Flexible high-temperature pH probe
Abstract
A flexible pH probe device is provided for use in hot water and other high temperature environments up to about 590.degree. F. The pH probe includes a flexible, inert tubular probe member, an oxygen anion conducting, solid state electrolyte plug located at the distal end of the tubular member, oxide powder disposed at the distal end of the tubular member; a metal wire extending along the tubular member and having a distal end in contact with the oxide powder so as to form therewith an internal reference electrode; and a compression fitting forming a pressure boundary seal around a portion of the tubular member remote from the distal end thereof. Preferably, the tubular member is made of polytetrafluoroethylene, and the solid state electrolyte plug is made of stabilized zirconia. The flexibility of the probe member enables placement of the electrode into the area of interest, including around corners, into confined areas and the like.
- Inventors:
-
- Scotia, NY
- Cambridge, MA
- Schenectady, NY
- Issue Date:
- Research Org.:
- KAPL Inc
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 921319
- Patent Number(s):
- 6551478
- Application Number:
- 09/828,209
- Assignee:
- The United States of America as represented by the Department of Energy (Washington, DC)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- AC12-76SN00052
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Bielawski, John C, Outwater, John O, and Halbfinger, George P. Flexible high-temperature pH probe. United States: N. p., 2003.
Web.
Bielawski, John C, Outwater, John O, & Halbfinger, George P. Flexible high-temperature pH probe. United States.
Bielawski, John C, Outwater, John O, and Halbfinger, George P. Tue .
"Flexible high-temperature pH probe". United States. https://www.osti.gov/servlets/purl/921319.
@article{osti_921319,
title = {Flexible high-temperature pH probe},
author = {Bielawski, John C and Outwater, John O and Halbfinger, George P},
abstractNote = {A flexible pH probe device is provided for use in hot water and other high temperature environments up to about 590.degree. F. The pH probe includes a flexible, inert tubular probe member, an oxygen anion conducting, solid state electrolyte plug located at the distal end of the tubular member, oxide powder disposed at the distal end of the tubular member; a metal wire extending along the tubular member and having a distal end in contact with the oxide powder so as to form therewith an internal reference electrode; and a compression fitting forming a pressure boundary seal around a portion of the tubular member remote from the distal end thereof. Preferably, the tubular member is made of polytetrafluoroethylene, and the solid state electrolyte plug is made of stabilized zirconia. The flexibility of the probe member enables placement of the electrode into the area of interest, including around corners, into confined areas and the like.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 22 00:00:00 EDT 2003},
month = {Tue Apr 22 00:00:00 EDT 2003}
}
Works referenced in this record:
A New Membrane-Type pH Sensor for Use in High Temperature-High Pressure Water
journal, January 1980
- Niedrach, Leonard W.
- Journal of The Electrochemical Society, Vol. 127, Issue 10, p. 2122-2130