Measuring and testing – Gas analysis – By vibration
Patent
1996-04-04
1999-02-02
Brock, Michael
Measuring and testing
Gas analysis
By vibration
73 6149, 422 88, 422 69, G01N 1116
Patent
active
058667989
ABSTRACT:
The crystal oscillator sensor is provided with a coating comprising a polymer having olefinic side groups. The coating polymer used is, for example, substituted polyacrylate, polymethacrylate, polystyrene or polyester. The sensor is suitable for detecting ozone.
REFERENCES:
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patent: 3778229 (1973-12-01), Webster et al.
patent: 3864324 (1975-02-01), Yukuta et al.
patent: 4243631 (1981-01-01), Ryerson
patent: 5076094 (1991-12-01), Frye et al.
patent: 5185129 (1993-02-01), Koutrakis et al.
Analytical Chemistry, Band 57, Nr.,3, 1985, H.M. FOG "Piezolectric Crystal Detector for the Monitoring of Ozone in Working Envioments" Seiten 2634-2638.
Feucht Gernot
Frank George
Schonfeld Axel
Brock Michael
Hoechst Aktiengesellschaft
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