdel Hamid Farouk

789-804

DOI:

10.4314/bcse.v37i3.20

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