# Help reading a phase diagram? [closed]

How does the y axis work? If the pressure I am looking for is 10^‐4 to 10^‐3 nbar? I tried doing log of the yaxis but its giving me numbers that are not even close to what I am looking for.

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• What base are you using when applying the log? $log_e(10)=2.3$ whereas $log_{10}(10)=1$. Looks like you're using base 10. For sulfur dioxide the triple point is at a pressure in bar of $log_{10}(P)=-1.8$ – Buck Thorn May 18 at 18:24