Tube cell for atomic absorption spectrophotometry

Details Tube cell for atomic absorption spectrophotometry Tube cell for atomic absorption spectrophotometry

1986-11-03

1987-11-24

Evans, F. L.

Optics: measuring and testing

Sample, specimen, or standard holder or support

356312, G01N 2174

Patent

active

047084782

ABSTRACT:
A tube cell for flameless atomic absorption spectrophotometry has a transverse cross-section with the portion above a longitudinally extending line midway between the top and bottom of the tube cell having a smaller cross-sectional area than the portion below that line. The tube cell has an elongated aperture formed close to the bottom of the tube cell for inserting a probe or platform carrying a sample to be analyzed. The cross-section of the tube cell is shaped to maximize the size of the probe which can be used, and accordingly, the sample volume, while keeping the total cross-sectional area to a minimum in order to maximize chemical sensitivity. A number of different cross-sectional shapes are described including a triangular cross-section.

REFERENCES:
patent: 4111563 (1978-09-01), Tamm
patent: 4202628 (1980-05-01), Koizumi et al.
patent: 4204769 (1980-05-01), Lersmacher et al.
patent: 4303339 (1981-12-01), Glaser et al.
patent: 4537506 (1985-08-01), Lersmacher et al.

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