Process for the manufacture of a measuring probe for a measuring

Details Process for the manufacture of a measuring probe for a measuring Process for the manufacture of a measuring probe for a measuring

1988-10-12

1990-03-06

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

51319, 134 42, 156667, G01N 2758

Patent

active

049063499

ABSTRACT:
A measuring probe for a measuring head to detect the oxygen activity of metal melts has a reference substance of known oxygen activity, which upon submersion into the metal melt is separated from the metal melt by means of a refractory solid electrolyte that conducts electrons reliably and conducts primarily oxygen at higher temperatures and which permits the measurement of the electromotive force between the reference substance and a bath contact which makes contact with the metal melt. The surface of the solid electrolyte is subjected to a surface cleaning treatment, primarily by means of etching.

REFERENCES:
patent: 4318770 (1982-03-01), Chakupurakal
patent: 4327122 (1982-04-01), Chakupurakal
patent: 4493746 (1985-01-01), Reed
patent: 4575410 (1986-03-01), Neti et al.
Stahl U., Eisen 95 (1974) No. 12, S,547,51.
Ferrotron, Ferrotron Elektronik GmbH, issue 1, (1982).

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