2
0
2010
nav
tro
1
journal
Original
Navia, P.[Paloma]
Troncoso, J.[Jacobo]
Romani, L.[Luis]
J. Chem. Eng. Data
2010
2020-09-29
Dependence against Temperature and Pressure of the Isobaric Thermal Expansivity of Room Temperature Ionic Liquids
The isobaric thermal expansivity ap in the temperature and pressure intervals of (278.15 to 348.15) K and (5 to 50) MPa is reported for an assorted set of room temperature ionic liquids (RTILs) using a calorimetric method with an uncertainty of 2 %. The RTILs were selected to represent some of the most widely studied anions and cations; 1-butyl-3-methylpyridinium tetrafluoroborate [C4mpyr][BF4], 1-ethyl-3-methylimidazolium tetrafluoroborate [C2mim][BF4], 1-hexyl-3-methylimidazolium tetrafluoroborate [C6mim][BF4], 1-octyl-3-methylimidazolium tetrafluoroborate [C8mim][BF4], 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C2mim][NTf2], and 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C6mim][NTf2] are analyzed. The same general trends were obtained for the studied liquids, although differences are found both in the magnitude and in the ap behavior against temperature and pressure.
10.1021/je900482x
2
55
595-599
1
InChI=1S/C10H16N.BF4/c1-3-4-7-11-8-5-6-10(2)9-11;2-1(3,4)5/h5-6,8-9H,3-4,7H2,1-2H3;/q+1;-1
UQEAMJVKASNOMA-UHFFFAOYSA-N
1-butyl-3-methylpyridinium tetrafluoroborate
C10H16BF4N
1
Commercial source
1
99
2
Stated by supplier
2
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
3
0.0001
1
Karl Fischer titration
2
InChI=1S/C6H11N2.BF4/c1-3-8-5-4-7(2)6-8;2-1(3,4)5/h4-6H,3H2,1-2H3;/q+1;-1
CUNYTRQQXKCRTJ-UHFFFAOYSA-N
1-ethyl-3-methylimidazolium tetrafluoroborate
1-ethyl-3-methyl-1H-imidazol-3-ium tetrafluoroborate
1-ethyl-3-methylimidazolium tetrafluoroborate [EMIM][BF4]
C6H11BF4N2
1
Commercial source
1
99
2
Stated by supplier
2
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
3
0.00025
2
Karl Fischer titration
3
InChI=1S/C10H19N2.BF4/c1-3-4-5-6-7-12-9-8-11(2)10-12;2-1(3,4)5/h8-10H,3-7H2,1-2H3;/q+1;-1
MFXLOVLEQJRXFP-UHFFFAOYSA-N
1-hexyl-3-methylimidazolium tetrafluoroborate
1-hexyl-3-methylimidazolium tetrafluoroborate [HMIM][BF4]
C10H19BF4N2
1
Commercial source
1
99
2
Stated by supplier
2
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
3
0.00017
2
Karl Fischer titration
4
InChI=1S/C12H23N2.BF4/c1-3-4-5-6-7-8-9-14-11-10-13(2)12-14;2-1(3,4)5/h10-12H,3-9H2,1-2H3;/q+1;-1
GXZCAMSPWNHTAE-UHFFFAOYSA-N
