glass e·lec·trode

a thin-walled glass bulb containing a standard buffer solution, quinhydrone, and a platinum wire; when immersed in an unknown solution, a potential difference develops that varies with the pH of the unknown solution; this difference can be made to give the pH; used in pH meters.

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References in periodicals archive

The angular coefficient (slope) of the glass electrode response was determined in the same conditions of the work (ionic strength and THF percentage), being aliquots of 20.0 mL of 0.10 mol [L.sup.-1] HCl[O.sub.4] titrated with a 0.50 mol [L.sup.-1] NaOH standard solution.

Potentiometric Study of Azide Complexes of Iron(III) in Water/THF Medium

The pH measurements of the buffer solution used as supporting electrolyte were performed in a combined glass electrode (ION, model pHB - 500) connected to a digital pH meter (Elektron, model E65-1).

Synthesis and preliminary characterization of manganese 3,4-(methylenedioxi)cinnamate compound: a simple approach to improve electroanalytical application after incorporation to the carbon paste electrode

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