Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1987-04-17
1991-08-13
Simmons, David A.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 8209, 422 88, 422 90, 422 91, 356402, 356416, 356445, 356446, 250216, 250574, G01N 3100
Patent
active
050394908
ABSTRACT:
Due to the size of the devices used for the excitation and measuring of light, conventional sensor elements for optically determining the concentrations of substances contained in gaseous and liquid samples, featuring an indicator layer with one or more indicator substances, are not well suited for use with microanalysis equipment, nor are they easy to mass-produce. These disadvantages are eliminated by using a unitary sensor element having a carrier layer, at least one photosensitive element with electric contact leads in contact with the carrier layer, and an indicator layer containing an indicator substance.
REFERENCES:
patent: 3625756 (1971-12-01), Taguchi
patent: 3676820 (1972-07-01), Taguchi
patent: 4324760 (1982-04-01), Harris
patent: 4324761 (1982-04-01), Harris
patent: 4568518 (1986-02-01), Wolfbeis et al.
Karpf Hellfried
Kroneis Herbert
Leitner Alfred
List Helmut
Marsoner Hermann
AVL AG
Dang Thi
Simmons David A.
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