1-methyl-3-octylimidazolium tetrafluoroborate
1-methyl-3-octylimidazolium tetrafluoroborate [OMIM][BF4]
1-octyl-3-methylimidazolium tetrafluoroborate
3-methyl-1-octyl-1H-imidazol-3-ium tetrafluoroborate
C12H23BF4N2
1
Commercial source
1
99
2
Stated by supplier
2
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
3
0.00011
2
Karl Fischer titration
5
InChI=1S/C6H11N2.C2F6NO4S2/c1-3-8-5-4-7(2)6-8;3-1(4,5)14(10,11)9-15(12,13)2(6,7)8/h4-6H,3H2,1-2H3;/q+1;-1
LRESCJAINPKJTO-UHFFFAOYSA-N
1-ethyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)imide
1-ethyl-3-methylimidazolium 1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamide
1-ethyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)amide
1-ethyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)imide [EMIM][NTf2]
1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide
C8H11F6N3O4S2
1
Commercial source
1
99
2
Stated by supplier
2
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
3
7e-05
1
Karl Fischer titration
6
InChI=1S/C10H19N2.C2F6NO4S2/c1-3-4-5-6-7-12-9-8-11(2)10-12;3-1(4,5)14(10,11)9-15(12,13)2(6,7)8/h8-10H,3-7H2,1-2H3;/q+1;-1
RCNFOZUBFOFJKZ-UHFFFAOYSA-N
1-hexyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide
1-hexyl-3-methylimidazolium 1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamide
1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide
1-hexyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]amide
1-hexyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide [HMIM][NTf2]
[c6mim][ntf2]
C12H19F6N3O4S2
1
Commercial source
1
99
2
Stated by supplier
2
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
De-gassed by freezing and melting in vacuum
Dried by vacuum heating
3
6e-05
1
Karl Fischer titration
1
1
1
Principal objective of the work
EP
EP
1/16/2018
1
Isobaric coefficient of expansion, 1/K
Microcalorimeter
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
278.15
5
2
5000
1
1
0.00060729
5
1
1.488e-05
1
278.15
5
2
10000
1
1
0.0006008
5
1
1.472e-05
1
278.15
5
2
15000
2
1
0.0005958
5
1
1.459e-05
1
278.15
5
2
20000
1
1
0.00059121
5
1
1.448e-05
1
278.15
5
2
25000
2
1
0.00058403
5
1
1.431e-05
1
278.15
5
2
30000
1
1
0.00058107
5
1
1.423e-05
1
278.15
5
2
35000
2
1
0.0005758
5
1
1.41e-05
1
278.15
5
2
40000
1
1
0.0005703
5
1
1.397e-05
1
278.15
5
2
45000
2
1
0.00056572
5
1
1.386e-05
1
278.15
5
2
50000
1
1
0.00056026
5
1
1.372e-05
1
288.15
5
2
5000
1
1
0.0006004
5
1
