Composition and probe for detection of water

Details Composition and probe for detection of water Composition and probe for detection of water

1983-05-02

1987-10-13

Terapane, John F.

Chemistry: analytical and immunological testing

Determination of water

2524081, 73 73, 436 40, C09K 300, G01N 3318, G01N 502

Patent

active

046998853

ABSTRACT:
A visual indicating paste composition for producing a detectable color change upon contact with an aqueous solution comprising an indicator dye capable of changing color in the pH range between about 7 and about 11, said base being dispersed in a liquid carrier capable of absorbing water but which is not rapidly leached by water or hydrocarbon, is provided. When applied to a measuring probe, the paste composition is particularly adapted for detecting the water level in the bottom of tanks and delivery systems containing gasoline, and especially gasoline containing oxygenated blending components, by producing a clear detectable color change without bleeding or run-off upon contact with an aqueous solution.

REFERENCES:
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patent: 3505020 (1970-04-01), Caldwell
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patent: 4005132 (1977-01-01), Koster
patent: 4166891 (1979-09-01), Elliot
patent: 4255586 (1981-03-01), Harrington
patent: 4349509 (1982-09-01), Yoshikawa
patent: 4382380 (1983-05-01), Martin

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