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Mass spectrometry is a rapidly evolving measurement technique for synthetic polymers. It holds the promise of providing not only absolute molecular mass distributions but also quantitative end-group and repeat-unit composition, and structural information such as branching and intramolecular loop formation. It serves as an invaluable complement to size-exclusion chromatography and light scattering in molecular mass determination, and to nuclear magnetic resonance and vibrational spectroscopy for structure determination. The realization of the full promise of quantitative mass spectrometry presents challenges to researchers in all fields of polymer characterization and was the central topic of this workshop. This Workshop comes at a propitious time as Koichi Tanaka and John Fenn were awarded the 2002 Nobel Prize in Chemistry for their separate work on gas-phase macromolecular ion generation. Their citation reads, in part, "Mass spectrometry is a very important analytical method used in practically all chemistry laboratories the world over. Previously only fairly small molecules could be identified, but John B. Fenn and Koichi Tanaka have developed methods that make it possible to analyze . . . macromolecules as well."

Quantitative Synthetic Polymer Mass Spectrometry Workshop. Gaithersburg, Md. November 7-8, 2002