1.471e-05
1
288.15
5
2
10000
1
1
0.00059295
5
1
1.452e-05
1
288.15
5
2
15000
2
1
0.00058756
5
1
1.439e-05
1
288.15
5
2
20000
1
1
0.00058474
5
1
1.432e-05
1
288.15
5
2
25000
2
1
0.00058121
5
1
1.424e-05
1
288.15
5
2
30000
1
1
0.00057513
5
1
1.409e-05
1
288.15
5
2
35000
2
1
0.00056939
5
1
1.395e-05
1
288.15
5
2
40000
1
1
0.00056384
5
1
1.381e-05
1
288.15
5
2
45000
2
1
0.00056205
5
1
1.377e-05
1
288.15
5
2
50000
1
1
0.00055761
5
1
1.366e-05
1
298.15
5
2
5000
1
1
0.00059416
5
1
1.455e-05
1
298.15
5
2
10000
1
1
0.00058929
5
1
1.443e-05
1
298.15
5
2
15000
2
1
0.00058231
5
1
1.426e-05
1
298.15
5
2
20000
1
1
0.00057742
5
1
1.414e-05
1
298.15
5
2
25000
2
1
0.00057245
5
1
1.402e-05
1
298.15
5
2
30000
1
1
0.00056629
5
1
1.387e-05
1
298.15
5
2
35000
2
1
0.00056043
5
1
1.373e-05
1
298.15
5
2
40000
1
1
0.00055557
5
1
1.361e-05
1
298.15
5
2
45000
2
1
0.00055113
5
1
1.35e-05
1
298.15
5
2
50000
1
1
0.00054868
5
1
1.344e-05
1
308.15
5
2
5000
1
1
0.00058819
5
1
1.441e-05
1
308.15
5
2
10000
1
1
0.00058188
5
1
1.425e-05
1
308.15
5
2
15000
2
1
0.00057617
5
1
1.411e-05
1
308.15
5
2
20000
1
1
0.00056897
5
1
1.394e-05
1
308.15
5
2
25000
2
1
0.00056295
5
1
1.379e-05
1
308.15
5
2
30000
1
1
0.00055975
5
1
1.371e-05
1
308.15
5
2
35000
2
1
0.0005554
5
1
1.36e-05
1
308.15
5
2
40000
1
1
0.00055125
5
1
1.35e-05
1
308.15
5
2
45000
2
1
0.00054516
5
1
1.335e-05
1
308.15
5
2
50000
1
1
0.00054055
5
1
1.324e-05
1
318.15
5
2
5000
1
1
0.000579669
6
1
1.4199e-05
1
318.15
5
2
10000
1
1
0.000578276
6
1
1.4165e-05
1
318.15
5
2
15000
2
1
0.000572684
6
1
1.4028e-05
1
318.15
5
2
20000
1
1
0.000565001
6
1
1.384e-05
1
318.15
5
2
25000
2
1
0.00055984
5
1
1.371e-05
1
318.15
5
2
30000
1
1
0.00055446
5
1
1.358e-05
1
318.15
5
2
35000
2
1
0.000550856
6
1
1.3493e-05
1
318.15
5
2
40000
1
1
0.000545244
6
1
1.3356e-05
1
318.15
5
2
45000
2
1
0.000538915
6
1
1.3201e-05
1
318.15
5
2
50000
1
1
0.00053525
5
1
1.311e-05
1
328.15
5
2
5000
1
1
0.00057537
5
1
1.409e-05
1
328.15
5
2
10000
1
1
0.00056988
5
1
1.396e-05
1
328.15
5
2
15000
2
1
0.00056763
5
1
1.39e-05
1
328.15
5
2
20000
1
1
0.00056003
5
1
1.372e-05
1
328.15
5
2
25000
2
1
0.00055373
5
1
1.356e-05
1
328.15
5
2
30000
1
1
0.0005493
5
1
1.346e-05
1
328.15
5
2
35000
2
1
0.00054455
5
1
1.334e-05
1
328.15
5
2
40000
1
1
0.00053862
5
1
1.319e-05
1
328.15
5
2
45000
2
1
0.00053487
5
1
1.31e-05
1
328.15
5
2
50000
1
1
0.00053111
5
1
1.301e-05
1
338.15
5
2
5000
1
1
0.00057149
5
