Radio-active Substances
by Marie Curie
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Language: English
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About this eBook
- Author
- Curie, Marie, 1867-1934
- Title
- Radio-Active Substances
- Credits
- Produced by Richard Tonsing and the Online Distributed Proofreading Team at www.pgdp.net (This file was produced from images generously made available by The Internet Archive)
- Language
- English
- LoC Class
- QC: Science: Physics
- Subject
- Radioactive substances
- Category
- Text
- Project Gutenberg
- eBook-No. 60564
- Release Date
- October 24, 2019
- Copyright
- Public domain in the USA.
Contents
- 1.RADIO-ACTIVE SUBSTANCES
- 2.INTRODUCTION. — Historical.
- 3.CHAPTER I. Radio-activity of Uranium and Thorium. Radio-active Minerals. — Measurement of the Intensity of Radiation. — Radio-activity of the Compounds of Uranium and Thorium. — Is Atomic Radio-activity a general Phenomenon? — Radio-active Minerals.
- 4.CHAPTER II. Method of Research. — Polonium, Radium, Actinium. — Spectrum of Radium. — Extraction of the New Radio-active Substances. — Polonium. — Preparation of the Pure Chloride of Radium. — Determination of the Atomic Weight of Radium. — Characteristics of the Radium Salts. — Fractionation of Ordinary Barium Chloride.
- 5.CHAPTER III. Radiation of the New Radio-active Substances. — Methods of Investigation of the Radiation. — Energy of Radiation. — Complex Nature of the Radiation. — Action of the Magnetic Field. — Deflected β-Rays. — Charge of the Deflected Rays. — Action of the Electric Field upon the Deflected β-Rays of Radium. — Relation of the Charge to the Mass for a Particle Negatively Charged Emitted by Radium. — Action of the Magnetic Field upon the α-Rays. — Action of the Magnetic Field on the Rays of other Radio-active Substances. — Proportion of β-Rays in the Radiation of Radium. — Penetrating Power of the Radiation of Radio-active Bodies. — Ionising Action of Radium Rays on Insulating Liquids. — Various Effects and Applications of the Ionising Action of the Rays Emitted by Radio-active Substances. — Fluorescent and Luminous Effects. — Evolution of Heat by the Salts of Radium. — Chemical Effects produced by the New Radio-active Bodies. — Physiological Effects. — Influence of Temperature upon Radiation.
- 6.CHAPTER IV. Communication of Radio-activity to Substances Initially Inactive. — Activity Induced in an Enclosed Space. — Part played by Gases in the Phenomena of Induced Radio-activity. — Dissipation in Free Air of the Induced Activity of Solid Bodies. — Dissipation of Activity in a Confined Space. Velocity of Destruction of the Emanation. — Variation of Activity of Liquids rendered Active and of Radium Solutions. — Theory of Radio-activity. — Another Form of Induced Radio-activity. — Induced Radio-activity with Slow Dissipation. — Radio-activity Induced upon Substances in Solution with Radium. — Dissemination of Radio-active Particles and Induced Radio-activity of the Laboratory. — Activity Induced Outside the Influence of Radio-active Substances. — Variations of Activity of Radio-active Bodies. Effects of Solution. — Variations of the Activity of Radium Salts on Heating. — Theory of Interpretation of the Causes of Variations of Activity of Radium Salts after Solution and after Heating. — Nature and Cause of the Phenomena of Radio-activity. — Conclusions.
- 7.TRANSCRIBER’S NOTES
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