Monday, May 14, 2007

Alkali background banishment

When I started this project, the background count rates for the alkali, in ppm equivalets, were:
Li: 87
Na: 623
Rb: 0.090
Cs: 0.037

After a year of belittling the backgrounds, the machine can now generally achieve:
Li: 0.5
Na: 161
Rb: 0.022
Cs: 0.005

I'd say that result is good enough for a conference in New Zealand. I'm going to bed now.

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