Thanks to Mike Kann's url, some surfing lead to a useful reference.
http://www.svc.org/H/TM9-1501.pdf
http://www.svc.org/
also contains good reading - look in history
while there, check out;-
http://www.svc.org/P/P_EducationalGuideIntro.html
Useful Vaccum manual online
- Doug Coulter
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Re: Useful Vaccum manual online
I'll second that -- good reading indeed.
I would also stress (arrgh) that more people get a mass spec or rga to find out what's left in their tank when they hit base pressure. You'll have a real eye & mind opening experience once you see a couple of plots. They're a little tough to read as for example water can have different ways to break up, and a couple different isotopes of H and O, but worth it to learn how. It saves endless wondering about why some results don't repeat, or why something that should work, doesn't.
I would also stress (arrgh) that more people get a mass spec or rga to find out what's left in their tank when they hit base pressure. You'll have a real eye & mind opening experience once you see a couple of plots. They're a little tough to read as for example water can have different ways to break up, and a couple different isotopes of H and O, but worth it to learn how. It saves endless wondering about why some results don't repeat, or why something that should work, doesn't.
Why guess when you can know? Measure!