CHEMICAL SENSING ELECTRODES

Award Information
Agency:
Department of Commerce
Branch
n/a
Amount:
$167,000.00
Award Year:
1988
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
6922
Agency Tracking Number:
6922
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1280 Dussel Dr, Maumee, OH, 43537
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Barry Watson
Vice President
() -
Business Contact:
() -
Research Institute:
n/a
Abstract
THE STUDY OF OCEAN PROCESSES SUCH AS MINERAL DISSOLUTION, ION SPECIATION AND REDOX EQUILIBRIA AS WELL AS EFFLUENT AND POLLUTION MONITORING REQUIRE ACCURATE AND PRECISE MEASUREMENTS OF BOTH MAJOR AND MINOR CHEMICAL CONSTITUENTS. ALTHOUGH SPECTROPHOTOMETRY AND FLAME PHOTOMETRY HAVE BEEN USED FOR SEA WATER ANALYSIS, POTENTIONMETRY WITH ION-SELECTIVE ELECTRODES IS THE MOST COMMON-METHODOLOGY, PARTICULARLY FOR PH MEASUREMENTS. THE USUAL PROCEDURES INVOLVE SAMPLE COLLECTION AT DEPTH FOLLOWED BY SUBSEQUENT ANALYSIS ON DECK. SEA WATER PH IS PRINCIPALLY DETERMINED BY THE OCEANIC CARBON DIOXIDE SYSTEM.CONSEQUENTLY MINIMIZATION OF TIME BETWEEN SAMPLING AND MEASUREMENT IS CRITICAL TO AVOID ERRORS WHICH MAY ARISE FROMATMOSPHERIC CO2 EXCHANGE, DEGASSING AS SAMPLE TEMPERATURE INCREASES AND BACTERIAL RESPIRATION.

* information listed above is at the time of submission.

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