1
1.4e-05
1
338.15
5
2
10000
1
1
0.00056729
5
1
1.39e-05
1
338.15
5
2
15000
2
1
0.00056224
5
1
1.377e-05
1
338.15
5
2
20000
1
1
0.00055428
5
1
1.358e-05
1
338.15
5
2
25000
2
1
0.00054883
5
1
1.344e-05
1
338.15
5
2
30000
1
1
0.00054525
5
1
1.336e-05
1
338.15
5
2
35000
2
1
0.00053912
5
1
1.321e-05
1
338.15
5
2
40000
1
1
0.00053562
5
1
1.312e-05
1
338.15
5
2
45000
2
1
0.00053042
5
1
1.299e-05
1
338.15
5
2
50000
1
1
0.00052885
5
1
1.295e-05
1
348.15
5
2
5000
1
1
0.00056787
5
1
1.391e-05
1
348.15
5
2
10000
1
1
0.00056246
5
1
1.378e-05
1
348.15
5
2
15000
2
1
0.00055742
5
1
1.365e-05
1
348.15
5
2
20000
1
1
0.00055394
5
1
1.357e-05
1
348.15
5
2
25000
2
1
0.00054757
5
1
1.341e-05
1
348.15
5
2
30000
1
1
0.00054209
5
1
1.328e-05
1
348.15
5
2
35000
2
1
0.00053956
5
1
1.322e-05
1
348.15
5
2
40000
1
1
0.00053369
5
1
1.307e-05
1
348.15
5
2
45000
2
1
0.00052922
5
1
1.296e-05
1
348.15
5
2
50000
1
1
0.00052615
5
1
1.289e-05
2
2
1
Principal objective of the work
EP
EP
1/16/2018
1
Isobaric coefficient of expansion, 1/K
Microcalorimeter
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
278.15
5
2
5000
1
1
0.00061317
5
1
1.502e-05
1
278.15
5
2
10000
1
1
0.00060496
5
1
1.482e-05
1
278.15
5
2
15000
2
1
0.00059588
5
1
1.46e-05
1
278.15
5
2
20000
1
1
0.00059105
5
1
1.448e-05
1
278.15
5
2
25000
2
1
0.00058464
5
1
1.432e-05
1
278.15
5
2
30000
1
1
0.00058038
5
1
1.422e-05
1
278.15
5
2
35000
2
1
0.00057357
5
1
1.405e-05
1
278.15
5
2
40000
1
1
0.00056747
5
1
1.39e-05
1
278.15
5
2
45000
2
1
0.00056031
5
1
1.372e-05
1
278.15
5
2
50000
1
1
0.00055477
5
1
1.359e-05
1
288.15
5
2
5000
1
1
0.00061379
5
1
1.503e-05
1
288.15
5
2
10000
1
1
0.00060236
5
1
1.475e-05
1
288.15
5
2
15000
2
1
0.00059093
5
1
1.447e-05
1
288.15
5
2
20000
1
1
0.0005874
5
1
1.439e-05
1
288.15
5
2
25000
2
1
0.00058144
5
1
1.424e-05
1
288.15
5
2
30000
1
1
0.00057443
5
1
1.407e-05
1
288.15
5
2
35000
2
1
0.00056909
5
1
1.394e-05
1
288.15
5
2
40000
1
1
0.0005614
5
1
1.375e-05
1
288.15
5
2
45000
2
1
0.00055579
5
1
1.361e-05
1
288.15
5
2
50000
1
1
0.00055365
5
1
1.356e-05
1
298.15
5
2
5000
1
1
0.00060087
5
1
1.472e-05
1
298.15
5
2
10000
1
1
0.00059563
5
1
1.459e-05
1
298.15
5
2
15000
2
1
0.00058737
5
1
1.439e-05
1
298.15
5
2
20000
1
1
0.00058049
5
1
1.422e-05
1
298.15
5
2
25000
2
1
0.0005752
5
1
1.409e-05
1
298.15
5
2
30000
1
1
0.00056752
5
1
1.39e-05
1
298.15
5
2
35000
2
1
0.00056145
5
1
1.375e-05
1
298.15
5
2
40000
1
1
0.00055354
