This study assessed the seasonal variation in the chemical properties of borehole water from twelve sampled locations in Enugu North Local Government Area over a six-month period covering the wet season (June–August 2023) and the dry season (November 2023–January 2024). The analy...
Open access
Research Article10.9734/irjpac/2026/v27i1980
In this work, a solid-phase acid catalyst was prepared from a natural Cameroonian smectite and sulfuric acid. The natural clay was treated by refluxing it in sulfuric acid for 4 hours at 80°C under constant stirring. The catalyst obtained after washing and drying was used for the...
Open access
Research Article10.9734/irjpac/2026/v27i1979
In an effort to promote the valorization of organic waste, Detarium microcarpum—an important fruit species in southern Chad whose use is generally limited to food consumption and traditional medicinal applications owing to its therapeutic properties—was employed as a precursor fo...
Open access
Research Article10.9734/irjpac/2026/v27i1976
Access to quality drinking water is a major public health issue, particularly in urban and peri-urban areas of developing countries. Its use for food or hygiene purposes requires excellent physicochemical and microbiological quality. Thus, to assess the quality of well water in...
Open access
Research Article10.9734/irjpac/2026/v27i1977
Rapid industrialization has led to the creation of large amounts of wastewater containing various pollutants, among which heavy metals stand out. Heavy metals such as Cd (II) ions cause serious chronic diseases and even death if they are present in high concentrations. Therefore,...
Open access
Research Article10.9734/irjpac/2026/v27i1978
This study aimed to evaluate the concentration, vertical distribution, sources, and potential human health risks of polycyclic aromatic hydrocarbons (PAHs) in soils from informal automobile repair workshops across different geological settings in Cameroon, Central Africa. A cross...
Open access
Research Article10.9734/irjpac/2026/v27i1975
A novel series of 2-(1,3-benzothiazol-2-ylcarbamoyl)-benzoic acid was synthesized by a one-pot reaction of 2-aminobenzothiazole with phthalic anhydride, using ionic liquid {1-butyl-3-methylimidazolium bisulfate, ([BMIM]+[HSO4]-)} as a green alternative to volatile organic solvent...
Open access
Research Article10.9734/irjpac/2026/v27i1974
Salt-rich wastewater has a variety of adverse effects on the ecological environment but very difficult to treat than other industrial wastewater. The aim of this work is to monitor the growth performance of cocoyam plant, tropical spiderwort and water mint under salty conditions,...
Open access
Research Article10.9734/irjpac/2026/v27i1972
Diatomite, a microporous siliceous rock, is mainly used in northern Chad for housing construction due to its abundance and thermal insulation properties. However, the potential for industrial valorization of this noble material is underexploited due to a lack of complete physicoc...
Open access
Research Article10.9734/irjpac/2026/v27i1973
This study assessed the physical water quality parameters of borehole water in Enugu State and examined the influence of seasonal variation on these parameters. Enugu State is characterized by two seasons: the wet season, which covers April to October, and the dry season, coverin...
Open access
Research Article10.9734/irjpac/2026/v27i1971
Our study focused on analysing 135 pineapple samples, meticulously collected in the departments of Adiaké and Grand-Bassam during two field campaigns between January-February 2024 (dry season) and June-August 2025 (rainy season). The aim is to inform consumers of pineapple fruit...
Open access
Research Article10.9734/irjpac/2025/v26i6960
The interfacial tensions of alkanes in the presence of CH4 and CO2 were predicted using the model taken as a combination of Density Gradient theory and Peng-Robinson equation of state and compared with existing simulation data. The main aim of this work was to make a progress in...
Open access
Research Article10.9734/irjpac/2026/v27i1970
This study assessed the physicochemical and agronomic quality of three composts (C1, C2, C3) produced from compostable food waste, with the aim of promoting them as organic soil amendments. Analysis of the end products made it possible to characterise their maturity degree, nutri...
Open access
Research Article10.9734/irjpac/2025/v26i6969
A novel Bis (salicylaldiminato)Cl2Fe(III) complex was synthesized by reacting N-salicylideneaniline Schiff base and FeCl3.6H2O in methanolic solution. The complex was characterized by FT-IR, UV-Vis spectroscopy, DSC study and Mass spectrometry. The crystal structure was solved by...
Open access
Research Article10.9734/irjpac/2025/v26i6968
Lake Nokoué, the largest source of fish products in southern Benin, is unfortunately threatened by advanced chemical pollution. The objective of this study is to assess the level of contamination of the lake's water-sediment matrix by trace metals, agricultural pesticides, hydroc...
Open access
Research Article10.9734/irjpac/2025/v26i6967