Sensor element for determining the oxygen content and a method o

Details Sensor element for determining the oxygen content and a method o Sensor element for determining the oxygen content and a method o

1986-07-14

1987-04-14

Swisher, Nancy

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 87, 436172, 436136, 524588, G01J 330, G01N 2126, G01N 2148, G01N 3316

Patent

active

046577360

ABSTRACT:
In an O.sub.2 sensor element which contains a fluorescent indicator substance, a polymerized silicone polymer is used as a carrier material in which the indicator substance is incorporated in solubilized form and in an at least approximately homogeneous distribution. Solubilization of the indicator substance may essentially be performed in analogy to Friedel-Crafts alkylation of aromatics, which will increase solubility of the indicator substance in the polymer carrier without affecting quenching behavior.

REFERENCES:
patent: 2907882 (1959-10-01), Patten
patent: 3612866 (1971-10-01), Stevens
patent: 3776761 (1973-12-01), Kato et al.
patent: 3881869 (1975-05-01), Neti et al.
patent: 4003707 (1977-01-01), Lubbers et al.
patent: 4349509 (1982-09-01), Yoshikawa et al.
patent: 4409277 (1983-10-01), Michel
patent: 4526752 (1985-07-01), Perlman et al.

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