Microsample holder and carrier therefor

Details Microsample holder and carrier therefor Microsample holder and carrier therefor

1985-05-31

1987-07-28

Evans, F. L.

Optics: measuring and testing

Sample, specimen, or standard holder or support

356246, 435300, 422102, G01N 2103, C12M 118

Patent

active

046828907

ABSTRACT:
A carrier for use with a microsample holder is described for use in horizontal beam spectrophotometers in place of conventional cuvette supports that normally are used with such spectrophotometers and that carry a plurality of cuvettes and include one or more windows through which the beam passes to samples in the cuvettes. The carrier is formed with a generally rectangular base having a slotted top wall to which a pair of slotted arms is secured at its opposite ends. The arms extend upward from the top wall of the base such that the height of the carrier is substantially equal to the height of the conventional cuvette support, and the slots in the arms and top wall are aligned to provide a guide for a microsample holder. The microsample holder is formed as a plate having a number of retaining elements preferably in the form of a circular perforated area for retaining drops of samples to be analyzed by the spectrophotometer. When the microsample holder is inserted into the slots of the carrier, the retaining elements assume substantially the same position as that portion of the window(s) of the conventional cuvette support which intersect the horizontal beam, whereby no modifications are necessary to the conventional spectrophotometer for use with the carrier and microsample holder.

REFERENCES:
patent: 3506367 (1970-04-01), Ross et al.
patent: 3734622 (1973-05-01), Adler
patent: 3736042 (1973-05-01), Markovits et al.
patent: 4197088 (1980-04-01), Meserol et al.
patent: 4245052 (1981-01-01), Lund
patent: 4319841 (1982-03-01), Suovaniemi et al.
patent: 4364632 (1982-12-01), Pullen
patent: 4387972 (1983-06-01), Valencia
patent: 4431307 (1984-02-01), Suovaniemi
patent: 4468371 (1984-08-01), Chen et al.
Fisher Scientific Catalog, 1963, pp. 700 and 701.

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