Hydrometer for determination of immunoglobulin content of mare c

Details Hydrometer for determination of immunoglobulin content of mare c Hydrometer for determination of immunoglobulin content of mare c

1985-11-20

1987-08-25

Chapman, John

Measuring and testing

Specific gravity or density of liquid or solid

Freely vertical reciprocable float with carried indicium

G01N 912

Patent

active

046884262

ABSTRACT:
A hydrometer for determination of immunoglobulin content of mare colostrum comprises a container having a top wall, side walls and an open bottom. An elongate, emergent stem is carried by and projects from the top wall, and the stem is provided with a scale along its length to indicate the specimen specific gravity when the device is immersed in water. A partition wall for the container is positioned between the top wall and the open bottom dividing the container into an upper air chamber and a lower specimen chamber. A removable closure member is used for the open bottom of the container. The closure member is sized to adjust the specimen chamber to a predetermined volume when fully inserted in the open bottom of the container. A bleed vent contained in the side wall of the closure member, allows excess specimen and air bubbles to escape.

REFERENCES:
patent: 748838 (1904-01-01), Broestler
patent: 2006549 (1935-07-01), Hartley
patent: 2506973 (1950-05-01), Segal

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