UNATTENDED GAS CHROMATOGRAPHS

Award Information
Agency:
Department of Commerce
Branch
n/a
Amount:
$199,998.00
Award Year:
1990
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
10612
Agency Tracking Number:
10612
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
620-1 Hampshire Rd, Westlake Village, CA, 91361
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Edward Staples
Principal Investigator
(805) 495-9388
Business Contact:
() -
Research Institute:
n/a
Abstract
THERE IS A NEED FOR AN UNATTENDED GAS CHROMATOGRAPH THAT CANMAKE CONTINUOUS MEASUREMENTS OF CARBON DIOXIDE ON SURFACE BUOYS OR SHIPS OF OPPORTUNITY. AN INNOVATIVE REAL TIME, LOWPOWER, AND INEXPENSIVE SURFACE ACOUSTIC WAVE (SAW) RESONATOR-BASED GAS CHROMATOGRAPH IS PROPOSED THAT OFFERS THE UNIQUE FEATURES OF RUGGED CONSTRUCTION, SMALL SIZE, AND LOW POWER AND GAS CONSUMPTION. THE UNIQUE IMPLEMENTATION OF THE PROPOSED GAS CHROMATOGRAPH IS DESCRIBED, AND ITS POTENTIAL FOR REAL TIME UNATTENDED MONITORING IS FULLY ADDRESSED. THE DEVELOPMENT OF AN INSTRUMENT CAPABLE OF OPERATING FOR UP TO ONE MONTH UNATTENDED IS DESCRIBED. A PAIR OF SAW RESONATORS ARE PROPOSED WHOSE DIFFERENTIAL OUTPUT FREQUENCY WILL HAVE A DYNAMIC RANGE OF 106 AND A TEMPERATURE MEASUREMENT CAPABILITY OF 1/2400 DEGREES CENTIGRADE. THE ADVANTAGES OF THE PROPOSED APPROACH ARE: FIRST, THE REQUIRED CIRCUITRY IS MINIMAL AND LOW POWER; SECOND, THE SENSOR IS RUGGED AND INTERFACES EASILY WITH A MICROPROCESSORWITHOUT THE NEED FOR A/D CONVERTERS; THIRD, THE PROPOSED APPROACH HAS LOW GAS CONSUMPTION AND CAN OPERATE UP TO ONE MONTH UNATTENDED.

* information listed above is at the time of submission.

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