# NIST Chemistry WebBook, SRD 69
# https://webbook.nist.gov/cgi/fluid.cgi?Action=Load&ID=C1333740&Type=IsoBar&Digits=5&P=1&THigh=373.15&TLow=263.15&TInc=2&RefState=DEF&TUnit=K&PUnit=bar&DUnit=kg%2Fm3&HUnit=kJ%2Fmol&WUnit=m%2Fs&VisUnit=uPa*s&STUnit=N%2Fm
# Eric W. Lemmon, Mark O. McLinden and Daniel G. Friend, "Thermophysical Properties of Fluid Systems" in NIST Chemistry WebBook, NIST Standard Reference Database Number 69, Eds. P.J. Linstrom and W.G. Mallard, National Institute of Standards and Technology, Gaithersburg MD, 20899, https://doi.org/10.18434/T4D303, (retrieved June 10, 2020)
# temperature in Kelvin, nominal density in kg/Nm^3 at 1 bar
263.15 0.092080
265.15 0.091386
267.15 0.090702
269.15 0.090028
271.15 0.089364
273.15 0.088710
275.15 0.088066
277.15 0.087430
279.15 0.086804
281.15 0.086187
283.15 0.085578
285.15 0.084978
287.15 0.084387
289.15 0.083803
291.15 0.083228
293.15 0.082660
295.15 0.082100
297.15 0.081548
299.15 0.081003
301.15 0.080465
303.15 0.079934
305.15 0.079411
307.15 0.078894
309.15 0.078383
311.15 0.077880
313.15 0.077383
315.15 0.076892
317.15 0.076407
319.15 0.075928
321.15 0.075456
323.15 0.074989
325.15 0.074528
327.15 0.074072
329.15 0.073622
331.15 0.073178
333.15 0.072739
335.15 0.072305
337.15 0.071876
339.15 0.071452
341.15 0.071034
343.15 0.070620
345.15 0.070211
347.15 0.069806
349.15 0.069407
351.15 0.069012
353.15 0.068621
355.15 0.068235
357.15 0.067853
359.15 0.067475
361.15 0.067101
363.15 0.066732
365.15 0.066367
367.15 0.066005
369.15 0.065648
371.15 0.065294
373.15 0.064944
