Method and apparatus for transfusing liquid specimen for optical

Details Method and apparatus for transfusing liquid specimen for optical Method and apparatus for transfusing liquid specimen for optical

1998-09-23

2000-04-04

Font, Frank G.

Optics: measuring and testing

Sample, specimen, or standard holder or support

356246, 356432, 356440, 356441, 356442, 356364, 356367, 356368, G01N 2101, G01J 400

Patent

active

06046805&

ABSTRACT:
An apparatus and a method for transfusing liquid specimen for an optical characteristic measurement, which is excellent in operability and handling, and capable of introducing a liquid specimen into a sample cell without detaching the cell from an optical characteristic measurement apparatus and without bubbling, as well as a polarimeter are disclosed. According to the present invention, the specimen can be introduced into the sample cell without detaching the sample cell from the equipment, in a way of connecting the bottom of the sample cell with a reservoir for temporarily accommodating the liquid specimen through a tubular path, then varying a difference in the levels of the sample cell and the reservoir, or a way of using a syringe arranged in the tubular path. At expelling the specimen from the sample cell, the specimen is transfused into the reservoir in a similar manner.

REFERENCES:
patent: 3699348 (1972-10-01), Hocherl
patent: 3740151 (1973-06-01), Chaney et al.
patent: 4589776 (1986-05-01), Carver et al.
patent: 4900512 (1990-02-01), Meyrat et al.
patent: 4902134 (1990-02-01), Spanier
patent: 4988199 (1991-01-01), Paul
patent: 5182617 (1993-01-01), Yoneyama et al.

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