Specific gravity indicator

Details Specific gravity indicator Specific gravity indicator

1984-09-24

1986-05-27

Levy, Stewart J.

Measuring and testing

Specific gravity or density of liquid or solid

Freely vertical reciprocable float with carried indicium

73440, G01N 910

Patent

active

045908001

ABSTRACT:
A specific gravity indicator used for measuring the specific gravity of an aqueous liquid, which is a shaped article comprising a styrene homopolymer and a styrene-butadiene elastomer and having a specific gravity of 1.005 to 1.035. By the specific gravity indicator, the specific gravity of an aqueous liquid such as urine at a standard temperature can be measured with a high accuracy at an arbitrary temperature.

REFERENCES:
patent: 1335253 (1920-03-01), Midgley
patent: 1424730 (1922-08-01), Linebarger
patent: 2133300 (1938-10-01), Linebarger
patent: 3175553 (1965-03-01), Mattson
patent: 3835711 (1974-09-01), Kelly
patent: 4338817 (1982-07-01), Callahan

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