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
doaj +1 more source
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
doaj +1 more source
Electrochemical Sodiation and Desodiation of Gallium
This study demonstrates the electrochemical sodiation and desodiation of gallium (Ga). A variety of techniques including galvanostatic cycling, cyclic voltammetry, as well as ex situ and in situ powder X-ray diffraction were used to determine the ...
Kullgren, Jolla +7 more
core +1 more source
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
doaj +1 more source
Noninvasive Solution for Electrochemical Impedance Spectroscopy on Metallic Works of Art [PDF]
Metallic works of art of cultural relevance are continuously subjected to corrosion as the environment becomes increasingly polluted. A fast and simple method to in situ assess the conservation conditions is therefore required.
Parvis, Marco +5 more
core +1 more source
Electrochemical Behavior of Magnetron-Sputtered Al–Cu Alloy Films in Sulfate Solutions [PDF]
Model alloys, generated by magnetron sputtering, have been employed to understand the role of copper on the corrosion behavior of aluminum alloys. Binary Al–Cu alloys, with copper contents between 0 and 100 atom %, were synthesized with well-controlled ...
Blanc, Christine +6 more
core +1 more source
Determination of ascorbic acid by electrochemical techniques and other methods [PDF]
Ascorbic acid (AA) is a water-soluble vitamin essential in the human nutrition, an antioxidant, a scavenger of free radicals in biological systems and a cofactor of several enzymes.
Mlček, Jiří +5 more
core +1 more source
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

