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475 articles for “Preparations”
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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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Experimental Studies on the Surface-Driven Microfluidic Flow of Dyed Ethylene Glycol in Polymer Microfluidic Devices
Abstract: In this experimental work, three individual microfluidic devices are fabricated by polymethylmethacrylate (PMMA) using maskless lithography, hot embossing lithography and direct bonding technique. Straight microchannel having uniform width along entire channel length is the chosen design of microchannels before fabrication. Dyed ethylene glycol is prepared and used as working liquid. Effect of channel aspect ratio on surface-driven capillary flow of dyed ethylene glycol is studied. CMOS camera is used to …
Published in International Journal of Analytical and Applied Chemistry · Vol. 6, Issue 2, 2020 · pp. 17–22 Read article
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Experimental Demonstration on Microfluidic-Leakage in SU-8 based Glass Devices for Applications towards the Polymer Microfluidics
Abstract: Classical mechanics and quantum mechanics belong to the first quantisation in physics. Quantummechanics is dependent on quantum theory. Quantum field theory is the second quantisation inphysics. Fluid mechanics is a branch of classical mechanics (non-quantum). Therefore, fluidmechanics is present at the first quantisation in physics. Bulk-fluidics (microfluidics), microfluidicsand nanofluidics are the three levels of fluid mechanics towards miniaturisation. In this experimentalwork, the microfluidic-leakage is prominently demonstrated by fabrication of 12 …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 1, 2021 · pp. 1–7 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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Mechanical characterization of Fiber glass Composites with Nano silica
Abstract: Epoxy-based fiber glass composites with enhanced strength by silica Nano particles checked for mechanical strength by addition of nanoparticles. Fiber glass Composites were prepared with glass fiber and nanoparticles containing resin, by infusion method. proper mixing of nanoparticles in resin was checked by various techniques. Viscosity of liquid resin reduced because of nanoparticles but still have good command to reinforce glass fibers. glass transition temperature (Tg) of polymer containing silica …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 49–58 Read article
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Current applications for functionalized silver nanoparticles: A Review
Abstract: Nanotechnology in today’s scenario plays a pivotal role in various fields. Metal nanoparticles are becoming important in various disciplines of catalytic application, environmental remediation, etc. Functionalization of metal nanoparticles has been performed either by biomolecules or chemical functional groups that not only provide stability to the nanoparticles but also surface functionalities which makes them important for various applications. Silver nanoparticles are functionalized with amino acids in order to achieve a …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 6–13 Read article
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Extraction of Bioflavonoid from Peel of Citrus sinensis
Abstract: Citrus sinensis is belongs to the Rutaceae family. This is also known as orange fruit and it contains several phytochemicals like phenolic compounds, phenolic acids, bioflavonoids (quercetin, rutin and kaempferol), saponins, carotenoids, citric acid and vitamin C (ascorbic acid). It shows various pharmacological activities like antioxidant activity, anti-inflammatory activity, anti-diabetic activity, anti-cancer activity, wound healing activity etc. This plant control the various disorders in the society. Bioflavonoids also assist in …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 1, 2021 · pp. 1–5 Read article
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Membrane Distillation: An Emerging Technology
Abstract: Membrane distillation is a process that utilizes both temperature and pressure difference which results in the 100% theoretical separation of non-volatiles though the distillation is the very old form of purifying water this is the modified form of distillation that uses the membrane for better separation and it is also a highly effective one which can replace the conventional methods if it is exploited properly. This article aimed to develop …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 2, 2021 · pp. 23–33 Read article
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RECENT DEVELOPMENTS ON VOLATILE DEEP EUTECTIC SOLVENTS FOR APPLICATION IN CRYSTALLIZATION OF PHARMACEUTICAL COMPOUNDS.
