• Infrared Absorption Spectroscopy
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Memsbased MEMS Based Calorimetric Spectroscopy (CalSpec) {Chemical And Biological Detection} CalSpec Concept And Background We have developed a novel micro_calorimetric spectroscopy technique that can be used for chemical and biological detection applications. This is a micro-electro-mechanical-systems (MEMS) based technique that provides detailed spectral information about the target species.…

Quantum Cascade Laser Mid-Infrared Spectroscopy for Online Monitoring of Aqueous Chemical Processing Quantum Cascade Laser Mid-Infrared Spectroscopy for Online Monitoring of Aqueous Chemical Processing Disclosure Number 201603744 Technology Summary This invention disclosure describes a new approach for high sensitivity and real-time online measurements to monitor the kinetics in the pr…

Highintensity Output Spectrum Tu na ble La se r A rra y Gas Sample MCT Detector I I Input Spectrum Lock-in Amplifier IR absorption spectroscopy of chem/bio agents High Intensity Mid and Far Infrared Laser Array for Chem/Bio Agent Detection/LADAR/Optical Communication Applications Army Issues and Technological Impact High intensity and high average power mid and far InfraRed (IR) lasers (3-20 …

Reduction Processes and Community Structure in Remediation of Uranium 1 OAK RIDGE NATIONAL LABORATORY U. S. DEPARTMENT OF ENERGY Reduction Processes and Community Structure in Remediation of Uranium Anthony V. Palumbo 1 , Craig C. Brandt 1, Susan M. Pfiffner 2 , Lisa A. Fagan 1 , Andrew S. Madden 1 , Tommy Phelps 1 , Jack C. Schryver 1 Meghan S. McNeilly 1 , Chris W. Schadt 1…

Technetium Chemistry in HLW: Role of Organic Complexants 1 Technetium Chemistry in HLW: Role of Organic Complexants (Project Number: 81921) Principal Investigator Nancy J. Hess Pacific Northwest National Laboratory P.O. Box 999, MSIN P7-50 Richland, WA 99352 509-376-9808 (phone) 509-372-1632 (fax) nancy.hess@pnl.gov Co-Principal Investigators David L. Bl…

Colloid-Facilitated Transport of Radionuclides Through the Vadose Zone Project 86814 We have completed the studies on reactions of minerals with caustic Hanford tank waste solutions. Systematic studies on the effects of different anions, cations, and the radionuclide Cs-137 were completed and technical manuscripts on these experiments were submitted for publication. The concentration of …

Millisecond Kinetics of Nanocrystal Cation Exchange UsingMicrofluidic X-ray Absorption Spectroscopy Millisecond kinetics of nanocrystal cation exchange using microfluidic X-ray absorption spectroscopy Emory M. Chan, Matthew A. Marcus, Sirine Fakra, Mariam S. Elnaggar, Richard A. Mathies, A. Paul Alivisatos* Department of Chemistry, University of California, Berkeley, Materials …

Surface wave chemical detector using optical radiation Description BACKGROUND OF THE INVENTION It is well established that surfaces can support mechanical waves. Depending on the nature of the substrate, these surface waves are called Rayleigh waves, Lamb waves, and Love waves. Rayleigh waves are for thicker substrates while Lamb and Love waves are for thin membranes. The surface waves…

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Surface wave chemical detector using optical radiation Description BACKGROUND OF THE INVENTION It is well established that surfaces can support mechanical waves. Depending on the nature of the substrate, these surface waves are called Rayleigh waves, Lamb waves, and Love waves. Rayleigh waves are for thicker substrates while Lamb and Love waves are for thin membranes. The surface wave…

Kinetic Controls on the Desorption/Dissolution of Sorbed U(VI) and Their Influence on Reactive Transport J. M. Zachara*, C. Liu, N. Qafoku, J. P. McKinley (PNNL); J. A. Davis, D. Stoliker, Y. Arai (USGS); and J. G. Catalano, G. E. Brown, Jr. (Stanford Univ.) *Fundamental Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99354hwest National Laboratory, Ri land, WA 993 BAC…

A multi-channel monolithic Ge detector system for fluorescence x-ray absorption spectroscopy Lawrence Berkeley Laboratory e UNIVERSITY OF CALIFORNIA CHEMICAL SCIENCES DIVISION Presented at the National Conference on Synchrotron Radiation Instrumentation 1995 APS X-Ray Centennial Symposium, Argonne, IL, October 15-20, 1995, and to be published in Review of Scientific Instruments A Mult…

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