National Institute of Standards and Technology Makes Polycyclic Aromatic Hydrocarbon Structure Index Publicly Available - - Chromatography Online
National Institute of Standards and Technology Makes Polycyclic Aromatic Hydrocarbon Structure Index Publicly Available

LCGC Europe eNews

The National Institute of Standards and Technology (NIST), an agency of the U.S. Department of Commerce, has made a polycyclic aromatic hydrocarbon (PAH) structure index database publicly available on-line ( A byproduct of hydrocarbon fuel combustion, PAHs can have significant adverse health and environmental impacts. The website contains data on more than 650 PAH compounds, with more to be added in the future.

According to NIST, the Chemical Informatics Research Group of NIST’s Material Measurement Laboratory created the site to provide Standard Reference Data to industry, academia, and the US public, and builds on NIST Special Publication 922: Polycyclic Aromatic Hydrocarbon Structure Index (SP922) by Lane C. Sander and Stephen A. Wise of NIST. SP922 indexed a large number of PAH structures and provided parameters for estimating retention indices for liquid chromatography using a simple model. The new database expands on this by providing data from further experimental data including a collection of thermochemical data on gas-phase PAH compounds, and UV–visible spectra.

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