Vapor pressure of mercury: 0.0017 torr at 25C
From: Jared Sherman
Date: 2003 Jul 15, 15:09 -0400
"A major advantage to using mercury in a manometer is the low vapor pressure of
mercury, which is 0.0017 torr at 25 o C."
One of many from a fast googleon "vapor pressure of mercury".
Torr?