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7 articles for “nitric acid”
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Production of Nitric Acid and its Stimulation
Abstract: Nitric acid has been known and regarded for quite a while. Most nitric acid is utilized as a part of making ammonium nitrate. Its immediate applications incorporate photoengraving, metal pickling and passivation and the separating substance of gold and silver. Here the Oswald procedure is utilized to create nitric acid. This procedure is mimicked utilizing HYSYS recreation programming. The reason for this reproduction was to watch the thermodynamic properties of …
Published in International Journal of Composite and Constituent Materials · Vol. 2, Issue 1, 2016 · pp. 7–9 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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Study of Mechanical Properties of Aluminum Nanocomposites using Auto Ignition Technique
Abstract: Al2O3 - high ZrO2 nanocomposite was synthesized by auto-ignition technique using metal nitrate and citric acid with a ratio of citrate: nitrate equal to 1:1.5. The precursor zirconium oxynitrite was derived from precipitation of zirconium oxycloride followed by dissolution of gel in nitric acid. The thermal decomposition behaviour of the gel was studied in order to study the decomposition behaviour and to determine the crystallization temperature. The effect of calcination …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 36–42 Read article
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Nanocoating and Electrospraying Techniques Used for Corrosion Mitigation of Aluminum in Nitrogen dioxide Environment
Abstract: Nitrogen gas absorbs moist air to produce nitric acid. It develops acidic medium for aluminum. It forms a corrosion cell on the surface of aluminum. The formation of corrosion cell is written as: Al|Al+3||H+|H2 thus Corrosion reactions accelerate on aluminum surface and Al is oxidized into Al+3 and the H+ ions is reduced into H2. This acid produces various forms of corrosion in aluminum like galvanic, pitting, stress, crevice, blistering, …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 2, 2020 · pp. 20–31 Read article
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Significance of RDX – A Highly Explosive Energetic Material
Abstract: Plastic demolition explosives containing RDX and PETN as major energetic components. Torpex: 42% RDX, 40% TNT, and 18% powdered aluminium. The mixture was designed during World War II and used mainly in underwater ordnance. It is made from other chemicals known as hexamine, ammonium nitrate, nitric acid, and acetic acid. A small amount of HMX is also formed in making cyclotrimethylene-trinitramine (RDX), another explosive similar in structure to HMX. Composition …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 23–26 Read article
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The Metallurgical Properties of Beryllium
Abstract: Beryllium is a toxic bivalent element, steel gray, strong, light-weight, primarily used as hardening agent in alloys. Beryllium has one of the highest melting points of the light metals. It has excellent thermal conductivity, is nonmagnetic, it resists attack by concentrated nitric acid and at standard temperature and pressures beryllium resist oxidation when expose to air. Keywords: Beryllium, metallurgical properties, applications, uses
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 1–3 Read article
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A Predictive Model on Pipeline Corrosion
Abstract: A comprehensive mathematical model is developed to predict corrosion rates in pipeline. The specimenused for this design is coupons (mild steel). Four containers with different solvents of 0.5 concentrationof nitric acids, 0.5 concentration of HCl, fresh water, and saltwater respectively were provided, andthe four paired coupons were placed inside the solvent for seven days. Each day, the coupons wereremoved, washed, dried, weighed, and placed back into the solvent. The result …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 1, 2021 · pp. 17–26 Read article