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Greetings!

Can one purchase a bottle of hydrogen gas with a know dD ratio? If so,
where, and is it worth the cost?

Best!!



-- 
Jeff




*Two things are infinite: the universe and human stupidity; and I'm not
sure about the **universe. - Einstein*




*__________________________________________________________________**Jeff
Salacup, Ph.D.*
*Stable Isotope & Biogeochemistry Lab Manager*
*UMass-Amherst*