potentiometryn.

Brit.

/pəˌtɛnʃɪˈɒmᵻtri/, U.S.

/pəˌtɛn(t)ʃiˈɑmətri/

Origin: Formed within English, by compounding. Etymons: potentio- comb. form, -metry comb. form.

Etymology: < potentio- comb. form + -metry comb. form, after potentiometer n. Compare French potentiométrie (1922).

Science.

The measurement of potential differences or electromotive forces by means of a potentiometer, esp. in electrochemistry.

ΘΚΠ

the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > potentiometry

potentiometry1946

the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > measurement of

potentiometry1946

1916 Jrnl. Amer. Chem. Soc. 38 2401 When a storage battery of constant voltage is used as a source of actuating current the alternating current obtained has a voltage steady enough for alternating current potentiometry.

1946 L. Michaelis in A. Weissberger Physical Methods Org. Chem. II. xxii. 1052 Potentiometry consists of the measurement of the electromotive force of a galvanic cell composed of two half-cells one of which is a reference half-cell of known composition; and the other an electrode immersed in the solution to be investigated.

1966 J. A. Elvidge & P. G. Sammes Course Mod. Techniques Org. Chem. (ed. 2) xxxiv. 284 Potentiometry makes possible the titration of very weak acids and bases.

1999 Water & Waste Treatm. Sept. 101/4 (advt.) Each [water] analyser uses one of a combination of technologies such as colorimetry, spectrophotometry, titrimetry, nephelometry, potentiometry, amperometry.

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	potentiometry
释义	potentiometryn. Brit. /pəˌtɛnʃɪˈɒmᵻtri/, U.S. /pəˌtɛn(t)ʃiˈɑmətri/ Origin: Formed within English, by compounding. Etymons: potentio- comb. form, -metry comb. form. Etymology: < potentio- comb. form + -metry comb. form, after potentiometer n. Compare French potentiométrie (1922). Science. The measurement of potential differences or electromotive forces by means of a potentiometer, esp. in electrochemistry. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > potentiometry potentiometry1946 the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > measurement of potentiometry1946 1916 Jrnl. Amer. Chem. Soc. 38 2401 When a storage battery of constant voltage is used as a source of actuating current the alternating current obtained has a voltage steady enough for alternating current potentiometry. 1946 L. Michaelis in A. Weissberger Physical Methods Org. Chem. II. xxii. 1052 Potentiometry consists of the measurement of the electromotive force of a galvanic cell composed of two half-cells one of which is a reference half-cell of known composition; and the other an electrode immersed in the solution to be investigated. 1966 J. A. Elvidge & P. G. Sammes Course Mod. Techniques Org. Chem. (ed. 2) xxxiv. 284 Potentiometry makes possible the titration of very weak acids and bases. 1999 Water & Waste Treatm. Sept. 101/4 (advt.) Each [water] analyser uses one of a combination of technologies such as colorimetry, spectrophotometry, titrimetry, nephelometry, potentiometry, amperometry. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1916
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