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Displaying 1476 - 1500 of 4041

A Demonstration of Fast and Accurate Discrimination and Quantification of Chemically Similar Species Utilizing a Single Cross-Selective Chemiresistor

June 14, 2014
Author(s)
Alexander (. Vergara Tinoco, Kurt D. Benkstein, Christopher B. Montgomery, Stephen Semancik
Performance characteristics of gas-phase microsensors will determine the ultimate utility of these devices for a wide range of chemical monitoring applications. Considerable effort has led to electronic nose devices that utilize multiple cross-selective

Flux growth of Yb6.6Ir6Sn16 having mixed valent ytterbium

June 12, 2014
Author(s)
Sebastian Peter, Udumula Subbarao, Sudhindra Rayaprol, Joshua B. Martin, Mahalingam Balasubramanian, Christos D. Malliakas, Mercouri G. Kanatzidis
The new compound Yb6.6Ir6Sn16 was obtained as single crystals in high yield from the reaction of Yb with Ir and Sn run in excess indium. Single crystal X-ray diffraction analysis shows that Yb6.6Ir6Sn16 crystallizes in the tetragonal space group P42/nmc

Mid-Infrared Time-Resolved Frequency Comb Spectroscopy of Transient Free Radicals

June 10, 2014
Author(s)
Adam J. Fleisher, Bryce Bjork, Thinh Q. Bui, Kevin C. Cossel, Mitchio Okumura, Jun Ye
Quantitative measurements in chemical kinetics require unambiguous determinations of reactant, intermediate, and product concentrations on time scales faster than the reaction rate. Direct absorption spectroscopy in the mid-infrared (mid-IR) can fulfill

Organic Analytical Reagents for the Determination of Inorganic Ions

June 4, 2014
Author(s)
Thomas J. Bruno, Paris D. Svoronos
The table entitled Organic Analytical Reagents for the Determination of Inorganic Substances, by G. Ackermann, L. Sommer, and D. Thorburn Burns, has been revamped and considerably expanded for this edition. The many recent advancements in this area have

CCQM-K83 Draft A Report: International Comparison CCQM-K83 Halocarbons in Dry Whole Air

June 3, 2014
Author(s)
George C. Rhoderick, Franklin R. Guenther, David L. Duewer, Jeongsoon Lee, Jin Seog Kim, Dongmin Moon, Jinbok Lee
The growing awareness of climate change/global warming and continuing concerns regarding stratospheric ozone depletion will require future measurements and standards for many compounds, in particular halocarbons that are linked to these issues. In order to

CCQM-P151 Draft A Report Pilot Study CCQM P151 Halocarbons in Dry Whole Air

May 28, 2014
Author(s)
George C. Rhoderick, Franklin R. Guenther, David L. Duewer, Jeongsoon Lee, Jin S. Kim, Bradley Hall, Ray Weiss, Christina Harth, Stefan Reimann, Martin Vollmer
The growing awareness of climate change/global warming and continuing concerns regarding stratospheric ozone depletion will require future measurements and standards for many compounds, in particular halocarbons that are linked to these issues. In order to

Microsensors for Mars: Trace Analyte Detection in a Simulated Martian Environment

May 23, 2014
Author(s)
Kurt D. Benkstein, Phillip H. Rogers, Christopher B. Montgomery, C. Jin, Baranidharan Raman, Stephen Semancik
Chemiresistive microsensor arrays are being developed and tested in a simulated Martian environment. Target analyte species include trace small molecules that may indicate current geological or, potentially, biological activity on Mars. The sensing films
Displaying 1476 - 1500 of 4041
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