Abstract: Crystallization is one of the most effective separations and purification methods used in the pharmaceutical and fine chemical industries. Volatile organic solvents are widely used in the crystallization of pharmaceutical compounds. Some properties of these solvents such as volatility, instability, combustibility,unpredictable nature, and toxicity are undesirable. In therecent years solvents known as ionic liquids and deepeutectic solvents (DES) derived from ionic liquidsgain importance due to the interesting properties as solvents. …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 1, 2022 · pp. 20–26 Read article
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Mass Production and Isolation of Trichoderma harzianum from Different Media Using Liquid and Solid Fermentation Technique and Evolution against Fusarium oxysporum
Abstract: Mycelial growth conidal production and biomass yield of trichoderma species (Trichoderma harzianum) were examined on different culture media including potato dextrose media, waksman media, soyabean meal media, glucose peptone media, jaggery media, malt extract media, cornmeal media, czepaks media. A big factor in growth rate was the medium. The optimum medium in terms of growth spore generation and biomass output was soyabean meal media. For mycelial growth, biomass output, and …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 1, 2022 · pp. 27–37 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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The new method of mixing in an advanced ceramics processing
Abstract: Ceramics for today’s engineering applications can be considered as advanced, new or fine, and utilize highly refined materials. These new or advanced ceramics, when used as an engineering material, possess several properties which can be viewed as superior to metal-based systems. These properties place this new group of ceramics in a most attractive position, not only in the area of performance but also cost effectiveness. These properties include high resistance …
Published in International Journal of Chemical Engineering and Processing · Vol. 5, Issue 1, 2019 · pp. 43–47 Read article
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Passive Capillary Flow of Dyed Ethylene Glycol in the SU-8 based Glass Microfluidic Devices Fabricated by Microfabrication Technologies
Abstract: In this work, total 4 individual SU-8 based glass microfluidic devices are fabricated by the steps of maskless lithography and indirect bonding technique using author’s own hands-on completely. Dyed ethylene glycol (80% red dye, 20% ethylene glycol) is prepared as working liquid. The CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record the surface-driven capillary flow of dyed ethylene glycol …
Published in International Journal of Chemical Engineering and Processing · Vol. 5, Issue 1, 2019 · pp. 37–42 Read article
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Extraction,Characterization and Optimization of pectin from Banana peel by using Acid Extraction
Abstract: This paper basically focused on the production of pectin from banana peel, an agricultural waste. The production process used in this work was raw material collection from Hawassa City, and characterizing the raw material for its physic-chemical composition. The raw material was prepared and grinded to a averageparticle size of 0.25mm after drying at a constant temperature of 600C. The extraction of oil from the banana peel was conducted using …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 2, 2020 · pp. 27–48 Read article
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Effect of Particle Size Distribution (PSD) on the Rheology of Coal Water Slurry (CWS)
Abstract: A new type of complex fluid, which was prepared using Sodium Lignosulfonate as a polymeric additive, has been investigated for its properties as a multifunctional coal water slurry system with respect to particle size distribution and rheological properties. Coal water slurry is a double-phase system consists of fine coal particles suspended in water. The properties mainly depend on the physical and chemical characteristics of coal, additives and flocculation tendency. This …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 1, 2021 · pp. 45–57 Read article
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Chemical Resistance of Coconut Shell-Filled Rubber Vulcanizates
Abstract: In this contribution, the uptake of water, methanol, acetone and toluene at ambient temperature by Coconut Shell-Filled Rubber Vulcanizates as a function of time were studied. The rubber vulcanizate with varying Coconut Shell filler (CSF) concentration of 10 to 50 pphr at 10 pphr interval was prepared using two roll mixing mill and compression moulding process. The effect of filler loading on the percentage uptake of different chemicals (water, methane, …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 37–42 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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Studies on the degradation of jute blended cotton fabric in soil, water and ambient atmosphere
Abstract: Although, we are more concern about the environment pollution, we cannot reduce the use of pollutant in a significant limit. The use of bio-degradable materials is one of the best methods to reduce environmental pollution. In our present research we tried to find biodegradable materials, jute and cotton, to keep our environment pollution free. We also showed the effect of environment on the degradation properties of the mentioned materials. The …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 2, 2018 · pp. 1–11 Read article
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Removal of Methyl Orange from Wastewater Using Composite Material
Abstract: The textile industry is one of the pollute activities that most consume water. Industrial dyes are dangerous pollutants, resulting from the textile industry. The textile dyes significantly increase inhibit plant growth, enter the food chain, promote toxicity, and carcinogenicity. The removal of textiles dyes is usually proposed via adsorption represents a sustainable solution. A composite material was prepared by polystyrene in combination with commercial activated carbon. A series of experiments …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 42–46 Read article
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Study of Solid Waste Management in Shrirampur, Pusad—Case Study
Abstract: Solid waste management (SWM) is one of the most essential services for maintaining the quality of life of the people and for ensuring better standard of health, sanitation and the environment. Total quantity of municipal solid waste (MSW) generated everyday has increased with increased population. Management of MSW has emerged as a problem which concern about environment. The present study was undertaken to study the existing system of collection, storage, …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 1, 2021 · pp. 15–22 Read article