FUNCTIONALIZATION OF TUNGSTEN ELECTRODES USED IN WELDING (TIG PROCESS) FOR A NEW USE AS A PH SENSOR.

MX2024014123APending Publication Date: 2026-06-01CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL IPN (CINVESTAV)
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Patent Information

Authority / Receiving Office
MX · MX
Patent Type
Applications
Current Assignee / Owner
CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL IPN (CINVESTAV)
Filing Date
2024-11-14
Publication Date
2026-06-01
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Abstract

The functionalization of tungsten electrodes (and tungsten doped with rare earth oxides) for inert gas welding (TIG) is described, by forming two coatings, one of oxide by exposure to the oxy-acetylene flame in atmospheric air and the second with heat-shrinkable polytetrafluoroethylene (PTFE) for their use in pH measurement, providing reliable, accessible and economical measuring electrodes.
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