Publication

The photolytic cage effect of iodine in gases and liquids

Hubert van den Bergh
1983
Journal Articles

Abstract

The photolytic cage effect was studied over a wide d. range of several bath gases in the laser flash photolysis of I2 at 694.3 nm. Particular attention was paid to measurements in the simple solvents Xe and Kr, which were compared with mol. dynamics calcns. Measurements in polyat. gases and liqs. were made, as well as the variation of the cage effect with temp. and applied magnetic field. While measuring the cage effect under a wide variety of conditions, the second order rate consts. for I atom combination were also obtained.

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https://infoscience.epfl.ch/entities/publication/e1cbeade-283d-419f-9a77-33cceb8af4e9

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Hubert van den Bergh
1983
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/e1cbeade-283d-419f-9a77-33cceb8af4e9

About this result

Related concepts (32)

Xenon

Xenon is a chemical element with the symbol Xe and atomic number 54. It is a dense, colorless, odorless noble gas found in Earth's atmosphere in trace amounts. Although generally unreactive, it can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized. Xenon is used in flash lamps and arc lamps, and as a general anesthetic. The first excimer laser design used a xenon dimer molecule (Xe2) as the lasing medium, and the earliest laser designs used xenon flash lamps as pumps.

Gas

Gas is one of the four fundamental states of matter. The others are solid, liquid, and plasma. A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide). A gas mixture, such as air, contains a variety of pure gases. What distinguishes a gas from liquids and solids is the vast separation of the individual gas particles.

Measurement

Measurement is the quantification of attributes of an object or event, which can be used to compare with other objects or events. In other words, measurement is a process of determining how large or small a physical quantity is as compared to a basic reference quantity of the same kind. The scope and application of measurement are dependent on the context and discipline. In natural sciences and engineering, measurements do not apply to nominal properties of objects or events, which is consistent with the guidelines of the International vocabulary of metrology published by the International Bureau of Weights and Measures.

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The photolytic cage effect of iodine in gases and liquids

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