## Mash boiling temperature equation

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• Hi Folks, I have been trying to reverse engineer the equation from www.homedistiller.org for working out what the boiling temperature of mash is: T (in C) =
Message 1 of 1 , May 28, 2006
Hi Folks,

I have been trying to reverse engineer the equation from
www.homedistiller.org for working out what the boiling temperature of mash
is:

T (in C) = 60.526 * %liq ^ 4 - 163.16 * %liq ^ 3 + 163.96 * %liq ^ 2 -
83.438 * %liq + 100

I think that the "100" at the end of the equation is the boiling temperature
of water since at sea level water boils @ 100°C... If so the attached
spreadsheet may be useful for determining the temperature of water above
sealevel since at altitude it boils at less than 100°C. So for those at
altitude enter the boiling temperature of water (distilled?) where you
are and the %abv of the mash and the spreadsheet returns the boiling temp
for the mash.

This would seem to be supported by:
%liq ^ 4 = 60.526 where %liq = 100% (1st variable = 1st constant)
%liq ^ 3 = -163.16 where %liq = 100% (2nd variable = 2nd constant)
%liq ^ 2 = 163.96 where %liq = 100% (3rd variable = 3rd constant)
%liq ^ = - 83.438 where %liq = 100% (4th variable = 4th constant)

If anyone can explain how the four constants are calculated I would
appreciate it since then I'd understand the equation. In the meantime I'll
be looking for a copy of Maths for Dummies:)

Cheers,
John

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