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The Government of Canada’s terminology and linguistic data bank.
noble metal [2 records]
Record 1 - internal organization data 2005-11-29
Record 1, English
Record 1, Subject field(s)
- Metallurgy - General
- Metals Mining
Record 1, Main entry term, English
- noble metal
1, record 1, English, noble%20metal
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- precious metal 2, record 1, English, precious%20metal
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A metal with marked resistance to chemical reaction, particularly to oxidation and to solution by inorganic acids. 2, record 1, English, - noble%20metal
Record 1, French
Record 1, Domaine(s)
- Métallurgie générale
- Mines métalliques
Record 1, Main entry term, French
- métal noble
1, record 1, French, m%C3%A9tal%20noble
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- métal précieux 2, record 1, French, m%C3%A9tal%20pr%C3%A9cieux
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Métal qui possède une très bonne résistance au titre des réactions chimiques, en particulier vis-à-vis de l'oxydation et de l'attaque par des solutions à base d'acides minéraux. 3, record 1, French, - m%C3%A9tal%20noble
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1997-12-18
Record 2, English
Record 2, Subject field(s)
- Electrometallurgy
- Electrolysis (Electrokinetics)
Record 2, Main entry term, English
- noble metal
1, record 2, English, noble%20metal
correct, standardized
Record 2, Abbreviations, English
Record 2, Synonyms, English
- precious metal 1, record 2, English, precious%20metal
correct, see observation
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A metal with a high positive electrode potential as compared with that of the normal hydrogen electrode. A metal is called nobler than another if it can be displaced from its solution by the latter. 1, record 2, English, - noble%20metal
Record number: 2, Textual support number: 1 OBS
Examples: copper is nobler than zinc, and gold is nobler than copper or zinc. 1, record 2, English, - noble%20metal
Record number: 2, Textual support number: 2 OBS
In order to avoid any confusion concerning the sign of electrode potentials, the words "noble" and "base" are often preferred because they are unambiguous. For practical electroplating purposes, "noble metal" is often used as a synonym for "precious metal". In general, a nobler metal provides a better resistance to corrosion and chemical attack than a less noble metal. Nevertheless, it is frequently impossible - owing to several intervening effects, such as the formation of surface oxide layers - to predict the behaviour of a metal against corrosion on the strength of electrode potential alone. 1, record 2, English, - noble%20metal
Record number: 2, Textual support number: 3 OBS
noble metal: Term and definition standardized by ISO. 2, record 2, English, - noble%20metal
Record 2, French
Record 2, Domaine(s)
- Électrométallurgie
- Électrolyse (Électrocinétique)
Record 2, Main entry term, French
- métal noble
1, record 2, French, m%C3%A9tal%20noble
correct, masculine noun, standardized
Record 2, Abbreviations, French
Record 2, Synonyms, French
- métal précieux 1, record 2, French, m%C3%A9tal%20pr%C3%A9cieux
correct, see observation, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Métal ayant un potentiel d'électrode positif élevé par rapport à l'électrode normale à hydrogène. Un métal est dit plus noble qu'un autre s'il peut être déplacé de sa solution par ce dernier. 1, record 2, French, - m%C3%A9tal%20noble
Record number: 2, Textual support number: 1 OBS
Exemples: le cuivre est plus noble que le zinc; I'or est plus noble que le cuivre ou le zinc. 1, record 2, French, - m%C3%A9tal%20noble
Record number: 2, Textual support number: 2 OBS
Afin d'éviter toute confusion relative au signe des potentiels d'électrodes, les qualificatifs «noble» et «commun» sont souvent utilisés parce qu'ils ne sont pas ambigus. En pratique, «métal noble» est souvent utilisé comme synonyme de «métal précieux». En général, un métal plus noble présente une résistance plus élevée à la corrosion et à l'attaque chimique qu'un métal moins noble. Néanmoins, par suite de l'intervention de divers facteurs tels que, par exemple, la formation de couches superficielles d'oxydes, il est souvent impossible de prévoir le comportement d'un métal envers la corrosion uniquement sur la base de son potentiel d'électrode. 1, record 2, French, - m%C3%A9tal%20noble
Record number: 2, Textual support number: 3 OBS
métal noble : Terme et définition normalisés par l'ISO. 2, record 2, French, - m%C3%A9tal%20noble
Record 2, Spanish
Record 2, Textual support, Spanish
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