5
1
1.356e-05
1
298.15
5
2
45000
2
1
0.00054927
5
1
1.345e-05
1
298.15
5
2
50000
1
1
0.00054498
5
1
1.335e-05
1
308.15
5
2
5000
1
1
0.00059667
5
1
1.462e-05
1
308.15
5
2
10000
1
1
0.0005889
5
1
1.443e-05
1
308.15
5
2
15000
2
1
0.0005808
5
1
1.423e-05
1
308.15
5
2
20000
1
1
0.00057282
5
1
1.403e-05
1
308.15
5
2
25000
2
1
0.00056615
5
1
1.387e-05
1
308.15
5
2
30000
1
1
0.00056073
5
1
1.374e-05
1
308.15
5
2
35000
2
1
0.00055444
5
1
1.358e-05
1
308.15
5
2
40000
1
1
0.00054986
5
1
1.347e-05
1
308.15
5
2
45000
2
1
0.00054176
5
1
1.327e-05
1
308.15
5
2
50000
1
1
0.00053695
5
1
1.315e-05
1
318.15
5
2
5000
1
1
0.00058905
5
1
1.443e-05
1
318.15
5
2
10000
1
1
0.0005847
5
1
1.432e-05
1
318.15
5
2
15000
2
1
0.00057627
5
1
1.412e-05
1
318.15
5
2
20000
1
1
0.00056879
5
1
1.393e-05
1
318.15
5
2
25000
2
1
0.0005629
5
1
1.379e-05
1
318.15
5
2
30000
1
1
0.00055605
5
1
1.362e-05
1
318.15
5
2
35000
2
1
0.00055007
5
1
1.347e-05
1
318.15
5
2
40000
1
1
0.0005438
5
1
1.332e-05
1
318.15
5
2
45000
2
1
0.00053698
5
1
1.315e-05
1
318.15
5
2
50000
1
1
0.00053155
5
1
1.302e-05
1
328.15
5
2
5000
1
1
0.00058457
5
1
1.432e-05
1
328.15
5
2
10000
1
1
0.00057823
5
1
1.416e-05
1
328.15
5
2
15000
2
1
0.00057283
5
1
1.403e-05
1
328.15
5
2
20000
1
1
0.00056555
5
1
1.385e-05
1
328.15
5
2
25000
2
1
0.00055686
5
1
1.364e-05
1
328.15
5
2
30000
1
1
0.0005503
5
1
1.348e-05
1
328.15
5
2
35000
2
1
0.00054428
5
1
1.333e-05
1
328.15
5
2
40000
1
1
0.00053706
5
1
1.316e-05
1
328.15
5
2
45000
2
1
0.00053257
5
1
1.305e-05
1
328.15
5
2
50000
1
1
0.00052767
5
1
1.293e-05
1
338.15
5
2
5000
1
1
0.00058245
5
1
1.427e-05
1
338.15
5
2
10000
1
1
0.00057354
5
1
1.405e-05
1
338.15
5
2
15000
2
1
0.00056928
5
1
1.394e-05
1
338.15
5
2
20000
1
1
0.00055984
5
1
1.371e-05
1
338.15
5
2
25000
2
1
0.0005528
5
1
1.354e-05
1
338.15
5
2
30000
1
1
0.0005487
5
1
1.344e-05
1
338.15
5
2
35000
2
1
0.0005396
5
1
1.322e-05
1
338.15
5
2
40000
1
1
0.00053436
5
1
1.309e-05
1
338.15
5
2
45000
2
1
0.00052891
5
1
1.296e-05
1
338.15
5
2
50000
1
1
0.00052477
5
1
1.285e-05
1
348.15
5
2
5000
1
1
0.00057854
5
1
1.417e-05
1
348.15
5
2
10000
1
1
0.0005741
5
1
1.406e-05
1
348.15
5
2
15000
2
1
0.00056601
5
1
1.386e-05
1
348.15
5
2
20000
1
1
0.00056166
5
1
1.376e-05
1
348.15
5
2
25000
2
1
0.00055402
5
1
1.357e-05
1
348.15
5
2
30000
1
1
0.00054639
5
1
1.338e-05
1
348.15
5
2
35000
2
1
0.00054
5
1
1.323e-05
1
348.15
5
2
40000
1
1
0.00053304
5
1
1.306e-05
