[time-nuts] One Kg Quartz Resonator

[Poul-Henning Kamp]

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In message <7CC93B1ACC5743A3B5536DBF798B7016 at vectron.com>, "Bob Camp" writes:

>There's a paper in the February IEEE UFFC transactions proposing that the SI
>standard of mass be replaced with a 1 KG quartz resonator. 

Has anybody ever studied if mono-isotopic quartz in the first place ?

I pressume that would be a requirement in order to link it to the
atomic weight unit ?


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