hydrogen electrode

noun

1. a standard reference electrode with a potential of zero, used in pH measurements, consisting of a platinum-black surface covered with hydrogen bubbles.

Word History and Origins

Origin of hydrogen electrode¹

First recorded in 1895–1900

Example Sentences

The hydrogen electrode is connected with the negative post of the voltmeter, the oxygen electrode with the positive post.

From Project Gutenberg

Second, the plate so covered becomes in effect a hydrogen electrode, and hydrogen stands high as an electro-positive element.

From Project Gutenberg

Measurements made electrometrically with the hydrogen electrode have failed to demonstrate any increase in acidity.

From Project Gutenberg