Chemical sensors
A Los Alamos chemical sensors program has been developed to provide sensors for in situ, real-time monitoring of chemical processes. Research on new sensors is focused on developing new polymer chemistries that are rugged and selective for specific analytes. These chemistries are applied to fiber optics for spectroscopy, microelectrodes for electrochemistry, or quartz crystal microbalances for mass measurements. Much of our effort thus far has been on the development of sensors to measure highly acidic solutions using the absorption of indicators encapsulated in acid resistant polymer blends. This sensor is based on internal reflection spectroscopy using fiber optics. Other current research includes the development of an anion sensor for fluoride using an electrochemical technique. The chemistry involves the change in electrochemical behavior of metal-porphyrin complexes with the addition of fluoride ions to a vacant coordination site of the centralized metal ion. This report reviews our philosophy for chemical sensors development and research progress through the end of 1988. 12 refs., 11 figs.
- Research Organization:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- DOE/DP
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 5168348
- Report Number(s):
- LA-11715-MS; ON: DE90005014
- Country of Publication:
- United States
- Language:
- English
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32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
CHEMICAL ANALYSIS
ON-LINE MEASUREMENT SYSTEMS
MONITORING
OPTICAL FIBERS
POLYMERS
QUARTZ
QUINOLINES
REAL TIME SYSTEMS
REMOTE SENSING
TRANSITION ELEMENT COMPLEXES
AROMATICS
AZAARENES
AZINES
CHALCOGENIDES
COMPLEXES
FIBERS
HETEROCYCLIC COMPOUNDS
MINERALS
ON-LINE SYSTEMS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PYRIDINES
SILICON COMPOUNDS
SILICON OXIDES
440600* - Optical Instrumentation- (1990-)
320303 - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Equipment & Processes