Carbon-13
Carbon-13
Carbon-13 (pronounced: /ˈkɑːrbən θɜːrˈtiːn/) is a naturally abundant, non-radioactive isotope of carbon. It has 6 protons and 7 neutrons in its nucleus, making it one of the three naturally occurring isotopes of carbon.
Etymology
The term "Carbon-13" is derived from the element carbon, which gets its name from the Latin word 'carbo', meaning 'coal'. The number 13 refers to the atomic mass of this particular isotope.
Related Terms
- Carbon-12: The most abundant isotope of carbon, making up about 99% of all carbon on Earth.
- Carbon-14: A radioactive isotope of carbon, used in carbon dating to determine the age of ancient artifacts and fossils.
- Isotope: Any of two or more forms of a chemical element, having the same number of protons in the nucleus, but different numbers of neutrons.
- Nuclear magnetic resonance: A physical phenomenon in which nuclei in a magnetic field absorb and re-emit electromagnetic radiation. Carbon-13 is often used in NMR studies.
Applications
Carbon-13 is used in a variety of scientific applications. It is used in NMR spectroscopy for the study of organic compounds. It is also used in the breath test for the detection of Helicobacter pylori, a bacterium that causes stomach ulcers.
Safety
Carbon-13 is non-radioactive and is therefore not harmful in the same way as some other isotopes of carbon. However, as with all substances, it should be handled with care.
External links
- Medical encyclopedia article on Carbon-13
- Wikipedia's article - Carbon-13
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