Biomass-derived activated carbon offers several advantages over traditional sources, including low cost, renewability, and reduced environmental footprint. A wide range of agricultural residues such as rice husk, coconut shells, corn cobs, and palm kernel shells have been success...
Open access
Research Article10.9734/ajacr/2026/v17i2393
Nanoactivated carbons from Ribes nigrum (black currant) stem were prepared using two-step procedure with excellent yield and were characterized using different spectroscopic techniques. The FTIR spectroscopy revealed O-H, C=C, C=N, and C-O stretching. XRD analysis revealed the pa...
Open access
Research Article10.9734/ajocs/2024/v14i2300
Background: Contamination of vegetables with heavy metals is a health concern. Therefore, monitoring levels of heavy metals in vegetables can provide useful information for promoting food safety. The level of heavy metals (Cd, Cu, Pb and Zn in mg/kg) in vegetable samples from dif...
Open access
Research Article10.9734/irjpac/2020/v21i530165
This study was aimed at using Balanite aegyptiaca seed coats activated carbon (BAAC) as a potential adsorbent to remove safranin dye from aqueous solution. BAAC was prepared from Balanite aegyptiaca seed coats using a one-step procedure with 67.27% yield, 3.23% ash content, 695 m...
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Research Article10.9734/ajopacs/2020/v8i130109
The levels of heavy metals (Mn, Ni, Pb, Cr, Zn and Fe in mg/kg) in roadside soils from two main motor parks (Gombe Terminus and Tashan Dukku) in Gombe, Nigeria were assessed with respect to distance from the motor parks. The metals concentrations were determined by atomic absorpt...
Open access
Research Article10.9734/ajacr/2019/v4i430118
Soursop plant (Annona muricata L.), is widely used for both industrial and medicinal applications. In view of this, the present study aims at extraction and characterization of soursop leaf wax using gas chromatography-mass spectrometry (GC-MS). The results of the GC-MS analysis...
Open access
Research Article10.9734/acri/2020/v20i430186
Complexes of Co and Cu with SMZ were successfully synthesized (1:2 molar ratio) in good yield and characterized by using UV-vis, FTIR, melting point/decomposition temperature, electrical conductivity and solubility in different solvents of varying polarity and proticity. All the...
Open access
Research Article10.9734/ajarr/2020/v10i430251
The complexes of Co and Cu with sulfamethoxazole (SMZ) were synthesized in the 1:2 molar ratios. The physical characterization of the ligand and the complexes showed different colours with a good % yield and high melting point/decomposition temperature. The solubility test of the...
Open access
Research Article10.9734/ajopacs/2020/v8i230111
Schiff base was prepared by the condensation of 3-aminophenol and benzaldehyde in a 1:1 ratio and its complexes of Mn(II), Co(II) and Cu(II) were synthesized in a 1:2 ratio (Metal: Ligand) and the Schiff base and the complexes were characterized by using the different techniques....
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Research Article10.9734/ajocs/2020/v7i219019
Mohammed Shehu, Usman Abdullahi Muhammad, Buhari Magaji, Jamilu Usman, Madaki Muhammad Bala, Habiba Bala Muhammad & Idirisu Jibril Limangba·Asian Journal of Education and Social Studies·2026
Students’ achievement in chemistry reflects the extent to which instructional objectives are attained and is often used as a measure of teaching effectiveness. However, evidence from recent studies shows that students’ performance in chemistry continues to be unsatisfactory, espe...
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Research Article10.9734/ajess/2026/v52i42967
New Schiff base ligand was synthesis via a condensation of the ligands in methanol. The Schiff base were synthesized in 1:2 molar ratio reactions. The complexes [Mn(HL1)2Cl, Cu(HL1)2 and Ni(HL1)2Cl] have been characterized on the basis of FTIR, electronic spectra, melting points/...
Auwalu Uba, Misbahu Muhammad Ladan, Usman Abubakar Adamu, Buhari Magaji, Muhammad Nazifi Ibrahim & Mukhtar Muhammad Sani·Advances in Research·2020
The complexes of Co (II), Mn (II) and Ni (II) with Schiff base derived from pentane-2, 4-dione and 2-aminobenzoic acid were synthesized and characterized by molar conductivity, magnetic susceptibility, Infrared and elemental analyses. The solubility test on the Schiff base and it...
Open access
Research Article10.9734/air/2020/v21i530204
Aim: The present study was aimed to determine the concentration of heavy metals (Pb, Cr, Mn, Cu and Cd) in waterleaf (Talinum triangulare), lettuce (Lectuca sativa) and spinach (Amaranthus hybridus) from three farmlands. Study Design and Place of Study: The research was carried o...
Open access
Research Article10.9734/ajocs/2020/v7i219016