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单词 potentiostat
释义

potentiostatn.

Brit. /pəˈtɛnʃɪə(ʊ)stat/, U.S. /pəˈtɛn(t)ʃioʊˌstæt/, /pəˈtɛn(t)ʃiəˌstæt/
Origin: Formed within English, by compounding. Etymons: potentio- comb. form, -stat comb. form1.
Etymology: < potentio- comb. form + -stat comb. form1.
Physical Chemistry.
A device for controlling or maintaining constant the potential difference between the electrodes in an electrochemical cell.
ΘΚΠ
the world > matter > chemistry > equipment or apparatus > [noun] > miscellaneous apparatus
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1942 A. Hickling in Trans. Faraday Soc. 38 27 The electrical circuit of the device, which will subsequently be referred to as a ‘potentiostat’, is shown in Fig. 1.
1949 Analyt. Chem. 21 497/1 The instrument..functions as a potentiostat in automatically maintaining the potential of a working electrode constant during an electrolysis.
1965 New Scientist 8 Apr. 99/1 These potentiostats..have a very rapid response to voltage fluctuations and now make the continuous control of commercial processes look very attractive.
1995 Chem. in Brit. Oct. 772/1 A new complete electrochemical laboratory..which comprises an electrochemical analyser and a combined signal generator and potentiostat.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.1942
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