1
348.15
5
2
45000
2
1
0.00052716
5
1
1.291e-05
1
348.15
5
2
50000
1
1
0.0005213
5
1
1.277e-05
3
3
1
Principal objective of the work
EP
EP
1/16/2018
1
Isobaric coefficient of expansion, 1/K
Microcalorimeter
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
278.15
5
2
5000
1
1
0.00062099
5
1
1.521e-05
1
278.15
5
2
10000
1
1
0.00061283
5
1
1.501e-05
1
278.15
5
2
15000
2
1
0.00060464
5
1
1.481e-05
1
278.15
5
2
20000
1
1
0.00059798
5
1
1.465e-05
1
278.15
5
2
25000
2
1
0.00059014
5
1
1.446e-05
1
278.15
5
2
30000
1
1
0.00058372
5
1
1.43e-05
1
278.15
5
2
35000
2
1
0.0005763
5
1
1.412e-05
1
278.15
5
2
40000
1
1
0.00057196
5
1
1.401e-05
1
278.15
5
2
45000
2
1
0.00056207
5
1
1.377e-05
1
278.15
5
2
50000
1
1
0.00055761
5
1
1.366e-05
1
288.15
5
2
5000
1
1
0.00061599
5
1
1.509e-05
1
288.15
5
2
10000
1
1
0.0006064
5
1
1.485e-05
1
288.15
5
2
15000
2
1
0.0005998
5
1
1.469e-05
1
288.15
5
2
20000
1
1
0.00059287
5
1
1.452e-05
1
288.15
5
2
25000
2
1
0.00058633
5
1
1.436e-05
1
288.15
5
2
30000
1
1
0.00057901
5
1
1.418e-05
1
288.15
5
2
35000
2
1
0.00057243
5
1
1.402e-05
1
288.15
5
2
40000
1
1
0.00056475
5
1
1.383e-05
1
288.15
5
2
45000
2
1
0.00055833
5
1
1.368e-05
1
288.15
5
2
50000
1
1
0.0005546
5
1
1.358e-05
1
298.15
5
2
5000
1
1
0.00061046
5
1
1.495e-05
1
298.15
5
2
10000
1
1
0.00060325
5
1
1.478e-05
1
298.15
5
2
15000
2
1
0.00059488
5
1
1.457e-05
1
298.15
5
2
20000
1
1
0.00058591
5
1
1.435e-05
1
298.15
5
2
25000
2
1
0.00057998
5
1
1.421e-05
1
298.15
5
2
30000
1
1
0.00057259
5
1
1.403e-05
1
298.15
5
2
35000
2
1
0.00056371
5
1
1.381e-05
1
298.15
5
2
40000
1
1
0.00055776
5
1
1.366e-05
1
298.15
5
2
45000
2
1
0.00055221
5
1
1.353e-05
1
298.15
5
2
50000
1
1
0.00054683
5
1
1.339e-05
1
308.15
5
2
5000
1
1
0.0006054
5
1
1.483e-05
1
308.15
5
2
10000
1
1
0.00059634
5
1
1.461e-05
1
308.15
5
2
15000
2
1
0.00058898
5
1
1.443e-05
1
308.15
5
2
20000
1
1
0.00057904
5
1
1.418e-05
1
308.15
5
2
25000
2
1
0.00057187
5
1
1.401e-05
1
308.15
5
2
30000
1
1
0.00056494
5
1
1.384e-05
1
308.15
5
2
35000
2
1
0.00055969
5
1
1.371e-05
1
308.15
5
2
40000
1
1
0.00055313
5
1
1.355e-05
1
308.15
5
2
45000
2
1
0.0005453
5
1
1.336e-05
1
308.15
5
2
50000
1
1
0.00054089
5
1
1.325e-05
1
318.15
5
2
5000
1
1
0.00059927
5
1
1.468e-05
1
318.15
5
2
10000
1
1
0.00059427
5
1
1.456e-05
1
318.15
5
2
15000
2
1
0.00058466
5
1
1.432e-05
1
318.15
5
2
20000
1
1
0.00057332
5
1
1.404e-05
1
318.15
5
2
25000
2
1
0.00056637
5
1
