Measurement device for determining oxygen activity in metal...

Details Measurement device for determining oxygen activity in metal... Measurement device for determining oxygen activity in metal...

2007-01-30

2007-01-30

Nguyen, Nam (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S424000, C205S790000

Reexamination Certificate

active

10936255

ABSTRACT:
A measurement device is provided for determining the oxygen activity in molten metal or slag with a measurement head, which is arranged on one end of a carrier tube and on which an electrochemical measurement cell is arranged. The electrochemical measurement cell has a solid electrolyte tubule, which is closed on one side and which contains on its closed end a reference material and an electrode, which projects from the opposite end of the solid electrolyte tubule. The solid electrolyte tubule has on its outer surface a coating made from a mixture of zirconium silicate with a fluoride. The measurement head may also have a thermo-element, and the device may be used to determine the concentration of silicon and/or carbon in the melt, based on the oxygen activity measurement.

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