pH electrode

pH electrode

[‚pē′āch i′lek‚trōd]
(analytical chemistry)
Membrane-type glass electrode used as the hydrogen-ion sensor of most pH meters; the pH-response electrode surface is a thin membrane made of a special glass.
References in periodicals archive ?
A pH electrode and gamma detector were accurately positioned 5 cm above the cardia.
As much as 25 mL of each energy drink was placed in a beaker, the pH electrode was immersed into each drink and the reading recorded.
The PH12 sensor family is available in the PEEK or a glass body, either of which is available with a high-performing flat, ruggedized glass pH electrode or a domed pH electrode.
The pH electrode is an active transducer requiring energy for its operation.
The following specification must be made: the measurements cannot be effected on the integral blood, because the existing "residues" (including the red cells) load the pH electrode membrane.
The glass pH electrode (Revsbech & Jorgensen 1986) received the pH signal over the length of a 400-[micro]m tip that tapered from 10-[micro]m (distal) to 40-[micro]m (proximal) diameter.
The most common method for pH measurement uses a pH electrode.
The meter uses a double-junction pH electrode and a combined conductivity/TDS probe with a temperature sensor, both of which are plug-ins for easy replacement.
21) were titrated having both a glass pH electrode and conductivity electrodes or both a glass pH electrode and an ISEFET pH sensor simultaneously monitoring the system.
Honeywell has added two offerings to its "DirectLine" series of sensors--the "Meredian II" glass pH electrode and the Meredian II ORP" (Oxidation Reduction Potential) electrode.