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146 articles for “physicochemical”
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Physicochemical Parameters for Water-Environment Quality Testing: A Review
Abstract: The increasing threat posed by contaminants in air, water, and soil is a pressing issue globally, exacerbated by population growth, industrialization, and agricultural practices. These factors contribute to significant water pollution, introducing harmful substances that compromise human health. Natural processes, such as weathering and soil leaching, alongside mining activities, further degrade water quality. Regular monitoring of drinking water is essential, as contaminated sources can lead to a variety of waterborne …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 1, 2025 · pp. 08–12 Read article
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Particle Size Effect on the Physicochemical Parameters of Water Media in Treatment of Contaminants of AGO and PMS
Abstract: Some of the physicochemical properties of contaminated water media with AGO and PMS was monitored upon the particle size effect and mix ratio. The physiochemical parameters monitored are potassium ammonia, iron and manganese concentration upon the performance of the formulated adsorbent immersed in the salt water and fresh water medium. The investigation demonstrates the occurrence of leaching in the process, which shows that some of the parameters adsorbed by the …
Published in Journal of Petroleum Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 27–36 Read article
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Investigation of Pollution Status in River No. 2, Freetown, Sierra Leone, Using Physicochemical and Bacterial Indicators
Abstract: This study assessed the physicochemical and bacteriological quality of surface water in the River No. 2 watershed, Sierra Leone, through monthly sampling from March–August 2024 at upstream, midstream, and downstream sites. Analyses included temperature, turbidity, pH, electrical conductivity, total dissolved solids, ammonia, fluoride, sulfite, nitrate, lead, arsenic, chromium, and microbial indicators (Escherichia coli, fecal and non-fecal coliforms). Most physicochemical parameters met WHO drinking-water guidelines. pH (7.0–7.3), TDS (7–17 mg/L), turbidity …
Published in International Journal of Pollution: Prevention & Control · Vol. 4, Issue 1, 2026 · pp. 11–27 Read article
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Groundwater Quality Analysis of various Physicochemical Parameter
Abstract: The quality of groundwater is a critical concern for sustainable water resource management. Groundwater serves as an essential resource for a multitude of purposes, encompassing the provision of potable water and the sustenance of agricultural irrigation systems. However, it is susceptible to contamination from anthropogenic and natural sources. The objective of this research is to assess the spatial distribution and quality of groundwater parameters in Umred Taluka to provide valuable …
Published in Journal of Water Resource Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 1–11 Read article
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Mechanical and Physicochemical Characteristics of Nano-Hydroxyapatite Polymer Composites
Abstract: This study focuses on the development and characterization of nano-hydroxyapatite (nHAp)-reinforced poly (lactic acid) (PLA) composites for biomedical applications. The composites, prepared with varying nHAp content (5–25 wt%), were evaluated for their mechanical and physicochemical properties, including tensile strength, Young’s modulus, elongation at break, thermal stability, hydrophilicity, and crystallinity. Results revealed that tensile strength increased significantly with the incorporation of nHAp, reaching a peak of 62 MPa at 15 wt%, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 115–125 Read article
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Physicochemical Analysis of Oil Extracted from Raphia Sudanica Fruit Sold in Edu Local Government Area of Kwara State, North Central Nigeria
Abstract: Raphia sudanica, commonly called Raphia hookeri or bamboo palm fruit, is one of the most valuable species among known palm fruits found in Nigeria and is widespread in major parts of West Africa. In this study, oils extracted and analyzed from Raphia sudanica fruits (pulp and seed) revealed the respective physicochemical values; acid value (5.56, 6.10 mgKOH/g), peroxide value (2.44, 5.82 Meq/kg), iodine value (41.30, 68.10 gI₂/100 g), saponification value …
Published in Journal of Petroleum Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 67–75 Read article
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Study on the Variations in Physicochemical Property Concentration in a Contaminated Fresh and Salt Water
Abstract: In this research, the dispersion of crude oil contaminated was subjected into laboratory observations and results were recorded. These results were used to develop and adopt mathematical models for a proper engineering experimental practice. 1.5m3 volumes of fresh water and salt water were filled in two tanks of equal fit at the same intervals along the tanks and depth, where samples were collected for the purpose of analysis of physicochemical …
Published in International Journal of Pollution: Prevention & Control · Vol. 1, Issue 2, 2023 · pp. 1–9 Read article
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Physicochemical Analysis of Groundwater Quality In Owerri Municipal, Imo State, Nigeria Using MATLAB and ANN Models.
