acidic solutions
Valence Stabilization of Polyvalent Uranium Ions in Presence of Some Organic Additives during Extended Gamma Irradiation of Their Aqueous Acidic Solutions
... aqueous solutions normally involves formation of primary water radiolysis products which can effectively interact with the existing chemical species in the irradiated ...aqueous acidic solutions when ...
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← Return to Article Details THE INHIBITION OF STEEL CORROSION IN ACIDIC SOLUTIONS BY A NEW SCHIFF BASE
... organic molecules which are adsorbed on the SS surface, so that metal dissolution is blocked [13, 14]. As know that nitrogen atom in molecule can be easily protonated in acidic solutions [15]. This ...
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New Synthesized Guanidine Derivative as a Green Corrosion Inhibitor for Mild Steel in Acidic Solutions
... It has already been observed that the extent of adsorption of the amine is influenced by the nature of anions in acidic solutions [13]. The specific adsorption of anions is expected to be more pronounced ...
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Effect of Surface Roughness on the Corrosion Behavior of Pure Iron in Acidic Solutions
... The effect of surface roughness on the corrosion behavior of pure iron in acidic solutions (hydrochloric and sulfuric acids) in the absence and presence of molybdate ions was thoroughly investigated. ...
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Magnetic Characterization of Hypervalent Chromium Intermediates in the Reduction of Chromium(VI) by Glutathione in Acidic Solutions
... Chromium (VI) is carcinogenic through intermediates formed in the cellular milieu by reduction with small reductants like glutathione (GSH), ascorbate (As), cysteine (Cys) and NADPH. Although the reduction of chromate by ...
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Inhibitive Effect of L-Lysine on the Corrosion of Mild Steel in Acidic Solutions
... Organic inhibitors are commonly used to inhibit the corrosion of metals in aggressive media, especially in acidic solutions. However, most of organic inhibitors are synthetic chemicals, expensive and very ...
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Temperature Effects on the Corrosion Inhibition of Mild Steel in Acidic Solutions by Aqueous Extract of Fenugreek Leaves
... the studied range of temperatures showing that the corrosion inhibition of mild steel in such solutions proceeds by chemical adsorption for the studied inhibitor species on the metal surface. This observation is ...
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Fabrication of Copper Oxide Thin Films by Galvanostatic Deposition from Weakly Acidic Solutions
... a Film thicknesses of copper oxide films versus pH, deposited with a current density of −10 mA/cm² and deposition time of 20s.. b Film thicknesses obtained at different current densities[r] ...
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Studies on the inhibition of corrosion of carbon steel in acidic solutions using some thiosemicarbazide derivatives
... in acidic medium by weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and electrochemical frequency modulation (EFM) ...
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Electrochemical and impedance characterization of passive films on niobium in alkaline and acidic solutions
... In this work electrochemical characterization of the anodic passive films formed on Nb in alkaline (0.1 – 5 M KOH) and acidic solution (H 2 SO 4 ) was carried out by cyclic voltammetry [r] ...
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Pantoprazole Sodium as a Corrosion Inhibitor for Zinc in Acidic Solutions
... aqueous solutions and a number of organic and inorganic compounds were reported to suppress the acid corrosion of zinc [2- ...aqueous solutions of ...
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The Electrochemical Behavior of 15-5PH Stainless Steel in Acidic Solutions
... current rapidly corroded the metal and created the pits[8,9]. X.L. Zhou studied 15-5PH aging at H925, and results showed that the electrochemical impedance magnitude and the impedance module declined with the immersion ...
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Abstracts158-163
... Experimental Activation Energies for Oxygen Evolution Reaction on Transi- tion Metal Oxide Electrodes in Acidic Solutions.. The activation energies for the 0, evolut[r] ...
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[(CH3)2NH2]4[H4PMo12O40]Cl2·4H2O
... aqueous acidic solutions leads to a stable heteropoly blue isomeric -anion (Fruchart & Souchay, 1968). However, the conclusion had not been structurally proved until 1985 (Barrows et al., 1985). The ...
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Acetonitrile Adsorption on Pt Single-Crystal Electrodes and Its Effect on Oxygen Reduction Reaction in Acidic and Alkaline Aqueous Solutions
... in acidic solutions, it can be observed that hydrogen adsorption/desorption region is practically blocked since no signals are observed between ...in acidic solutions, two anodic peaks appear ...
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N-[AMIDO] Substituted Pyrazole Compound used as Corrosive Inhibitor for Mild Steel in Acidic Environment
... weldability. Acidic solutions are extensively used in chemical laboratories and in several industrial processes such as acid pickling, acid cleaning, acid rescaling and oil wet cleaning ...of acidic ...
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EFFECT OF LEMON AND TAMARIND ON THE COOKING TIME, PHYSICO-CHEMICAL AND FUNCTIONAL CHANGES DURING PRODUCTION OF PRECOOKED MACABO (XANTHOSOMA SAGITTIFOLIUM) FLOURS
... In the same way, adhesiveness (the faculty of a product to adhere to a surface) tubers increase during cooking (figure 9). This increase would be bound both to the increase of water contents and the secretion of ...
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The Inhibition of Carbon Steel Corrosion in Hydrochloric Acid Solution using Some Phenolic Compounds
... in acidic solutions (hydrochloric acid solution) by weight loss method, by potentiodynamic polarization method and by electrochemical impedance, the effect of addition of different salts like KI, KSCN and ...
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Acids-Bases I.pptx
... When covalent oxides dissolve in water, acidic solutions form.. 14.10 Acid-Base Properties of Oxides[r] ...
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Stability Study of Tetracycline Drug in Acidic and Alkaline Solutions by Colorimetric Method
... Acidic solutions: four types of tetracycline solutions were prepared. The first two types were prepared by dissolving 10mg of tetracycline powder in 50ml of 0.01N of hydrochloric acid solution (TL ...
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