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Chemical Heritage Fdn.
Measuring Mass: From Positive Rays to Proteins
Michael A. Grayson
Our knowledge of the elements received a tremendous boost nearly 100 years ago when physicists began exploring the newly discovered phenomenon of "rays of positive electricity" in greater detail. This work led to the development of the first mass spectrographs, which separated the elements on the basis of their mass. The initial application of this tool was to determine the exact mass and relative abundance of the elements and their isotopes. But even as studies of the elements were underway, the idea of extending the utility of the mass spectrograph to the analysis of chemical compounds was proposed. The embodiment of that idea is the modern analytical mass spectrometer.
Research Frontiers for the Chemical Industry: A Report on the Fourth Annual CHF-SCI Innovation Day Warren G. Schlinger Symposium: 11 September 2007:
Chymists and Chymistry Studies in the History of Alchemy and Early Modern Chemistry
Pharmacopolitics: Drug Regulation in the United States and Germany
Innovation Frontiers in Industrial Chemistry: A Report on the Second Annual CHF-SCI Innovation Day, Warren G. Schlinger Symposium
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