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1131 articles for “test”
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A Novel Approach to Pulse Anodizing for Decreasing Energy Consumption and Increasing Productivity
Abstract: Anodizing is a resourceful method used to give aesthetic appearance and to prevent a metal from corrosion by forming an oxide layer over its surface. Depending upon the different fields of application various power supply such as direct current (DC) and pulsed current (PC) are used. This paper reviews an existing anodizing method which can be optimized with a few simple guidelines. Several current densities and pulse periods were tested …
Published in International Journal of Analytical and Applied Chemistry · Vol. 1, Issue 1, 2015 · pp. 21–39 Read article
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Physico-Chemical Study of Rani Pond Water in Winter Season-2015 of Rewa District, Madhya Pradesh, India
Abstract: This paper presents to physico-chemical study of Rani pond water in winter season-2015 of Rewa district, Madhya Pradesh, India. We are analysed to change in physical and chemical properties of Rani pond water due to season. The variable data of samples are within prescribed limits as suggested by World Health Organisation (WHO), Indian Standard (ISI) and BIS desirable limit for drinking water for drinking purpose. Seasonal variation in physical and …
Published in International Journal of Analytical and Applied Chemistry · Vol. 2, Issue 1, 2016 · pp. 9–14 Read article
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Spectroscopic determination of toxic elements in various milk samples, collected from different environments
Abstract: In the present study, a simple sample preparation method has been established for the determination of toxic elements (TEs) Cd, Cr and Pb in raw milk samples of buffalos and cow. These samples were collected from different locations such as industrial, roadside and near to residential areas of Karachi, Pakistan. Concentrations of understudy TEs were determined by electro-thermal atomic absorption spectrometry (ETAAS) prior to conventional wet acid digestion. The results …
Published in International Journal of Analytical and Applied Chemistry · Vol. 4, Issue 2, 2018 · pp. 33–41 Read article
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PREDICTIVE MODEL FOR CORROSION CONTROL IN CRUDE OIL AND GAS PRODUCTION FACILITIES
Abstract: Corrosion is a major problem in the global oil and gas industry, as crude oil and gas production operations are shut down on daily basis, because of facility failure, due to the deterioration and the loss of a facility and its critical properties due to chemical, electrochemical and other reactions of the exposed facility surface with the surrounding environment. Efforts have been made to eliminate corrosion in crude oil and …
Published in International Journal of Analytical and Applied Chemistry · Vol. 6, Issue 2, 2020 · pp. 23–36 Read article
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Citrus Reticulata's Anti-Aging use of Essential oil Chemical Process
Abstract: Citrus has a variety of species, including oranges (Citrus sinensis), In vitro antioxidant and anti-enzyme tests were used to investigate the anti-aging activity of alcoholic extracts of C. reticulata Blanco peel. After two extraction procedures were utilised, isolates were found to qualitative and quantitative phytochemical examination. The Soxhlation (CR HAE) extract has a higher overall phenolic and flavonoid content than the maceration extract (CR CAE). CR HAE had strong DPPH …
Published in International Journal of Analytical and Applied Chemistry · Vol. 8, Issue 1, 2022 · pp. 40–44 Read article
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Application of Agro-Residues for Removal of Oil Spill From Sea Surface
Abstract: Rice husk (RH), wheat straw (WS) and sawdust (SD) were studied for sorption of oil spill (diesel oil of density 0.828 g/cc was taken as oil spill for lab study) from artificially prepared sea water (3.5% NaCl) at 20, 25, 30 and 35°C at various dosages. As RH gave maximum sorption capacity at all temperatures and at all dosages under study, it was focus of investigation for its application for …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 1, 2016 · pp. 5–10 Read article
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ADSORPTION OF POLLUTANTS FROM EXHAUST GAS USING WASTE MATERIAL DERIVED ACTIVATED CARBON
Abstract: The emission of gas from motor vehicle engine causes pollution to the environment. The emission of motor vehicle contains pollutants such as hydrocarbons (HC), carbon monoxide (CO), oxides of sulfur (SO2), carbon (CO2) and nitrogen (NOx), particulates, etc. In the present work, we prepared an activated carbon from Banana peel. The activated carbon was prepared by carbonizing banana peel in furnace. The resulted carbon was activated by chemical activation with …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 1–4 Read article
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Liquid–Liquid Equilibria of Water + Acetic Acid + Ethyl Acetate, Water + Acetic Acid + MIBK, Water + Acetic Acid + Mixed Solvent (Ethyl Acetate + MIBK) and Its Reliability
Abstract: In this work, binodal curves and tie-line liquid-liquid equilibria experimental data were obtained for the ternary systems water + acetic acid + ethyl acetate, water + acetic acid + methyl isobutyl ketone (MIBK) and water + acetic acid + mixed solvent (ethyl acetate + MIBK) at 293.15 K and atmospheric pressure by cloud-point titration method. Binodal curves, tie-line data, distribution coefficient and separation factor data were determined for these systems. …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 2, 2021 · pp. 1–10 Read article
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Potato Starch-Based Polyethylene Composite: Fabrication and Evaluation
Abstract: This study's objective was to create and evaluate a biodegradable polymer composite consisting of potato starch (PS) and low-density polyethylene (LDPE). The effects of changing the PS content (10– 40 wt%) on the mechanical (elongation at break and tensile modulus), thermal (heat conductivity), and biodegradability characteristics of the polymer composite were examined. Next, it was examined how the cross-linking agent influenced the polymer composite's mechanical and thermal properties. The melt …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 32–44 Read article
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Case Studies On Synthesis Of PLLA Bioplastic Starting From Food And Agricultural Wastes
