Method and apparatus for verifying declared contents of contents

Details Method and apparatus for verifying declared contents of contents Method and apparatus for verifying declared contents of contents

1978-07-17

1980-02-05

Goldberg, Gerald

Measuring and testing

Specific gravity or density of liquid or solid

With weighing feature

73450, 73451, G01N 910

Patent

active

041866088

ABSTRACT:
An apparatus and method are provided for verification of declared contents in mixed solids, blended textiles, certain pure solids, and other solid substances. The apparatus is assembled from laboratory items and utilizes liquids and instruments. The method requires the measurement of changes in chain length in a chain suspended from the bottom of a float, and appliable values substituted in an equation which utilize densimetric principles to achieve a comparative presentation of values for verification.

REFERENCES:
patent: 2635461 (1953-04-01), Groth et al.
patent: 2722838 (1955-11-01), Roy
patent: 2760374 (1956-08-01), Gottsch
patent: 3246504 (1966-04-01), Halff et al.
"A Method for Determining the Moisture Content . . . " by Schmidt, Tappi, vol. 51 No. 4 Apr. 1968 (pp. 164-170).

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