1.387e-05
1
318.15
5
2
30000
1
1
0.00056
5
1
1.372e-05
1
318.15
5
2
35000
2
1
0.00055368
5
1
1.356e-05
1
318.15
5
2
40000
1
1
0.00054487
5
1
1.335e-05
1
318.15
5
2
45000
2
1
0.00053727
5
1
1.316e-05
1
318.15
5
2
50000
1
1
0.00053214
5
1
1.303e-05
1
328.15
5
2
5000
1
1
0.00059407
5
1
1.455e-05
1
328.15
5
2
10000
1
1
0.00058667
5
1
1.437e-05
1
328.15
5
2
15000
2
1
0.00057968
5
1
1.42e-05
1
328.15
5
2
20000
1
1
0.00057199
5
1
1.401e-05
1
328.15
5
2
25000
2
1
0.00056175
5
1
1.376e-05
1
328.15
5
2
30000
1
1
0.00055487
5
1
1.359e-05
1
328.15
5
2
35000
2
1
0.00054901
5
1
1.345e-05
1
328.15
5
2
40000
1
1
0.00054022
5
1
1.323e-05
1
328.15
5
2
45000
2
1
0.00053587
5
1
1.313e-05
1
328.15
5
2
50000
1
1
0.00053079
5
1
1.3e-05
1
338.15
5
2
5000
1
1
0.00059147
5
1
1.449e-05
1
338.15
5
2
10000
1
1
0.00058378
5
1
1.43e-05
1
338.15
5
2
15000
2
1
0.00057546
5
1
1.41e-05
1
338.15
5
2
20000
1
1
0.00056744
5
1
1.39e-05
1
338.15
5
2
25000
2
1
0.00055799
5
1
1.367e-05
1
338.15
5
2
30000
1
1
0.000553
5
1
1.355e-05
1
338.15
5
2
35000
2
1
0.00054447
5
1
1.334e-05
1
338.15
5
2
40000
1
1
0.00053784
5
1
1.317e-05
1
338.15
5
2
45000
2
1
0.00053207
5
1
1.303e-05
1
338.15
5
2
50000
1
1
0.00052838
5
1
1.294e-05
1
348.15
5
2
5000
1
1
0.00058848
5
1
1.441e-05
1
348.15
5
2
10000
1
1
0.00058166
5
1
1.425e-05
1
348.15
5
2
15000
2
1
0.00057185
5
1
1.401e-05
1
348.15
5
2
20000
1
1
0.00056253
5
1
1.378e-05
1
348.15
5
2
25000
2
1
0.00055547
5
1
1.361e-05
1
348.15
5
2
30000
1
1
0.00054801
5
1
1.342e-05
1
348.15
5
2
35000
2
1
0.00054307
5
1
1.33e-05
1
348.15
5
2
40000
1
1
0.0005348
5
1
1.31e-05
1
348.15
5
2
45000
2
1
0.0005292
5
1
1.296e-05
1
348.15
5
2
50000
1
1
0.00052191
5
1
1.278e-05
4
4
1
Principal objective of the work
EP
EP
1/16/2018
1
Isobaric coefficient of expansion, 1/K
Microcalorimeter
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
278.15
5
2
5000
1
1
0.00062099
5
1
1.242e-05
1
278.15
5
2
10000
1
1
0.00061283
5
1
1.226e-05
1
278.15
5
2
15000
2
1
0.00060464
5
1
1.209e-05
1
278.15
5
2
20000
1
1
0.00059798
5
1
1.196e-05
1
278.15
5
2
25000
2
1
0.00059014
5
1
1.18e-05
1
278.15
5
2
30000
1
1
0.00058372
5
1
1.167e-05
1
278.15
5
2
35000
2
1
0.0005763
5
1
1.153e-05
1
278.15
5
2
40000
1
1
0.00057196
5
1
1.144e-05
1
278.15
5
2
45000
2
1
0.00056207
5
1
1.124e-05
1
278.15
5
2
50000
1
1
0.00055761
5
1
1.115e-05
1
288.15
5
2
5000
1
1
0.00061599
5
1
1.232e-05
1
288.15
5
2
10000
1
1
0.0006064
5
1
1.213e-05
