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Naoh solution

Vitex negundo leaves extract as green inhibitor for the corrosion of aluminium 1N NaOH solution

Vitex negundo leaves extract as green inhibitor for the corrosion of aluminium 1N NaOH solution

... The present work investigates corrosion inhibition of aluminium in 1N NaOH solution in presence of Vitex negundo (VNL) leaves extract as green corrosion inhibitor by using chemical and electrochemical ...

9

Corrosion Behavior of Nickel Electrode in NaOH Solution and Its Inhibition by Some Natural Oils

Corrosion Behavior of Nickel Electrode in NaOH Solution and Its Inhibition by Some Natural Oils

... in NaOH solution was investigated using open circuit potential measurements, galvanostatic, and potentiostatic polarization ...densities, NaOH concentration, Cl - anions, and some natural oils ...M ...

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Electrooxidation of Phenol on PtRh and PtRu Alloys in 0.1 M NaOH Solution

Electrooxidation of Phenol on PtRh and PtRu Alloys in 0.1 M NaOH Solution

... electrodes, in contact with 0.1 M NaOH solution, is shown in Fig. 3 and Table 1. Thus, for the examined potential range 800-1600 mV, the impedance spectra exhibit single partial, somewhat depressed ...

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Stem Extract of Brahmi (Bacopa monnieri) as Green Corrosion Inhibitor for Aluminum in NaOH Solution

Stem Extract of Brahmi (Bacopa monnieri) as Green Corrosion Inhibitor for Aluminum in NaOH Solution

... M NaOH solution prepared from analytical-reagent-grade NaOH (MERCK) and bidistilled ...Stock solution of Bacopa monnieri was extracted by reflux of 100 g of the dried material in 500 mL ...

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The Effects of Inula viscosa Extract on Corrosion of Copper in NaOH Solution

The Effects of Inula viscosa Extract on Corrosion of Copper in NaOH Solution

... The plot of weight loss (mg) of copper coupon versus inhibitor volume for 60 min immersion period at different temperatures is shown in figure-1. Weight loss as a function of inhibitor volumes decreased gradually. This ...

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Corrosion Performance of Fe-Al Intermetallic Coatings in 1.0 M NaOH Solution

Corrosion Performance of Fe-Al Intermetallic Coatings in 1.0 M NaOH Solution

... The corrosion resistance of the coatings was evaluated by potentiodynamic polarization testing, measurement of open circuit potential (Ecorr) and linear polarization resistance (LPR). A three- electrode electrochemical ...

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The effect of tantalum addition on the corrosion behavior of W-xTa alloys in 1 M NaOH solution

The effect of tantalum addition on the corrosion behavior of W-xTa alloys in 1 M NaOH solution

... The role of tantalum addition on the corrosion behavior of the sputter–deposited nanocrystalline and amorphous W–xTa (x=8–77) alloys was studied in 1 M NaOH solution open to air at 25°C using corrosion ...

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Electrochemical Behavior of NiAl and Ni3Al Intermetallic Coatings in 1.0 M NaOH Solution

Electrochemical Behavior of NiAl and Ni3Al Intermetallic Coatings in 1.0 M NaOH Solution

... by thermal spraying powder and HVOF (High Velocity Oxygen Fuel) processes. Coatings were characterized by scanning electron microscopy and their characteristics are described as a function of particle size and coating ...

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Impacts of CaO solid particles in carbon dioxide absorption process from ship emission with NaOH solution

Impacts of CaO solid particles in carbon dioxide absorption process from ship emission with NaOH solution

... pure NaOH solution and mixed NaOH solution with CaO solid ...of NaOH solution is 1 mol/L, the total volume is 3 L, and CaO’s weight is ...

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Sonochemical Synthesis of Zeolite A from Metakaolinite in NaOH Solution

Sonochemical Synthesis of Zeolite A from Metakaolinite in NaOH Solution

... Sonochemical synthesis of zeolite A has been conducted by ultrasonic irradiation of mixtures of metakaolinite and NaOH solution. The hydrothermal synthesis at conventional synthesis conditions was ...

5

Hydrogen Evolution Reaction at Pd-Modified Nickel-Coated Carbon Fibre in 0.1 M NaOH Solution

Hydrogen Evolution Reaction at Pd-Modified Nickel-Coated Carbon Fibre in 0.1 M NaOH Solution

... The present paper reports on an electrochemical impedance study of hydrogen evolution reaction (HER), carried-out on “as received” and Pd-modified nickel-coated carbon fibre (NiCCF) materials. The HER was examined in 0.1 ...

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Effect of Surface Modification by Aqueous NaOH Solution on Bond Strength of Solid State Bonded Interface of Al

Effect of Surface Modification by Aqueous NaOH Solution on Bond Strength of Solid State Bonded Interface of Al

... 5% NaOH solution for 30 s with the solution temperature fixed at around 373 ...of NaOH (aq) on the aluminum surface, after boiling a 10-µm- thick aluminum foil in NaOH (aq) for 30 s, we ...

6

Electrochemical synthesis of PbTe in NaOH solution

Electrochemical synthesis of PbTe in NaOH solution

... Cu substrate. Xiao demonstrated that when OPD occurred in acidic solution, the content of Pb in PbTe film would exceed 50%.[29] The content of Pb in PbTe film decreased in our study, then increased in a wider ...

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An investigation of the NO3- concentration effect on lead anodic electrochemical behavior in NaOH solution

An investigation of the NO3- concentration effect on lead anodic electrochemical behavior in NaOH solution

... The electrochemical behavior of lead in various aqueous media has attracted considerable attention from many investigators due to the instructive role of lead application in different areas, such as lead acid batteries, ...

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Fabrication and Investigation of Mechanical Properties Hemp Fiber Rienforced Polyester Composites

Fabrication and Investigation of Mechanical Properties Hemp Fiber Rienforced Polyester Composites

... with NaOH solution the flexural properties are improved compared to the permanganate treated and unread fiber reinforced composite with the increase in the concentration of NaOH there is a decrease ...

5

IJEDR1704239 International Journal of Engineering Development and Research ( www.ijedr.org1502

IJEDR1704239 International Journal of Engineering Development and Research ( www.ijedr.org1502

... with NAOH solution and the fibers reinforced with polypropylene resin and carbon fiber reinforced with epoxy resin respectively in a matrix form to prepare composite laminates to determine mechanical ...

10

A Simple Approach for Synthesizing of Fluorescent Carbon Quantum Dots from Tofu Wastewater

A Simple Approach for Synthesizing of Fluorescent Carbon Quantum Dots from Tofu Wastewater

... and NaOH solution, ...a solution of the environmental problem caused by the wastewater but also promising for simple and low- cost mass production of CQDs for bio- and optical appli- ...

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Adsorption of Methylene Blue from aqueous solution by raw and NaOH- modified date fruit waste

Adsorption of Methylene Blue from aqueous solution by raw and NaOH- modified date fruit waste

... The FTIR spectra of DFW and N-DFW are presented in Fig. 1. As shown in the figure, after alkali modification of DFW, a large decrease in the intensity of some absorption bands were occurred, which indicates a change in ...

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