definition
Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms of isotopes will have the same atomic number but a different mass number.
Unstable isotopes decay to form a different element, and are fundamental to several radiometric dating techniques including radiocarbon, potassium-argon and uranium series.
Prof. Simon Bottrell - User of sulfur isotopes to establish pathways of pollutant sulfur uptake in forest and peatland ecosystems.
The study of radiogenic isotopes is the basis of many geological dating techniques and is also an important branch of igneous geochemistry.
These stable isotopes can tell us a number of things about what a person's diet has been for most of their life.
Initially, it is placed in cooling ponds to allow short-lived radioactive isotopes to decay.
The ratio of strontium isotopes changed rapidly in Early Jurassic oceans with the result that values are time diagnostic.
Based upon the measured concentrations the lifetime risk due to the ingestion of uranium isotopes was estimated.
The release of methane into the atmosphere explains the sudden shift in carbon isotopes.
The glow sticks can be replaced with 2 high power isotopes using the silicone provided.
The NaI crystal is grown from powder that has been purified to remove uranium, thorium and radioactive isotopes of potassium.
Stable isotopes are naturally occurring and are used as a marker for what is happening inside the body.
In nuclear scanning, radioactive isotopes are used as a diagnostic agent.
Thus the changes in the open flux and cosmogenic isotopes do not appear to be linked to the 100-year drift in TSI.
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