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Expired pharmaceutical compounds cause environmental pollution which can lead to public health problems. Also, they represent economical problems for pharmaceutical companies because of high disposal costs.
Ahmad M. El-Desoky +2 more
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Polypyrrole Film Doped with Corrosion-Inhibitors Electropolymerized on AA 1100 [PDF]
Polypyrrole films doped with dodecylbenzenesulfonate (PPy/DBS) and with oxy-anions tungstate (PPy/DBS/TUN) and vanadate (PPy/DBS/VAN) were potentiostatically electropolymerized on aluminum alloy 1100 (AA1100).
Viviane Dalmoro +3 more
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Nitinol corrosion under force stresses in simulated physiological fluid with and without fluorides
Introduction: nickel-titanium (nitinol) wires may potentially corrode oral environments causing biocompatibility problems. The purpose of this study was to compare the behavior of corrosion of nitinol wires in artificial saliva with different levels of ...
Nerly Deyanira Montanez-Supelano +6 more
doaj +1 more source
Electrochemical characterization of chromate free conversion coatings on electrogalvanized steel [PDF]
The chromate conversion treatment is widely used, but it requires highly toxic chromic acid solutions with the consequent effluent disposal and ecological problems. The removal of these toxic chemicals is considered a priority within European Union.
C.R. Tomachuk +2 more
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Determining the Reaction Rate of Electrochemical Process for Purification of Polluted Water [PDF]
Aims Turbidity in higher than standard levels, indicates failure in the water treatment plant. An electrochemical disinfection process takes place through electricity transition between two or more electrodes.
Gadami F.MSc, +3 more
doaj
Electrochemical behavior of three CP titanium dental implants in artificial saliva
The electrochemical behavior of three titanium dental implants purchased on the Brazilian market was evaluated in artificial saliva using open-circuit potential measurements, electrochemical impedance spectroscopy and potentiodynamic polarization.
Norma Terumi Kadowaki +2 more
doaj +1 more source
Inhibition of X52 Corrosion in CO2-Saturated Brine by a Dialkyl-Diamide from Coffee Bagasse Oil
This work reports the performance of a green corrosion inhibitor with double hydrocarbon chain. The evaluated inhibitor was a dialkyl-diamide from coffee bagasse oil and its electrochemical behavior was evaluated on an API-X52 steel in CO2-saturated ...
N. B. Gomez-Guzman +4 more
doaj +1 more source
Corrosion Monitoring of Reinforced Concrete Structures - A Review
Reinforced concrete structures have the potential to be very durable and capable of withstanding a variety of adverse environmental conditions. However, failures in the structures do still occur as a result of premature reinforcement corrosion.
Ha-Won Song, Velu Saraswathy
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N,N-dihydroxyethyl-(5-methyl-[1,3,4] thiadiazol-2-sulfur)-carbonyl acetamide was synthesized and used as an inhibitor to protect Q235 carbon steel in a 1 M HCl solution.
Yuxin Zhou +5 more
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Influence of Zirconium on the Corrosion Passivation of Titanium in Simulated Body Fluid
Pure Ti and 85%Ti-15%Zr alloy were sintered in a heat induction high frequency furnace. The corrosion behaviour of Ti and 85%Ti-15%Zr in simulated body fluid (SBF) was studied.
Hamad F. Alharbi +2 more
doaj +1 more source

