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181 articles for “ION”
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Synthesis of Zeolites: An Overview
Abstract: Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and catalysts. Zeolite synthesized from CFA is a minor but interesting product, with high environmental applications. Zeolites may be easily obtained from CFA by relatively cheap and fast conversion processes. This paper provides an overview on the methodologies for zeolite synthesis from CFA, and a detailed description of conventional alkaline conversion processes, with special emphasis on the experimental conditions to …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 8–14 Read article
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Spectrophtometric Study of Catalysed Oxidation of Some Cyclic Alcohols by N-bromophthalimide
Abstract: The spectrophotometric kinetic investigation of cyclohexanol and cycloheptanol catalysed by Keggin type anion [PW12O40]3- with N-bromophthalimide have been carried out in 30% acetic acid medium in absence of mercuric(II) acetate and in presence of sulphuric acid. The observed kinetic data was used for the justification of Beer-Lambert law. The reactions follow a fractional-order with respect to cyclic alcohols, PTA catalyst and first-order with respect to oxidant NBP. The added H+ …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 44–50 Read article
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Green Chemistry Approach for the Preparation of Silver Nanoparticles: A Review
Abstract: The word "nanoparticles" refers to particles within a size range of 10 and 100 nm. Nanotechnology is the topic that is growing the fastest because of its applications in science and technology to produce new at the nanoscale range. Silver is the metal of first preference among the various noble metals. The production of silver nanoparticles can be achieved by different methods such as: chemical method, biological method, green synthesis. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 30–39 Read article
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Kinetic and Mechanistic Study of Oxidation of Benzydamine Hydrochloride by Permanganate (VII) in Acidic Medium
Abstract: The kinetics and mechanism of Permanganate (Mn (VII)) oxidation of Benzydamine hydrochloride (B.HCl) in acidic medium has been studied at 26 ± 0.1°C. The reaction shows first order dependence in [Mn (VII)], less than unit order in [B.HCl] and fractional order dependence in [H2SO4]. Variation of ionic strength by the addition of KCl has no significant effect on the rate. The stoichiometry of the reaction is found to be 1:4 …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 2, Issue 2, 2016 · pp. 20–28 Read article
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EFFECT OF GLUCOSE ON PHYSICO-CHEMICAL PROPERTIES OF SOME SURFACTANT SOLUTIONS
Abstract: Physico-chemical and thermodynamic studies of some aqueous surfactant solutions were carried out by employing conductance and dye solubilization (UV-Vis absorption spectroscopy) techniques. From the above measurements, critical micelle concentration (CMC) and thermodynamic properties of micellization (ΔGomic , ΔHomic and ΔSomic) have been obtained for an anionic [Sodium dodecyl sulphate (SDS)],a cationic [hexadecyl trimethyl ammonium bromide, (HTAB)] and non ionic (Tween-20) surfactant solutions. Effect of mixing cosolute on CMC and thermodynamics …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 1, 2018 · pp. 1–22 Read article
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Review of Reactive Extraction Process for Recovery of Pyruvic Acid
Abstract: Pyruvic acid having a molecular formula (C3H4O3) is an important alpha-keto-carboxylic acid. It is mainly manufactured by biotechnological routes or chemical synthesis. There are number of applications of pyruvic acid in the industrial sector such as chemical, food, cosmetic and agriculture sector. The main problem for the production of pyruvic acid from the fermentation broth is downstream processing. The number of techniques developed to recover this acid from their aqueous …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 1–7 Read article
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Crystals (Thermotropic phases and Lyotropic phases) in Physical Properties
Abstract: In the current years there has been a cumulative growth to add the numerous nanomaterials to liquid crystals which is encouraged via frequent elements of resources advance. (i) accumulation of nanomaterials can conversion and thus melody the belongings of the liquid crystal (ii) inventive functionalities can be added to the liquid crystal (iii) the self-organization of the liquid crystalline formal can be abused to pattern systematic structures or to assignment …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 2, 2019 · pp. 16–22 Read article
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Corrosion Protection of Copper Metal by Nanocoating in Nitrogen dioxide Environment
Abstract: Nitrogen dioxide is an acidic gas. It absorbs moisture to produce nitric acid. It creates corrosive medium for copper metal. It forms corrosion cell on the surface of copper and accelerate corrosion reactions. The corrosion cell formation is written as: Cu|Cu2+||H+|H2 thus corrosion reactions start and copper is oxidized into Cu2+surface and it is oxidized into Cu2+ whereas H+ ion is reduced into H2. Nitric acid environment copper exhibits galvanic, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 1–11 Read article
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Oxidative Desulfurization of Petroleum
Abstract: One of the most successful desulfurization procedures for the creation of ultra-low sulphur import fuels is oxidative desulfurization, which converts aromatic sulfur-containing molecules into sulfone counterparts before being extracted. Oxidative desulfurization processes using graphene oxide are of great interest for fuel sulfur removal. Its technique of desulfurization in reactions catalyzed was thoroughly detailed in this review, along with graphene’s function as a supported catalyst, the findings of research on oxidative …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 1–4 Read article
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Mechanisms for Biological Energy Transduction
Abstract: One of the most intriguing aspects of plant metabolism is energy transduction, and a significant amount of study has gone into understanding the process by which the different activities operate. When light energy is employed in the chloroplast to create Adenosine triphosphate (ATP) from Adenosine diphosphate (ADP), transduction is taking place. This is the process of converting one form of energy into another. The reactions involved in this research are …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 18–22 Read article
