 | October 1, 2011
By:Fran Adar
How can you navigate the maze of choices for detecting molecular vibrations with mid-infrared (IR), near IR (NIR), and visible (Raman)? Understanding what is being measured, how it is measured, and the advantages and disadvantages of each technique, will help.
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 | October 1, 2011
By:Howard Mark, Jerome Workman, Jr.
Continued discussion of the classical least squares approach to calibration, with a focus on the reconstruction of mixtures
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July 1, 2011
By:Qianxuan Zhang, Qingbo Li, Guangjun Zhang
Simulated leaf spectral data were generated to analyze scattering impact and then compared to experimental data to validate the conclusions of the simulation.
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June 1, 2011
By: Steve Lowry
Algae and other aquatic species are promising sources for biomass that can be economically converted into fuel, and several infrared sampling techniques can be used to analyze these samples.
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 | May 1, 2011
By:Howard Mark, Jerome Workman, Jr.
In the last four columns we described the theory of what should happen when we perform classical least squares calculations on mixtures when Beer's law applies. In this column we take our first look at what actually does happen.
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May 1, 2011
By:Howard Mark
Our yearly review of the hottest products at Pittcon
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April 1, 2011
By:Xiaojing Chen, Di Wu, Yong He
The wavelet packet transform (WPT) combined with the modified uninformative variable elimination (MUVE) method (WPT–MUVE) is proposed to select variables for multivariate calibration of spectral data.
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April 1, 2011
By:Alan R. Ford, Robert D. Waterbury, Darius M. Vunck, Jeremy B. Rose, Thomas B. Blank, Ken R. Pohl, Edwin L. Dottery, Troy A. McVay, Mikella E. Hankus, Ellen L. Holthoff, Paul M. Pellegrino, Steve D. Christesen, Augustus W. Fountain III
Combining multiple sensors into one instrument increases the probability of detecting explosive residues and enables the detection of a greater number of explosives.
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