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Tungsten Isotopes

Stable Tungsten Isotopes - W Isotopes
Nominal mass Accurate
mass
% Natural abundance Chemical form Enrichment available %

180W 179.946701 (5) 0.12 (1) oxide, metal 5 - 95+

182W 181.948202 (3) 26.50 (16) oxide, metal 81 - 99+

183W 182.950220 (3) 14.31 (4) metal 96+

184 W 183.950928 (3) 30.64 (2) oxide, metal, fluoride 85 - 96+

186 W 185.954357 (4) 28.43 (19) oxide, metal, fluoride 95 - 99+
Tungsten Isotopes are used in several applications. W-180 is used for the production of the therapeutic radioisotope W-181. W-186 is used for the production of W-188 which is used in so-called Tungsten-Rhenium generators. The W-188 daughter Re-188 is “milked” from there generators and used as a therapeutic radioisotope. W-184 has been used to study the elastic and inelastic scattering of heavy ions.