électrode de référence
61bipolar needle electrode — a needle electrode consisting of two insulated wires inside a single cylinder, with neither one acting as the reference electrode; variations in voltage can be noted between the areas the wires touch …
62calomel electrode — an electrode capable of both collecting and giving up chloride ions in neutral or acidic aqueous media, consisting of mercury in contact with mercurous chloride; used as a reference electrode in pH measurements …
63concentric needle electrode — a recording electrode consisting of an insulated metal wire inside a hollow stainless steel cannula; differences in potential are measured using the needle shaft as reference and the wire tip as the exploring electrode …
64monopolar needle electrode — a needle electrode consisting of a single piece of stainless steel wire coated with insulating material except at the tip; it must be accompanied by another electrode as a reference …
65calomel electrode — Physical Chem. a reference electrode consisting of calomel, mercury, and a solution of potassium chloride. * * * …
66hydrogen electrode — a standard reference electrode with a potential of zero, used in pH measurements, consisting of a platinum black surface covered with hydrogen bubbles. [1895 1900] * * * …
67calomel electrode — noun A reference electrode or half cell consisting of mercury, mercurous chloride and potassium chloride; used in pH meters and voltmeters …
68recording electrode — an electrode used to measure electric potential change in body tissue; for recording, two electrodes must be used, the exploring e. and the reference e. (qq.v.) …
69Électrodes — Électrode La pile de Volta : le zinc à l anode est consommé en libérant des électrons qui alimentent le circuit électrique. Une électrode est un conducteur métallique, ou ionique (ex. verre) relié à une demi pile ou faisant partie d une demi …
70analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
