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[Azam]

Can members tell me where to get information on topic?

[gvdlans]

... on the Internet.

For example: http://www.princeton...ry.html#Skating
, http://www.newton.de...99/gen99523.htm and http://www.lsbu.ac.u...lan2.html#Pmelt as well as http://www.lsbu.ac.uk/water/phase.html

These links describe the relationship between pressure and melting/freezing temp as follows:

P= -395.2*((T/273.16)^9-1)
where T is absolute temperature in Kelvin and P is pressure in MPa.
This is valid for pressures up to 209.9 MPa. At higher pressures water freezes to ice-three, ice-five, ice-six or ice-seven at increasing temperatures.