Nitrogen (N) Isotopes

Enriched stable Nitrogen (N) isotopes:
Nominal mass	Accurate mass	% Natural abundance	Chemical form	Enrichment available %

¹⁴ N	14.003074002	99.634 (7)	N/A	N/A

¹⁵N	15.00010897	0.366 (7)	N/A	N/A

Nitrogen isotopes N-14 and N-15 are both used in various applications. N-15 is used for the production of the radioisotope O-15 which is used in PET. N-15 is also used to study the uptake of Nitrogen in plants and the metabolism of proteins in the human body. N-14 is used for the production of the PET radioisotope C-11. It can also be used for the production of the PET radioisotopes N-13 and O-15.

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