Abstract: Polylaevo Lactic Acid (PLLA) is an excellent biopolymer that is biodegradable and has characteristics exactly similar to polystyrene. However, at present, the market price of this biopolymer is significantly higher than polystyrene and other synthetic plastics. The major hindrances to the large scale manufacture of this polymer are the lack of availability of a cheap raw material and the overall economy of synthesis of lactic acid from the same. In …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 1, 2015 · pp. 1–13 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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A Study on the Effect of Current Density on Electrocatalytic Behavior of Ni–Co Alloy
Abstract: Active, stable and more efficient electrocatalysts are the requirements for water splitting applications. In this direction, the present paper presents the experimental results on electrolytic development of Ni–Co alloy coatings, and their application as electrode material for hydrogen evolution reactions (HER) and oxygen evolution reactions (OER). The Ni–Co alloy coatings were electrodeposited on copper substrate from a sulfate bath, using the glycerol as additive. The deposited coatings were then tested …
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 1, 2017 · pp. 9–23 Read article
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Passive Capillary Flow of Dyed Aqueous Isopropyl Alcohol in the Leakage-Free SU-8 based Glass Microfluidic Devices
Abstract: In this work, total 2 individual SU-8 based glass microfluidic devices are fabricated by the maskless lithography and indirect bonding technique. The aqueous isopropyl alcohol (10% IPA, 90% dyed water) is prepared to test these fabricated devices. Each passive capillary flow is recorded by the CMOS camera catching 25 frames per second. This work will be useful in bioengineering applications. Keywords: Passive capillary flow, SU-8, Aqueous IPA, Microfluidic device
Published in International Journal of Chemical Engineering and Processing · Vol. 4, Issue 1, 2018 · pp. 30–32 Read article
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Separation of p-xylene from xylene isomer mixtures within a single stage porous batch cooling crystallizer
Abstract: Crystallization based separation of p-xylene from its isomer mixtures were mostly accomplished in stirring crystallizers, suspension crystallizer and scrapping crystallizer followed by centrifugation. In this work, separation process for p-xylene, where both crystallization and separation of p-xylene in a single batch crystallizer, was performed. Upon cooling, p-xylene, which has the higher melting point than other xylene isomers (o-xylene and m-xylene), crystallizes first. Xylene mixture samples were crystallized at a lower …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 1, 2020 · pp. 62–78 Read article
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Study on Mechanical and Physical Properties of Wood-Plastic Nanocomposites after Fiber Surface Treatment
Abstract: Numerous composites based on high-density polyethylene (HDPE), wood flour (WF), and nanoclay (Cloisite 30B) were prepared by melt compounding followed by injection mold. This paper aims to evaluate the feasibility of using HDPE and underutilized WF as a material for the development of woodplastic composites, as well as the strengthening effect of nanoclay on them. To develop the poor interfacial interaction between the hydrophilic WF and hydrophobic HDPE matrix, as …
Published in International Journal of Chemical Engineering and Processing · Vol. 8, Issue 2, 2022 · pp. 43–53 Read article
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IMAGING OF A FAR SURFACE OBJECT WITH HORIZONTAL LOOP ELECTROMAGNETIC INSTRUMENT
Abstract: An electromagnetic imaging instrument with variable voltage and frequency was designed and constructed to image a far surface metallic object. The methodology involved the transmitted voltage of 250V to the transmitter core with frequency of 300Hz. The liquid crystal display (LCD) module was used to display the computed voltage values after being processed by the microcontroller unit. The constructed instrument took measurement at horizontal profiling to 30m along the surface …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 1, 2019 · pp. 4–9 Read article
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Determination of the Flow Velocity Resistance in Non- Submerged Woody Plants
Abstract: Vegetation on the bank of a river or stream has a major influence on resistance, velocity distribution,and turbulence force. The resistance to flow in open channels depends on different channel and flow parameters. Out of many factors, vegetation is the mainly important parameter in open channels. In this study have been five points to measure the velocity in the channel. The experimental work has been done by a rectangular channel …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 1, 2022 · pp. 1–7 Read article
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Hydro-Geochemical Analysis of Groundwater of a Micro-Watershed (MWS) of Banas River Basin, Rajasthan, India
Abstract: About 5.25 billion population of the world have depend on groundwater to meet their water needs, and the growth of agriculture and human health have both been significantly affected by groundwater quality. Land use, surface-and-subsurface geology, and soil characteristics all have an effect on groundwater composition, which in turn affects groundwater quality. Fluoride, nitrate, chloride, CaCO3, and salt are the main problem in groundwater quality in Rajasthan. Groundwater quality data …
Published in International Journal of Environmental Chemistry · Vol. 9, Issue 1, 2023 · pp. 1–23 Read article
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Studies on corrosion mechanisms of steel wire ropes
Abstract: Degeneration of lubrication by seepage of water to core of ropes produces corrosion to change relevant properties. Corrosion of wire ropes in suspender of cross-sea bridges has induced from sulfur dioxide present in environment. Stress corrosion accident of steel wire in coalmine has studied by stress corrosion behaviors of high strength steel wires in mine trickling water. Keywords Steel, Rope, Corrosion, Fracture, Mine water, Tensile test, Stress corrosion crack
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 28–35 Read article
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Short Report on Capillary Motion of Dyed Ethylene Glycol for Application towards the Gas Flow in Microfluidics
Abstract: In this experimental report, a couple of SU-8 based glass microfluidic devices are fabricated bymaskless lithography and indirect bonding technique. Each device is tested by the prepared dyedethylene glycol as working liquid. The microfluidic-leakage is recorded in the surface-drivencapillary motion of dyed ethylene glycol due to improper indirect bonding technique. The leakagefreesurface-driven capillary motion of dyed ethylene glycol is recorded due to proper indirectbonding technique. This experimental work is performed …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 7, Issue 1, 2021 · pp. 13–16 Read article