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Atomic Spectroscopy

The Spectral Lines of Hydrogen

Nov 1, 2008

A short history of the early scientific developments related to the optical emission lines of hydrogen is presented. These were crucial to the development of the quantum theory. Balmer's empirical formula was an important milestone. Rydberg and others provided additional work, especially for higher atomic numbers. However, it remained for Bohr to provide the physical reasoning.

Spectroscopy Is Applied Quantum Mechanics, Part III: Introduction to Quantum Mechanics

Apr 1, 2008

Columnist David W. Ball discusses the pioneering work of Erwin Schrodinger, whose work on wave mechanics forms the basis of the modern understanding of subatomic behavior.

Universal Quantification — The Uncelebrated Strength of ICP-MS

May 1, 2009

Guest columnist Steven Wilbur discusses the elemental nature of ICP-MS and its strength as a universal quantifier, an aspect of the technique he believes has not received enough attention.

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