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509 articles for “detection”
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Application of a graphene oxide for determination of Cadmium, Lead, Copper and Zinc ions at trace level in personal Care Products using Solid Phase Extraction
Abstract: A novel and simple procedure Solid Phase µ-extraction was successfully used as a sample preparation method for the pre concentration and determination of Cd, Pb, Cu, and Zn in different personal care products samples. In the first screening, a five variables were selected with low (-) and high level (+) and were inspected by Plackett–Burman. In order to further optimization, a central 23 +star orthogonal composite design (CCD) was applied …
Published in International Journal of Analytical and Applied Chemistry · Vol. 6, Issue 1, 2020 · pp. 14–23 Read article
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Garnet Intermetallic Compound to Memory Achievement
Abstract: This article subtended optimism to infer as of inter-bond speciation as from varying degrees of crystalarticulated formation to the horizon in the photonix arena. Colourless synthetic cubic crystal hasconfigurable mechanical, thermal and electro-optical properties. Gadolinium gallium garnet (GGG,Gd3Ga5O12) has crystal identity to allocate magnetic Gd ions on two interpenetrated corners of cubiccrystal analogy. Sublattice share of triangular geometry among Gd ions bear magnet isotropy tosubject sharp response devoid of dipole …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 1, 2021 · pp. 8–16 Read article
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Chromatography for Chemical Separation: Types and Uses
Abstract: Chromatography is an analytical tool that is used for separating a variety of chemical mixtures. This technique was developed somewhere during the 1940s to 1950s. Initially, the technique had low efficiency with prolonged time of analysis and reduced detection range. Later, the technique was modified and improved to meet the demands of chemical separation technology. Chromatography is broadly categorized into analytical or preparative. Analytical chromatography is used for small sample …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 1, 2016 · pp. 24–25 Read article
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Electrolytic Deposition of Zn–Ni Alloy from Acidic Sulphate Bath and Their Characterization
Abstract: A bath containing ZnSO4.7H2O, NiSO4.7H2O, thiamine hydrochloride (THC) and citric acid (CA) has been proposed. Bright Zn–Ni alloy coatings were developed galvanostatically onto mild steel (MS) and their corrosion resistance and other physical properties were studied. THC was found to improve the brightness and homogeneity of the deposit. The dependency of bath composition, current density (c.d.), pH and temperature, agitation on wt.% Ni were tested. Deposition was carried out under …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 2, 2016 · pp. 19–32 Read article
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“Studies on Benzene & Toluene in Ambient air of Ghaziabad Area of Delhi NCR & their carcinogenic effect”
Abstract: In this paper, the determination of Benzene & Toluene in Ambient air of Ghaziabad area of NCR were investigated. Benzene & Toluene are considered as the Carcinogenic and toxic contaminants of ambient air quality of Ghaziabad. Benzene & Toluene comes from many different sources like petroleum products, including motor fuels, industrial emission, factories and power plants etc. Benzene and toluene are carcinogenic and hazardous to biotic life and no safe …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 19–28 Read article
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A New Multidentate Fluorescent Chemosensor for metal ions: Synthesis and Fluorescence Response
Abstract: We report the synthesis and the fluorescence response to metal ions of a multidentate pyridyl-based ligand in MeCN/H2O (3/7) solution. The ligand was synthesided via overnight refluxing of a ethanolic mixture of 2,6-diamino pyridine and di(pyridine-2-yl)methanone. studies reveal the ligand display sensing response ability in the presence of certain metal ions. It display significant fluorescent quenching in the presence of Ni2+, Co2+, Zn2+ and Cd2+, with remarkable fluorescence “turn-off” response …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 1, 2019 · pp. 10–17 Read article
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Determination of Poly Chlorinated biphenyls in sediment of Trondheim fjord (Norway) and Lake Tana (Ethiopia) using pressurized liquid extraction (PLE) and Gas Chromatography – Mass Spectrometry (GC-MS).
Abstract: The presence of polychlorinated biphenyls (PCBs) in the environment is of great concern, as they are compounds that are hazardous to the environment and human health. Environmental investigations of PCBs can be challenging as they are found in trace amount, thus, it is important to have a reliable method for the determination of PCBs in environmental samples. In this work, an analytical method for the determination of PCBs in marine …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 2, 2019 · pp. 1–10 Read article
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Pitaya Cactus Endophytic Bacteria a Sustainable Option to Reduce and Optimize NH4NO3 in Phaseolus vulgaris
Abstract: The Phaseolus vulgaris crop demands nitrogen fertilizer as NH4NO3 for healthy growth. However, the application of NH4NO3 not uptaken by plant roots, generates N2O, a gas that contributes to the greenhouse effect besides loss of soil fertility; a sustainable option is to reduce up to 50% and to optimize it by inoculating P. vulgaris seeds with genera and species of plant growth promoting endophytic bacteria isolated from a desert xerophyte …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 34–42 Read article
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Hydrothermal Gasification of Selected Foods for Sustainable Energy Generation using aspen plus
Abstract: Fossil fuels are becoming scarce and depleting at an alarming rate. To address the ever- increasing energy demand and the worrying deterioration of the climatic condition, researchers are obligated to pursue alternate feedstock for sustainable energy generation that promotes carbon neutrality. The search leads to lignocellulosic materials like unprocessed food wastes. These are sizing quantities of agro-waste that seem promising for the production of bioenergy, especially in tropical and subtropical …
Published in International Journal of Environmental Chemistry · Vol. 9, Issue 1, 2023 Read article
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ANALYSIS OF FE AND TOTAL IRON BINDING CAPACITY (TIBC) IN CORD AND MATERNAL BLOOD SERUM
Abstract: This work explains the correlation between antenatal maternal blood and umbilical cord blood iron levels and it was not found to be closely related previously. It is observed that economic background of the patients influences the normal range of Iron binding level in Umbilical cord blood of the neonates selected from a government hospital, India. This investigation concludes that low Fe content in Umbilical cord blood makes the child susceptible …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 25–37 Read article
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INVESTIGATION ON PORTABILITY OF OTUOKE UNDERGROUND WATER.