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Study of Durability Properties of Bagasse Ash Concrete and Its Behaviour when Exposed to Elevated Temperatures
Abstract: The major driver for the economic growth and social progress of any country is its construction sector. In India, it is estimated that construction contributes 8% to 9% to GDP and this share is likely to increase in coming years. High-performance concrete made from ordinary Portland cement (OPC) and various supplementary cementitious materials (SCM) are alarmingly finding their use in construction worldwide. Bagasse ash (BA), one such SCM, the agro-industrial …
Published in International Journal of Construction Engineering and Planning · Vol. 8, Issue 2, 2022 · pp. 51–62 Read article
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Mechanical Behavior of Fly Ash Concrete A Critical Review
Abstract: Concrete structure is the most common all over the world. Cement is the major ingredient of concrete. Though the raw materials needed for manufacture of cement are available in most parts of the world, many countries have severe shortage of cement, although their needs are vast. The search for suitable substitute for cement, either partially or fully, has thus become a challenge for planning the development of many of the …
Published in International Journal of Concrete Technology · Vol. 7, Issue 1, 2021 · pp. 29–43 Read article
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Compressive Strength and Chloride penetration on Semi-Lightweight Concrete Made Up of Artificial Aggregates
Abstract: This paper deals with the properties of semi-Light weight concrete prepared by using Light weight wood ash pellets as coarse aggregates. It can be prepared by varying the cement content from 300 to 450 kg/m3. Optimum design mix can be finalised by studying the engineering properties such as compressive strength, split tensile strength, young’s modulus and rapid chloride penetration test. Various trial mixes have been attempted in the laboratory by …
Published in International Journal of Concrete Technology · Vol. 9, Issue 2, 2023 · pp. 14–25 Read article
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Design of Battery Pack for Mahindra e2O: A Electric Vehicle (EV)
Abstract: In an effort to disprove the myth that hybrid motors are unaffordable, businesses are focusing on building cheap electric automobiles. Due to continuous transmission of mechanical vibration, exposure to high impact forces and also thermal runaway current Lithium-ion battery packs are prone to failure. To provide greater degree of protection against all of these great mechanical design and battery packaging can be done. Design elements like thermal barrier, selecting a …
Published in International Journal of Electrical Power System and Technology · Vol. 8, Issue 1, 2022 · pp. 50–56 Read article
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Toxicity Evaluation for accumulation of nanoparticles in biological system
Abstract: Recent years have seen an unprecedented growth in the field of nanotechnology. The application of nanotechnology has risen and now has become a technical necessity in almost every technical field be it medical, therapeutic, cosmetics, agriculture, forensic, defence and many more still to come. Nanotechnology in pharmaceutical application typically involves encapsulation of any drug in “Nano” sized carrier ranging from metallic, polymeric, quantum dots, silicon based, polymeric micelles, liposomes and …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 1–7 Read article
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A Brief Review on Optical Properties of Boron Carbon Oxy-Nitride: A Phosphor for Future Era
Abstract: Phosphors are generally inorganic materials which emit light when irradiated by different sources of energy. BCNO is an inorganic phosphor containing boron, carbon, nitrogen and oxygen which is mainly synthesized artificially. Quite lately, it has gained the reputation of being an inexpensive, non-toxic and Rare Earth (RE) ion free luminescence source, which can be used to generate white Light Emitting Diodes (LEDs) with persistent luminescence properties; and for its versatile …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 16–26 Read article
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Synthesis of Silver Nano Particles Using NaBH4 as Reducing Agent
Abstract: Silver nanoparticles (AgNPs) are one of the most vital and captivating nanomaterials between numerous metallic nanoparticles that are involved in various applications. In this paper, we briefly discuss the synthesis of AgNPs properties and application for the nanoparticles. The present work shows that the reduction of silver ions from AgNO3 to Ag occurs due reducing agent. The synthesized silver particles have been characterized by UV – Visible, TEM and XRD …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 1, 2019 · pp. 27–33 Read article
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A Review on Modified TiO2 Nanostructured Materials in DSSC
Abstract: Dye sensitized solar cells DSSCs emerged as a new class of low cost energy conversion devices with simple manufacturing procedures and environmentally friendly character.TiO2 controls the light harvesting and confinement properties of the cell, in addition to preventing charge recombination and promoting charge transport toward the anode. These last two parameters are major factors in determining the charge collection efficiency. The particle size and shape, crystallinity, surface morphology and chemistry …
Published in International Journal of Energetic Materials · Vol. 1, Issue 1, 2015 · pp. 10–21 Read article
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Investigations of Ruthenium an Energetic Material
Abstract: The energy of ruthenium catalyzed degradative oxidation of methylparaben by the copper complex, is researched at 30ºC and at an ionic strength of 60 × 10−3mol dm−3. In the presence of catalyst ruthenium(III), the reaction between methyl and diperiodatocuprate in aqueous alkaline medium exhibits 1:1 stoichiometry.
Published in International Journal of Energetic Materials · Vol. 2, Issue 1, 2016 · pp. 27–30 Read article
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Effects of Gate Oxide Thickness and Its Dielectric Strength in WS2 Based TMDFET
Abstract: This paper presents the numerical simulation of transition metal dichalcogenide based field effect transistor (TMDFET). Here we have studied the transfer characteristic, ION/IOFF ratio, subthreshold slope of TMDFET by varying oxide thickness and its dielectric strength dependence performance. The channel material used for field effect transistor is tungsten disulfide (WS2). To calculate the transfer (input) characteristics, we use Non Equilibrium Greens Function (NEGF). Results are achieved by solving the Poisson’s …
Published in International Journal of Energetic Materials · Vol. 5, Issue 1, 2019 · pp. 14–20 Read article