Natural Variations In Isotopic Abundance Ratios Of Silicon And Their Significance PDF Download
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Author | : David Tilles |
Publisher | : |
Total Pages | : 284 |
Release | : 1960 |
Genre | : Silicon |
ISBN | : |
Download Natural Variations in Isotopic Abundance Ratios of Silicon and Their Significance Book in PDF, ePub and Kindle
Author | : Tyler B. Coplen |
Publisher | : |
Total Pages | : 112 |
Release | : 2002 |
Genre | : Geochemistry |
ISBN | : |
Download Compilation of Minimum and Maximum Isotope Ratios of Selected Elements in Naturally Occurring Terrestrial Materials and Reagents Book in PDF, ePub and Kindle
Documented variations in the isotopic compositions of some chemical elements are responsible for expanded uncertainties in the standard atomic weights published by the Commission on Atomic Weights and Isotopic Abundances of the International Union of Pure and Applied Chemistry. This report summarizes reported variations in the isotopic compositions of 20 elements that are due to physical and chemical fractionation processes (not due to radioactive decay) and their effects on the standard atomic weight uncertainties. For 11 of those elements (hydrogen, lithium, boron, carbon, nitrogen, oxygen, silicon, sulfur, chlorine, copper, and selenium), standard atomic weight uncertainties have been assigned values that are substantially larger than analytical uncertainties because of common isotope abundance variations in materials of natural terrestrial origin. For 2 elements (chromium and thallium), recently reported isotope abundance variations potentially are large enough to result in future expansion of their atomic weight uncertainties. For 7 elements (magnesium, calcium, iron, zinc, molybdenum, palladium, and tellurium), documented isotope-abundance variations in materials of natural terrestrial origin are too small to have a significant effect on their standard atomic weight uncertainties.
Author | : Tiping Ding |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 290 |
Release | : 2017-12-18 |
Genre | : Medical |
ISBN | : 3110402459 |
Download Geochemistry of Silicon Isotopes Book in PDF, ePub and Kindle
The book starts with an introduction on silicon isotopes and related analytical methods, and explains the mechanisms of silicon isotope fractionation. Silicon isotope distributions in lithosphere, hydrosphere and biosphere are shown based on results from field studies, and silicon isotope relevance for applications are presented.
Author | : Robert E. Criss |
Publisher | : Oxford University Press |
Total Pages | : 265 |
Release | : 1999-06-03 |
Genre | : Science |
ISBN | : 0195353528 |
Download Principles of Stable Isotope Distribution Book in PDF, ePub and Kindle
This book presents a quantitative treatment of the theory and natural variations of light stable isotopes. It discusses isotope distribution in the context of fractionation processes, thermodynamics, mass conservation, exchange kinetics, and diffusion theory, and includes more than 100 original equations. The theoretical principles are illustrated with natural examples that emphasize oxygen and hydrogen isotope variations in natural waters, terrestrial and extraterrestrial rocks, and hydrothermal systems. New data on meteoric precipitation, rivers, springs, formation fluids, and hydrothermal systems are included in relation to various natural phenomena. Essentially, this book seeks to reconnect the diverse phenomenological observations of isotope distribution to the quantitative theories of physical chemistry and the language of differential equations. It may serve as a textbook for advanced students, as a research reference, or as a quick source of information. The book is organized into five chapters, each followed by suggested quantitative problems and a short reference list. The three theoretical chapters progress from an elementary review of the physical chemistry of stable isotopes, to the thermodynamics of isotopic compounds, and finally to the calculation of isotope distribution in dynamic systems. The third and fifth chapters emphasize oxygen and hydrogen isotope variations in Earth's hydrosphere and lithosphere, constituting the most important examples of the theoretical principles. Appendices provide data on atomic weights of light elements, physical constants, mathematical relationships, and isotopic fractionation factors.
Author | : |
Publisher | : |
Total Pages | : 1024 |
Release | : 1965 |
Genre | : Geology |
ISBN | : |
Download Geological Survey Bulletin Book in PDF, ePub and Kindle
Author | : Fang-Zhen Teng |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 902 |
Release | : 2017-03-06 |
Genre | : Science |
ISBN | : 3110545632 |
Download Non-Traditional Stable Isotopes Book in PDF, ePub and Kindle
The development of multi-collector inductively coupled plasma mass spectrometry (MC-ICPMS) makes it possible to precisely measure non-traditional stable isotopes. This volume reviews the current status of non-traditional isotope geochemistry from analytical, theoretical, and experimental approaches to analysis of natural samples. In particular, important applications to cosmochemistry, high-temperature geochemistry, low-temperature geochemistry, and geobiology are discussed. This volume provides the most comprehensive review on non-traditional isotope geochemistry for students and researchers who are interested in both the theory and applications of non-traditional stable isotope geochemistry.
Author | : |
Publisher | : |
Total Pages | : 650 |
Release | : 1968 |
Genre | : Weights and measures |
ISBN | : |
Download NBS Special Publication Book in PDF, ePub and Kindle
Author | : Tyler B. Coplen |
Publisher | : |
Total Pages | : 114 |
Release | : 2002 |
Genre | : Geochemistry |
ISBN | : |
Download Compilation of Minimum and Maximum Isotope Ratios of Selected Elements in Naturally Occurring Terrestrial Materials and Reagents Book in PDF, ePub and Kindle
Documented variations in the isotopic compositions of some chemical elements are responsible for expanded uncertainties in the standard atomic weights published by the Commission on Atomic Weights and Isotopic Abundances of the International Union of Pure and Applied Chemistry. This report summarizes reported variations in the isotopic compositions of 20 elements that are due to physical and chemical fractionation processes (not due to radioactive decay) and their effects on the standard atomic weight uncertainties. For 11 of those elements (hydrogen, lithium, boron, carbon, nitrogen, oxygen, silicon, sulfur, chlorine, copper, and selenium), standard atomic weight uncertainties have been assigned values that are substantially larger than analytical uncertainties because of common isotope abundance variations in materials of natural terrestrial origin. For 2 elements (chromium and thallium), recently reported isotope abundance variations potentially are large enough to result in future expansion of their atomic weight uncertainties. For 7 elements (magnesium, calcium, iron, zinc, molybdenum, palladium, and tellurium), documented isotope-abundance variations in materials of natural terrestrial origin are too small to have a significant effect on their standard atomic weight uncertainties.
Author | : United States. National Bureau of Standards |
Publisher | : |
Total Pages | : 1216 |
Release | : 1957 |
Genre | : Government publications |
ISBN | : |
Download Publications Book in PDF, ePub and Kindle
Author | : United States. National Bureau of Standards. Technical Information and Publications Division |
Publisher | : |
Total Pages | : 804 |
Release | : 1978 |
Genre | : Government publications |
ISBN | : |
Download Catalog of National Bureau of Standards Publications, 1966-1976: pt. 1 Citations and abstracts. v. 2. pt. 1. Key word index (A through L). v. 2. pt. 2. Key word index (M through Z) Book in PDF, ePub and Kindle