Sensors & Electronics
Chemical Sensors
Detection of Water in Organic Solutions (329)
Problem: Need method to rapidly measure water in oil, gas, fuel, or other organic solvents that offers promise for field use
Project Activity Scope (from Technical Overview Chart): Mechanisms through Sensors and Devices
PNNL Solution:
- Measure infrared spectra for solvents and water to identify exploitable water absorption bands
- Conduct PAS tests with low water concentrations in various organic solvents
- Successfully demonstrated ability to measure water levels down to 45 ppm in transmission fluid
- Published results
Capabilities Employed to Meet Client Needs: Optical spectroscopy (UV-Vis-IR); optical sources for sample examination including FTIR spectrometers, lasers, Xe lamps, laser diodes; photoacoustic cell design and fabrication; development and use of laboratory PAS measurement systems for application studies; development of signal processing, experimental control, and data acquisition hardware and software; data analysis to obtain key chemical and biological information; reporting of findings (including numerous open literature publications).
Selected Links to Related Information:
- Similar Application Examples (Same or Different Technology)
- Similar Technology Examples (Same or Different Application)
Contact: Nancy Foster-Mills
