Lignin, an amorphous biopolymer is one of the major components of wood. In this study, lignin was extracted from Gmelina arborea wood using Soda and Kraft pulping processes. The lignin was characterized using Fourier Transformed Infrared Spectrometer (FTIR), UV/visible spectromet...
Open access
Research Article10.9734/irjpac/2023/v24i4816
In this research, the antioxidant activity and its correlation with the polyphenolic content in pumpkin leaf extracts (Cucurbita pepo L.) were examined. Dried and pulverized pumpkin leaves were used as extraction material. Various solvents (water, methanol, ethanol, acetone) and...
Open access
Research Article10.9734/irjpac/2023/v24i4815
The effects of varying concentration of Acrylamide copolymer (an effective fluid loss control additive) and temperature on fluid loss in oil well cementing was studied. The fluid loss of neat cement (Dyckerhoff Class G), fluid loss property of cement slurry with varying concentra...
Open access
Research Article10.9734/irjpac/2023/v24i3814
Aims: The general objective of this study was to evaluate heavy metals [Molybdenum (Mo), Cobalt (Co), Cadmium (Cd), Nickel (Ni), Antimony (Sb), Bismuth (Bi)] in the sediments of the Mfouati River near the area impacted by the mining operation. Study Design: The sediments were col...
Open access
Research Article10.9734/irjpac/2023/v24i3813
Aim: The aim of this study is to generate and investigate oral bioaccessibility based on the health risk of polycyclic aromatic hydrocarbon (PAHs) in fly ash from waste tyres and petroleum products in Rivers State, Nigeria. Study Design: Crude oil, crude oil asphalt, artisanal di...
Open access
Research Article10.9734/irjpac/2023/v24i3812
Environmental pollutions, energy problems and other uncertainties associated with the use of fossil fuel are some reasons which constitute the quest for eco-compatible fuel substitutes. Vegetable oils (VOs) are known raw materials that will remedy the situation. Palm oil (PO) and...
Open access
Research Article10.9734/irjpac/2023/v24i3811
This article describes a method for the synthesis of vinyl esters from fruit acids: malic, tartaric, citric and acetylene, as well as the results of a spectrophotometric analysis of the obtained compounds. Process conditions, product yields, and physicochemical properties of the...
Open access
Research Article10.9734/irjpac/2023/v24i3810
Fe(III) complex of the hydrazone from (E)-N'-(thiophen-2-ylmethylene)isonicotinohydrazide (HL) has been synthesized and characterized by elemental analysis, electrical conductance in non-aqueous solvents, FT-IR and electronic spectroscopies, room temperature magnetic measurement...
Open access
Research Article10.9734/irjpac/2023/v24i2809
Aim: The aim of the study is to investigate the levels and risks associated with heavy metals in the soil samples collected during the dry and wet seasons around metal scrap recycling areas in Ogijo, Ogun State. Study Design: The soil samples were collected randomly within the in...
Open access
Research Article10.9734/irjpac/2023/v24i2808
Silk is utilized as most valuable fibers based on the unique properties like shiny sheen, remarkable comfort performance and bio considerations. Silk materials possess high applications as a natural substrate in the textile/garment industry and as a bio component in the medical a...
Open access
Research Article10.9734/irjpac/2023/v24i2805