Hydrogen isotope biogeochemistry (HIBGC) is the scientific study of biological, geological, and chemical processes in the environment using the distribution...

Hydrogen (1H) has three naturally occurring isotopes: 1H, 2H, and 3H. 1H and 2H are stable, while 3H has a half-life of 12.32(2) years. Heavier isotopes...

Environmental engineering science Geochemistry Geophysiology GEOTRACES Hydrogen isotope biogeochemistry IMBER Marine biogeochemical cycles Pedology Physical impacts...

isotope biogeochemistry is the study of the distribution of sulfur isotopes in biological and geological materials. In addition to its common isotope...

Hydrogen isotope biogeochemistry Allègre C.J., 2008. Isotope Geology (Cambridge University Press). Faure G., Mensing T.M. (2004), Isotopes: Principles and...

Hydrogen sulfide is a chemical compound with the formula H2S. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with...

on the isotope in question, the hydrogen cation has different names: Hydron: general name referring to the positive ion of any hydrogen isotope (H+) Proton:...

signature Radiometric dating Isotope-ratio mass spectrometry Sulfur isotope biogeochemistry Urey–Bigeleisen–Mayer equation Drever, James (2002). The Geochemistry...

Nitrogen-15 tracing is an important method used in biogeochemistry. The ratio of stable nitrogen isotopes, 15N/14N or δ15N, tends to increase with trophic...

nuclide with equal numbers of protons and neutrons Cosmogenic Sulfur isotope biogeochemistry "Standard Atomic Weights: Sulfur". CIAAW. 2009. Prohaska, Thomas;...

the various phosphates because of their key roles in biochemistry, biogeochemistry, and ecology, and their economic importance for agriculture and industry...

Transient kinetic isotope fractionation Isotopic enrichment Isotopic ratio Kinetic isotope effect Hydrogen isotope biogeochemistry Carol Kendall (2004)...

lava Stratospheric sulfur aerosols Sulfur assimilation Sulfur isotope biogeochemistry Ultra-low sulfur diesel "Standard Atomic Weights: Sulfur". CIAAW...

Methane clumped isotopes are methane molecules that contain two or more rare isotopes. Methane (CH4) contains two elements, carbon and hydrogen, each of which...

land. There are biogeochemical cycles for the elements calcium, carbon, hydrogen, mercury, nitrogen, oxygen, phosphorus, selenium, and sulfur; molecular...

Schidlowski M, Hayes JM, Kaplan IR (1983). "Isotopic inferences of ancient biochemistries-Carbon, sulfur, hydrogen, and nitrogen.". In Schopf JW (ed.). Earth's...

Trace metal stable isotope biogeochemistry is the study of the distribution and relative abundances of trace metal isotopes in order to better understand...

elements to the world's oceans, thus contributing to global marine biogeochemistry. Relative to the majority of the deep sea, the areas around hydrothermal...

position-specific isotope biogeochemistry studies these intramolecular variations, known as “position-specific isotope” and “site-specific isotope” enrichments...

(significant variations in global isotope ratios) recognised. These excursions record changes in the biogeochemistry of the oceans and atmosphere, which...

react with certain stable isotopes of carbon. The selective enrichment of one stable isotope over another creates distinct isotopic fractionations that can...

3d9 4s1. The isotopes of nickel range in atomic weight from 48 u (48 Ni) to 82 u (82 Ni). Natural nickel is composed of five stable isotopes, 58 Ni, 60...

processes. Timeline of the Manhattan Project Isotope-ratio mass spectrometry Hydrogen isotope biogeochemistry Bigeleisen & Mayer (1947) contains the addendum:...

discovered in 1836 by Edmund Davy, who identified it as a "new carburet of hydrogen". It was an accidental discovery while attempting to isolate potassium...

concerned with the biochemistry of the Early Earth with a focus on isotope-biogeochemistry and the evidence of the earliest life processes in Precambrian...

– A synthesis project bringing together oceanographic data Hydrogen isotope biogeochemistry – Hypoxia (environmental) – Low environmental oxygen levels...

measurements of the elemental and isotopic composition of a sample. The NanoSIMS is able to create nanoscale maps of elemental or isotopic distribution, parallel...

heavy isotope relative to the reactants (low heavy isotope to light isotope ratio), and although this is not always the case, the study of isotope fractionations...

100. Of these naturally occurring isotopes, only molybdenum-100 is unstable. Molybdenum-98 is the most abundant isotope, comprising 24.14% of all molybdenum...

doi:10.1021/ac60266a021. ISSN 0003-2700. Bian, Liangqiao (1994). Isotopic biogeochemistry of individual compounds in a modern coastal marine sediment (Kattegat...