Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
Variation of ph value of water with temperature 1
- Thread starter 2626716
- Start date
-
1
- #3
The dissociation constant for water increases with T (Log KW becomes less negative) according to
Log KW = -4470.99/T + 6.0875 - 0.01706 T
where T is degrees K, and pH = -0.5 x Log KW.
For 573 K, this equation gives pH = -5.7 cf. the ~5.5 value given by Metalguy.
Source: M. Whitfield, in Chemical Oceanography, J. P. Riley and Skirrow, Eds., Vol. 1, 2nd ed., Academic, New York, 1975, pp. 44-171. Cited by
Log KW = -4470.99/T + 6.0875 - 0.01706 T
where T is degrees K, and pH = -0.5 x Log KW.
For 573 K, this equation gives pH = -5.7 cf. the ~5.5 value given by Metalguy.
Source: M. Whitfield, in Chemical Oceanography, J. P. Riley and Skirrow, Eds., Vol. 1, 2nd ed., Academic, New York, 1975, pp. 44-171. Cited by
- Status
Similar threads
- Locked
- Question
- Question
