T (K),ln(R/A),x_err (K),y_err_lower,y_err_upper,conc (mg/ml) 252.964,-5.574,0.190,3.120,0.671,5 251.624,-4.899,0.190,2.100,0.630,5 250.689,-3.610,0.190,0.699,0.407,5 253.627,-5.459,0.190,1.709,0.598,5 251.806,-4.620,0.190,0.810,0.441,5 251.506,-4.049,0.190,0.360,0.264,5