Abstract: The study was designed to investigate the portability on groundwater in Otuoke, Bayelsa State. A total of four groundwater samples were acquired and analyzed for their physico-chemical and heavy metal parameters. Heavy metals were all analyzed with the Atomic Absorption Spectrometer and spectrophotometer. The result revealed that for the heavy metals, iron was most predominant, ranging from 0.70 to 0.08 mg/L. Arsenic was below the machine detectable limit and Assessment …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 2, 2022 · pp. 30–36 Read article
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Thermodynamic Techniques in Food Chemistry – A Review
Abstract: The thermal activities of food strongly depend on its composition. The aims of food processing are to inactivate spoilage and pathogenic microorganisms and to sustain this condition in storage. Using calorimetric techniques, many physicochemical effects can be detected in the temperature range between -50°C and 300°C. Biophysical techniques viz., isothermal titration (ITC) and Differential Scanning Calorimetry (DSC) are used to characterize the structure and properties of food materials before and …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Time and Cost Overrun Factors in Building Construction Projects in India
Abstract: The construction project is one of the most important and significant sectors for financial development and progress. Achievement of any construction project depends on the timely completion of project within the defined budget. Delay and value overruns are big problem in the construction industry which must be taken care of for a time and price effective projects. These failures can result in various kinds of negative affections like dispute between …
Published in International Journal of Construction Engineering and Planning · Vol. 8, Issue 1, 2022 · pp. 9–13 Read article
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Development of Smart Strips in The House for Safety Monitoring
Abstract: The safety monitoring of residential premises has emerged as a subject of significant interest among numerous researchers. The exploration of effective methods and technologies for ensuring the safety of residential spaces has garnered considerable attention and continues to be a focal point of research efforts.. Moreover, this monitoring and control are greatly facilitated these days with the advancement in wireless data transmission technology. A smart Wireless sensor network is the …
Published in International Journal of Construction Engineering and Planning · Vol. 9, Issue 1, 2023 · pp. 30–38 Read article
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Condition Assessment of Structures Using Vibration Technique
Abstract: Structural Health Monitoring grasps the Promise for enhancing the structural performance with an outstanding cost/benefit ratio. Condition assessment is a technique used in health monitoring in the damage detection, to ensure the serviceability and the durability of the structures. In the present report, condition assessment of the structures using low frequency technique is being completed through experimental modal analysis and computational analysis software ANSYS 9.0 over structural elements beam and …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 36–46 Read article
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Estimation of Burden Rock Movement using High Speed Videography: Case Study of A Limestone Mine
Abstract: In an opencast mine involving hard rock/deposit excavation, blasting becomes a very important activity. Effective usage of explosive energy to fragment and displace the hard strata results in considerable savings. However, the occurrence of blasts in mines is so rapid that the naked eye cannot detect the process. High speed videography can provide the progress of blast in millisecond time scale needed to analyze the happenings in the blast. An …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 8, Issue 1, 2022 · pp. 14–25 Read article
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Analysing Seismo-electromagnetic Waves through Wavelet Transformation
Abstract: This research has presented a sophisticated methodology for studying lithosphere-ionosphere coupling phenomena, emphasising the identification of pre-seismic activity through seismo-electromagnetic signal processing. The application of an advanced electric field monitoring device, coupled with the precision of the Discrete Wavelet Transform (DWT), has allowed us to uncover nuanced patterns in the ULF range, specifically related to seismic events during the Kumamoto Earthquakes. The detailed statistical analysis further supports the significance of …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 9, Issue 2, 2023 · pp. 10–17 Read article
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Assessment of Pedestrian Walking Characteristics at Erbil CBD
Abstract: To enable and encourage walking, understanding of the characteristics of pedestrian movements is vital. The restrictions on vehicular movement, and scarcity of parking lots had changed the whole traffic movement to the unserviceable condition. Therefore, walking is considered as the most efficient mode of transportation at Erbil CBD area. In developing countries like Iraq, however, the recognition of the importance of pedestrian walking studies is still infancy; the published data …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 1, Issue 2, 2015 · pp. 1–10 Read article
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Visual Assessment of Pavement Surface Condition for Baghdad International Airport
Abstract: Abstract In the process of developing the infrastructure of Baghdad international airport, visual assessment was undertaken to evaluate the concrete pavement surface condition. The walk through technique was implemented, all types of pavement distresses have been detected visually and captured with camera of high resolution. It was observed that the block and fatigue cracking of pavement surface was concentrated at the threshold part (touch down zone) of the runway, while …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 2, Issue 1, 2016 · pp. 1–9 Read article
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Comprehensive Study of Road Safety Issues In Sangli City With Improvement Measures.
Abstract: A Road Safety Audit (RSA) refers to a thorough and official assessment conducted by an independent team. Its purpose is to evaluate the safety performance of an existing road, intersection, or one that is planned for construction. This comprehensive examination aims to identify potential hazards and recommend measures to enhance overall road safety.. It qualitatively assesses and reports on potential road safety issues and finds solutions that improve overall road …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 9, Issue 1, 2023 · pp. 35–40 Read article