Textiles: fiber preparation
Patent
1976-05-10
1977-12-27
Tanenholtz, Alvin E.
Textiles: fiber preparation
1951035R, 23259, 23292, C12K 110
Patent
active
040653587
ABSTRACT:
An apparatus according to which a sample and a reagent are mixed together at a given temperature in a colorimetric cell to enable a property of the sample to be determined in an instrument such as a photoelectric colorimeter or a spectrophotometer. The sample and reagent are initially situated in a pair of containers one of which can be enclosed entirely within the other with the inner container extending above the level of the contents in the outer container. A colorimetric cell is connected in a fluid-tight manner at its open end to an upper open top of the outer container, and then after the entire assembly and the contents of the containers are brought to a given temperature, this assembly is inverted to discharge the contents of both containers into the colorimetric cell. Then, by situating the latter cell in an instrument of the above type it is possible to direct through the cell and the contents therein light of a given wavelength which will be absorbed by a component of the reagent in a manner which will indicate a property of the sample.
REFERENCES:
patent: 2699378 (1955-01-01), Koelle
patent: 3733179 (1973-05-01), Guehler
patent: 3768979 (1973-10-01), Mead et al.
Fukuda Mitsuo
Kawai Shoji
Nishimura Ken-ichi
Kabushiki Kaisha Kyoto Daiichi Kagaku
Tanenholtz Alvin E.
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