Detector cell

Details Detector cell Detector cell

1991-11-22

1997-02-04

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 8208, 422 8209, 356246, 356440, G01N 2129, G01N 2164

Patent

active

055995039

ABSTRACT:
A miniaturized detector cell (4) having a measuring chamber volume of 25 fl-1 .mu.l is described. In spite of its miniaturized construction, the detector cell has an optical path length of about 0.1-100 mm. The incident measuring light (R) is repeatedly reflected at the inner walls (23, 25, 26) of the interaction region (21 ) before it leaves the detector cell (4) again. In a preferred manner, the detector cell (4) is manufactured from silicon or quartz by photolithographic means.

REFERENCES:
patent: 3810695 (1974-05-01), Shea
patent: 4074940 (1978-02-01), Tarbet
patent: 4243883 (1981-01-01), Schwarzmann
patent: 4405235 (1983-09-01), Rossiter
patent: 4471647 (1984-09-01), Jerman et al.
patent: 4823168 (1989-04-01), Kamahori et al.
patent: 4908112 (1990-03-01), Pace
patent: 4989974 (1991-02-01), Anton et al.
patent: 5034194 (1991-07-01), Miller et al.
Yeung et al., Analytical Chemistry, vol. 58, No. 12 (1986) pp. 1237A-1256A.
Xi et al., Analytical Chemistry, vol. 62 (1990) pp. 1580-1585.

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