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Helium isotopes in nature / B.A. Mamyrin and L.N. [i.e. I] Tolstikhin.

By: Contributor(s): Language: English Original language: Russian Series: Developments in geochemistry ; 3.1984Description: 1 online resource (xiv, 273 pages) : illustrationsContent type:
  • text
Media type:
  • computer
Carrier type:
  • online resource
ISBN:
  • 9781483289809
  • 148328980X
Uniform titles:
  • Izotopy gelii︠a︡ v prirode. English
Subject(s): Genre/Form: Additional physical formats: Print version:: Helium isotopes in nature.LOC classification:
  • QE516.H4
  • QD181.H4 M2613 1984
Online resources:
Contents:
Front Cover; Helium Isotopes in Nature; Copyright Page; PREFACE; Table of Contents; Chapter 1. COLLECTION AND PREPARATION OF NATURAL HELIUM SAMPLES FOR MASS-SPECTROMETRIC ANALYSIS; 1.1. Vessels for collecting and long storage of natural helium samples; 1.2. Collecting of gaseous and fluid samples; 1.3. Helium extraction from fluid microinclusions in minerals; 1.4. Helium extraction from solids; 1.5. Purification of helium from accompanying gases; 1.6. A modern all-metal system for extraction and purification of helium; Chapter 2. MEASUREMENT OF HELIUM CONTENTS IN SAMPLES.
HELIUM STANDARDS WITH A GIVEN ISOTOPE RATIO2.1. Measurement of helium contents in terrestrial gases; 2.2. Preparation of standard mixtures of 3He and 4He; 2.3. Helium isotope composition in the lower atmosphere; 2.4. Universal mass-spectrometer leak-in system for helium isotope studies; Chapter 3. PECULIAR FEATURES OF MASS-SPECTROMETRIC ISOTOPE ANALYSES OF TERRESTRIAL HELIUM; 3.1. Resolution of a mass spectrometer; 3.2. Background of 4He scattered ions and its suppression in the measurements of very low 3He/4He ratios; 3.3. Background of scattered HD+ and H3+ ions.
3.4. ""Memory"" and other factors affecting the measurements of 3He and 4He abundance in terrestrial samples3.5. Two-beam mode of operation and static mode of pumping a mass spectrometer; 3.6. Requirements for a mass spectrometer used for natural helium isotope measurements; Chapter 4. ISOTOPIC ANALYSIS OF NATURAL HELIUM BY A STATIC MAGNETIC MASS SPECTROMETER; 4.1. One-stage magnetic static mass spectrometer; 4.2. Multi-stage static mass spectrometers; 4.3. Results obtained by means of magnetic static mass spectrometers; Chapter 5. MAGNETIC RESONANCE MASS SPECTROMETER (MRMS).
5.1. Design and operating principles of the MRMS5.2. Ways to ensure the analytical parameters; 5.3. A laboratory mass spectrometer; 5.4. Industrial magnetic resonance mass spectrometer MI 9302; 5.5. Solution of the most difficult problems of helium isotope studies achieved with the MRMS; Chapter 6. LIGHT NOBLE GAS ISOTOPES IN METEORITES; 6.1. Meteorites and the earth; 6.2. Primordial noble gases in meteorites; 6.3. Isotopes of light noble gases in meteorites; 6.4. Noble gases in the terrestrial atmosphere; Chapter 7. HELIUM ISOTOPES IN THE EARTH'S MANTLE.
7.1. Abundance of 4He and 3He in radiogenic helium7.2. Helium isotopes in mantle materials; 7.3. On the nature of 3He excess in the earth's mantle; 7.4. 3He/4He ratio and 20Ne excess in terrestrial samples; 7.5. Helium/argon isotope relationship; Chapter 8. HELIUM ISOTOPES IN ROCKS, WATERS AND GASES OF THE EARTH'S CRUST; 8.1. Distribution of 3He and 4He in rocks of the earth's crust; 8.2. The distribution of 3He and 4He in mineral fractions; 8.3. Helium isotopes in some minerals; 8.4. Distribution and origin of helium and argon isotopes in gas-liquid microinclusions in minerals.
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Summary: Helium Isotopes in Nature.
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Includes bibliographical references (pages 249-267) and index.

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Print version record.

Front Cover; Helium Isotopes in Nature; Copyright Page; PREFACE; Table of Contents; Chapter 1. COLLECTION AND PREPARATION OF NATURAL HELIUM SAMPLES FOR MASS-SPECTROMETRIC ANALYSIS; 1.1. Vessels for collecting and long storage of natural helium samples; 1.2. Collecting of gaseous and fluid samples; 1.3. Helium extraction from fluid microinclusions in minerals; 1.4. Helium extraction from solids; 1.5. Purification of helium from accompanying gases; 1.6. A modern all-metal system for extraction and purification of helium; Chapter 2. MEASUREMENT OF HELIUM CONTENTS IN SAMPLES.

HELIUM STANDARDS WITH A GIVEN ISOTOPE RATIO2.1. Measurement of helium contents in terrestrial gases; 2.2. Preparation of standard mixtures of 3He and 4He; 2.3. Helium isotope composition in the lower atmosphere; 2.4. Universal mass-spectrometer leak-in system for helium isotope studies; Chapter 3. PECULIAR FEATURES OF MASS-SPECTROMETRIC ISOTOPE ANALYSES OF TERRESTRIAL HELIUM; 3.1. Resolution of a mass spectrometer; 3.2. Background of 4He scattered ions and its suppression in the measurements of very low 3He/4He ratios; 3.3. Background of scattered HD+ and H3+ ions.

3.4. ""Memory"" and other factors affecting the measurements of 3He and 4He abundance in terrestrial samples3.5. Two-beam mode of operation and static mode of pumping a mass spectrometer; 3.6. Requirements for a mass spectrometer used for natural helium isotope measurements; Chapter 4. ISOTOPIC ANALYSIS OF NATURAL HELIUM BY A STATIC MAGNETIC MASS SPECTROMETER; 4.1. One-stage magnetic static mass spectrometer; 4.2. Multi-stage static mass spectrometers; 4.3. Results obtained by means of magnetic static mass spectrometers; Chapter 5. MAGNETIC RESONANCE MASS SPECTROMETER (MRMS).

5.1. Design and operating principles of the MRMS5.2. Ways to ensure the analytical parameters; 5.3. A laboratory mass spectrometer; 5.4. Industrial magnetic resonance mass spectrometer MI 9302; 5.5. Solution of the most difficult problems of helium isotope studies achieved with the MRMS; Chapter 6. LIGHT NOBLE GAS ISOTOPES IN METEORITES; 6.1. Meteorites and the earth; 6.2. Primordial noble gases in meteorites; 6.3. Isotopes of light noble gases in meteorites; 6.4. Noble gases in the terrestrial atmosphere; Chapter 7. HELIUM ISOTOPES IN THE EARTH'S MANTLE.

7.1. Abundance of 4He and 3He in radiogenic helium7.2. Helium isotopes in mantle materials; 7.3. On the nature of 3He excess in the earth's mantle; 7.4. 3He/4He ratio and 20Ne excess in terrestrial samples; 7.5. Helium/argon isotope relationship; Chapter 8. HELIUM ISOTOPES IN ROCKS, WATERS AND GASES OF THE EARTH'S CRUST; 8.1. Distribution of 3He and 4He in rocks of the earth's crust; 8.2. The distribution of 3He and 4He in mineral fractions; 8.3. Helium isotopes in some minerals; 8.4. Distribution and origin of helium and argon isotopes in gas-liquid microinclusions in minerals.

Helium Isotopes in Nature.

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