Abstract: The physicochemical analysis of groundwater quality in Owerri Municipal council, Imo state, Nigeria was carried out. Fifteen water samples were randomly selected from the five villages that make up Owerri municipal council were anlayzed for physicochemical parameters using standard methods. The results from the study area showed that the temperature ranged between 26.5-28.0oC; рH ranged between 4.80-5.32. Electrical conductivity ranged between 77-166 µЅ/cm. The total dissolved solids were between 35.4-168.4mg/l; …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 1, 2024 Read article
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Effects of Soil and Water Conservation Measures on Selected Physico-Chemical Properties of Soil in Qenshiben Watershed Central Ethiopia Regional State
Abstract: One of the main causes of declining soil resources in Ethiopia has been identified as soil erosion, which in turn negatively affects the agricultural productivity of the country. In order to alleviate the problem of soil erosion, numerous soil and water conservation measures have been implemented during the past ten years in numerous parts of the country through community mass mobilization. In spite of the fact that conservation measures had …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 13, Issue 1, 2024 · pp. 23–32 Read article
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Influence of Agitation and Static Cultivation on Physicochemical Characteristics of Bacterial Cellulose Produced by Gluconacetobacter liquefaciens MTCC 3135
Abstract: Bacterial cellulose (BC) a with applications spanning biomedical, food, paper, electronics, and diverse industrial processes. Its unique properties include high purity, biocompatibility, and flexibility. BC is a versatile natural biopolymeric material, secreted by certain acetic acid bacteria. BC has numerous benefits over plant cellulose due to distinctive features, e.g., higher polymerization degree and purity, superior crystalline structure, water retention, biocompatibility, and biodegradability, which make BC a valuable material in creating …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 2, 2024 · pp. 1–11 Read article
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Regression Analysis of Topological Indices and Physicochemical Properties of Polymer-Based Anticancer Drugs
Abstract: The research analyzed the quantitative correlation between topological indices and the physicochemical properties of selected anticancer compounds using regression analysis. Various topological descriptors—such as the First Zagreb Index, Second Zagreb Index, and Forgotten Index were calculated and regressed against key molecular features, including polar surface area, melting point, and molar refractivity. The regression analysis revealed linear correlations between these topological indices and the properties of anticancer drugs, with particularly strong …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 255–267 Read article
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Physicochemical Transitions and Polymerization Dynamics in Multi-Generational Dentin Adhesives: A Critical Review of the Resin-Dentin Composite Interface
Abstract: Adhesive dentistry has undergone a transformative refinement over the past three decades, transitioning from technique-sensitive, multi-step etch-and-rinse protocols to streamlined universal formulations. This narrative review critically synthesizes evidence from thirty peer-reviewed investigations to evaluate the evolution of dentin bonding agents from the fourth through the eighth generations. The analysis places particular emphasis on the physicochemical dynamics of the resin-dentin interface, including interfacial bond strength metrics, marginal integrity, and microleakage behavior. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 209–228 Read article
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Investigation of the Effects of Physicochemical Behaviour, Design, and Contaminants on Corrosion Mechanisms for Coatings
Abstract: Advanced coating systems have been developed to address the challenges of coating life and corrosion mechanisms in various industries. These coating systems are designed to provide enhanced protection, prolong the lifespan of coated surfaces, and reduce the effects of corrosion. A corrosion study with respect to contaminants (water soluble salts like sulphates, chlorides and nitrates etc.), design of the components (macro and micro defects developed due to improper design and …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 44–54 Read article
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Polymeric Ion-Exchange Complexes of Carbomer for Taste Masking and Enhanced Drug Bioavailability: A Physicochemical and In Vivo Study
