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Author: Subject: cleaning a mcleod gauge
chemrox
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[*] posted on 29-7-2015 at 14:10
cleaning a mcleod gauge

I have a tilting mcleod gauge that I had to clean with HNO3. It's clean but now I have the HNO3 (plus Hg salts in solution) in the capillaries that are parts of the gauge. It's taking forever to get this stuff to where I can pour it out. Next I will have to rinse with acetone. I can remove that in the vac-oven. Has anyone ideas on speeding up the solution removal? I've been sonicating it with the capillaries slanted toward the large diameter plumbing.



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aga
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[*] posted on 29-7-2015 at 14:51


Wick it out.

Capilliary versus more capilliary.



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