T (K),ln(R/A),x_err (K),y_err_lower,y_err_upper,conc (mg/ml)
251.376,1.797,0.223,0.165,0.142,1
250.693,2.802,0.223,0.257,0.204,1
250.212,2.820,0.223,0.558,0.356,1
249.807,4.013,0.223,0.426,0.298,1
249.620,4.076,0.223,0.271,0.213,1