Abstract: Famotidine (FAM) was recognized as a crystalline powder that varies in color from white to pale yellow and possesses an extremely bitter flavor. This study aimed to conceal the unpleasant flavor of FAM through employing unconventional ion-exchange resins sourced from Carbomer polymer Evaluation (Carbopol 974P). We used FTIR, DSC, and XRD to look at the drug-resin combination in its hard form to learn more about its physical and chemical properties. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 727–740 Read article
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Harnessing Marine Byproducts and Optimization of Biopolymer Extraction Quality Using Response Surface Methodology and Study of Its Physicochemical Properties
Abstract: Chitosan, a versatile biopolymer derived from chitin, holds immense potential across various industries owing to its antimicrobial, antioxidant, and biocompatible properties. This study aims to optimize the deacetylation process of chitin, sourced from shrimp shells, using Response Surface Methodology (RSM) to produce high-quality chitosan. The Box-Behnken Design (BBD) was employed to evaluate the effects of temperature, time, and alkali concentration on the degree of deacetylation (DD%), a key determinant of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 125–139 Read article
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Phytoremediation of Aquaculture Wastewater: Duckweed (Lemna minor L.) as a Phytoremediator
Abstract: Aquaculture systems discharge huge quantities of waste into the aquatic ecosystem, in the form of excretory products and excess feed. These have grave implications on physicochemical and biological quality of the receiving environment. The study aimed to determine potential of duckweed (Lemna minor L.) for phytoremediation of aquaculture effluent. Hundred grams (100 g) of duckweed was grown in 10 L aquaculture effluent for 7-, 14-, 21-, and 28-day retention period …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 1, 2025 · pp. 13–19 Read article
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The Effects of Physiochemical Parameters and Microbial Counts on Metal Coupons Corrosions in Freshwater Environment at Different Water Depths
Abstract: The effect of water quality on metal coupon corrosion was investigated at the New Calabar River in Choba. The study examined metal corrosion rates at five different depths: 30 cm, 60 cm, 90 cm, 120 cm, and 150 cm in a freshwater environment. Water samples were collected at each depth and analyzed for physicochemical and microbial parameters to understand their impact on metal degradation. Key parameters measured included pH, Electrical …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 31–51 Read article
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Polymer Composite-Assisted Crystal Engineering for Drug Synthesis and Property Control through Solid Solutions and Co-Crystals
Abstract: The long-standing problem of low aqueous solubility, which affects about 90% of all new drug molecules under development, requires an immediate need for alternative approaches apart from the usual practice of crystallization. Polymer-composite-assisted crystal engineering is a novel technique for overcoming the aforementioned problem. This involves the addition of accepted pharmaceutical polymers, such as HPMC, PVP, PEG, and Eudragit copolymers in a single process, which can promote nucleation, stabilize the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 172–189 Read article
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Performance Evaluation of Eichhornia crassipes and Pista Stratiotes for Treatment of Aquaculture Wastewater
Abstract: The significance of wastewater management and disposal in aquaculture is growing steadily as a result of strict water regulations pertaining to the release of waste into natural water systems. The conventional methods are expensive to manage and thus, it is not sustainable especially in the developing countries. Therefore, the objective of this research is to utilize Eichhornia crassipes (Water hyacinth) and Pistia stratiotes (Water lettuce) in phytoremediation techniques as an …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 1, 2025 · pp. 46–54 Read article
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Integrated Spatial and Statistical Assessment of Groundwater Quality in Rupbas Tehsil of Bharatpur, Rajasthan: A WQI-based Approach
Abstract: This study presents a comprehensive evaluation of groundwater quality in Rupbas Tehsil of Bharatpur District, Rajasthan, through the application of the Water Quality Index (WQI) and hydrogeochemical techniques. A total of 32 groundwater samples, 16 collected during the pre-monsoon and 16 during the post-monsoon seasons, were analyzed for key physicochemical parameters including pH, electrical conductivity (EC), total dissolved solids (TDS), dissolved oxygen (DO), oxidation-reduction potential (ORP), total hardness (TH), total …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 84–93 Read article