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

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

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 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:...

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

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...

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

especially those ones in the vicinity of island of stability. Sulfur isotope biogeochemistry "Standard Atomic Weights: Sulfur". CIAAW. 2009. Prohaska, Thomas;...

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...

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...

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

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

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

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

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...

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

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

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

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

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...

proxies, including fossil pollen and stable carbon, nitrogen and hydrogen isotopes. Combined with the antiquity of hyrax middens, and the often-continuous...

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

is element 47 (silver). Heavier isotopes decay mostly through beta emission producing element 49 (indium). One isotope of cadmium, 113Cd, absorbs neutrons...

of long-lived radioactive isotopes. Bismuth was long thought to be non-radioactive, but 209 Bi (its longest lived isotope) actually decays with a half...

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

microbial communities still requires more comprehensive research. However, isotope data suggests that microorganisms influence dissolved inorganic nitrogen...