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Accurate high current measurements require the use of devices which are difficult to calibrate since neither it is easy to obtain the current needed nor to set up a proper testing rig in the laboratory. Nevertheless, a straight wire carrying a high current can be replaced by an N-turn coil fed with an N-times lower current. In this paper, the uncertainty associated with the use of N-turn coils in...
In this paper, we propose the use of an electroanalytical technique based on the direct oxidation or reduction of the electroactive components of the sample on the surface of the working electrode, called voltammetry of immobilised microparticles (VMPs). The sample is easily deposited on the electrode by abrasion and then the electrode is transferred to the electrochemical cell where the square wave...
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