Isotope

Our product range includes a wide range of cesium isotopes, thulium isotopes, lutetium isotopes and bismuth isotopes.

Cesium Isotopes

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Grade Standard	Industrial Grade
Category	Liquefied Gases
Purity (%)	99.99%
Principal Type	Atmospheric Gases
Brand	DIG

Nominal mass	Accurate Mass	% Natural abundance	Chemical form	Enrichment available %

¹³³Cs	133.905429 (7)	100	N/A	100

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Thulium Isotopes

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Nominal mass	Accurate	% Natural abundance	Chemical form	Enrichment available %
	mass
¹⁶⁹Tm	168.934212 (4)	100	N/A	100

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Lutetium Isotopes

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Nominal mass	Accurate mass	% Natural abundance	Chemical form	Enrichment available %

¹⁷⁵Lu	174.940770 (3)	97.41 (2)	oxide	98 - 99+
¹⁷⁶Lu	175.942679 (3)	2.59 (2)	oxide	52 - 88+

Both Lutetium Isotopes are generally considered to be stable, although strictly speaking Lu-176 is not entirely stable with a half-life of 3.78 x 1010 years. Lu-175 can be used as a yield tracer in the ICP-MS based determination of Pu in urine. Lu-176 is used for the production of radioactive Lu-177 which is a very promising radio-immunotherapy isotope for the treatment of small, soft tumors.

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