Portable solution detector for identifying chemical...

Details Portable solution detector for identifying chemical... Portable solution detector for identifying chemical...

2008-02-28

2010-06-22

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

C073S053010

Reexamination Certificate

active

07739902

ABSTRACT:
A detector and detection method for identifying unknown chemical solutions following chemical spills includes a specific gravity detector including a detector column having an inlet end operable to collect a sample of a solution, wherein the detector column is formed of an optically transparent material to allow visual observation of the sample in the detector column. At least a first plurality of specific gravity floats including a first specific gravity float is located and moveable within the detector column, wherein the first specific gravity float has a density to float in liquids having a specific gravity of greater than a first density level. At least a second specific gravity float is located and moveable within the detector column, wherein the second specific gravity float has a density to float in liquids having a specific gravity greater than the first density level. A sample of an unknown solution from a site of a chemical spill is introduced into the detector column. A float response of the first plurality of specific gravity floats is observed and based on the observation a presence or absence of at least one chemical solution in the unknown solution is identified.

REFERENCES:
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patent: 4811592 (1989-03-01), Miura et al.
patent: 5444383 (1995-08-01), Agar et al.
patent: 5743135 (1998-04-01), Sayka et al.

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