Originally Posted by
om15
The mixture is water 63 per cent, methonol 37 per cent plus Pyrodine at 0.5 % by weight, ( usually purchased ready mixed)
I'm surprised that pyridine (used as a denaturant to deter people from drinking the alcohol) is allowed in methanol for gas turbine use. I recall reading (can't remember where) that it is harmful to hot nickel alloys.
DEF STAN 01-5 (
http://www.dstan.mod.uk/ ) makes no allowance for it in AL-14 (Methanol) nor AL-28 (Water Methanol 44/56); and both specify "colourless"