Surface acoustic wave sensing of VOCs in harsh chemical environments Page: 4 of 80
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5.3. CC4 in CO2 and steam atmosphere as a
function of frequency change..............54
5.4. Change in SAW frequency and corresponding
change in CCi4 concentration as a function
of quartz reactor temperature.............55
5.5. Schematic diagram of Synthetica MBEv, STD,
and Sandia SAW sensor......................57
5.6. Measured CC14 outlet concentration normalized
to calculated CCl4 inlet concentration
as a function of MBEv outlet temperature..62
A.l. Mechanical drawing of reference
SAW test case..............................68
A.2. Mechanical drawing of signal
SAW test case.............................69
A.3. Mechanical drawing of test case lid.......70
A.4. Mechanical drawing of Teflon bushing......71I
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Pfeifer, K. B.; Martin, S. J. & Ricco, A. J. Surface acoustic wave sensing of VOCs in harsh chemical environments, report, June 1, 1993; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1395516/m1/4/: accessed June 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.