1
288.15
5
2
15000
2
1
0.0005998
5
1
1.2e-05
1
288.15
5
2
20000
1
1
0.00059287
5
1
1.186e-05
1
288.15
5
2
25000
2
1
0.00058633
5
1
1.173e-05
1
288.15
5
2
30000
1
1
0.00057901
5
1
1.158e-05
1
288.15
5
2
35000
2
1
0.00057243
5
1
1.145e-05
1
288.15
5
2
40000
1
1
0.00056475
5
1
1.13e-05
1
288.15
5
2
45000
2
1
0.00055833
5
1
1.117e-05
1
288.15
5
2
50000
1
1
0.0005546
5
1
1.109e-05
1
298.15
5
2
5000
1
1
0.00061046
5
1
1.221e-05
1
298.15
5
2
10000
1
1
0.00060325
5
1
1.207e-05
1
298.15
5
2
15000
2
1
0.00059488
5
1
1.19e-05
1
298.15
5
2
20000
1
1
0.00058591
5
1
1.172e-05
1
298.15
5
2
25000
2
1
0.00057998
5
1
1.16e-05
1
298.15
5
2
30000
1
1
0.00057259
5
1
1.145e-05
1
298.15
5
2
35000
2
1
0.00056371
5
1
1.127e-05
1
298.15
5
2
40000
1
1
0.00055776
5
1
1.116e-05
1
298.15
5
2
45000
2
1
0.00055221
5
1
1.104e-05
1
298.15
5
2
50000
1
1
0.00054683
5
1
1.094e-05
1
308.15
5
2
5000
1
1
0.0006054
5
1
1.211e-05
1
308.15
5
2
10000
1
1
0.00059634
5
1
1.193e-05
1
308.15
5
2
15000
2
1
0.00058898
5
1
1.178e-05
1
308.15
5
2
20000
1
1
0.00057904
5
1
1.158e-05
1
308.15
5
2
25000
2
1
0.00057187
5
1
1.144e-05
1
308.15
5
2
30000
1
1
0.00056494
5
1
1.13e-05
1
308.15
5
2
35000
2
1
0.00055969
5
1
1.119e-05
1
308.15
5
2
40000
1
1
0.00055313
5
1
1.106e-05
1
308.15
5
2
45000
2
1
0.0005453
5
1
1.091e-05
1
308.15
5
2
50000
1
1
0.00054089
5
1
1.082e-05
1
318.15
5
2
5000
1
1
0.00059927
5
1
1.199e-05
1
318.15
5
2
10000
1
1
0.00059427
5
1
1.189e-05
1
318.15
5
2
15000
2
1
0.00058466
5
1
1.169e-05
1
318.15
5
2
20000
1
1
0.00057332
5
1
1.147e-05
1
318.15
5
2
25000
2
1
0.00056637
5
1
1.133e-05
1
318.15
5
2
30000
1
1
0.00056
5
1
1.12e-05
1
318.15
5
2
35000
2
1
0.00055368
5
1
1.107e-05
1
318.15
5
2
40000
1
1
0.00054487
5
1
1.09e-05
1
318.15
5
2
45000
2
1
0.00053727
5
1
1.075e-05
1
318.15
5
2
50000
1
1
0.00053214
5
1
1.064e-05
1
328.15
5
2
5000
1
1
0.00059407
5
1
1.188e-05
1
328.15
5
2
10000
1
1
0.00058667
5
1
1.173e-05
1
328.15
5
2
15000
2
1
0.00057968
5
1
1.159e-05
1
328.15
5
2
20000
1
1
0.00057199
5
1
1.144e-05
1
328.15
5
2
25000
2
1
0.00056175
5
1
1.124e-05
1
328.15
5
2
30000
1
1
0.00055487
5
1
1.11e-05
1
328.15
5
2
35000
2
1
0.00054901
5
1
1.098e-05
1
328.15
5
2
40000
1
1
0.00054022
5
1
1.08e-05
1
328.15
5
2
45000
2
1
0.00053587
5
1
1.072e-05
1
328.15
5
2
50000
1
1
0.00053079
5
1
1.062e-05
1
338.15
5
2
5000
1
1
0.00059147
5
1
1.183e-05
1
338.15
5
2
10000
1
1
0.00058378
5
1
1.168e-05
1
338.15
5
2
15000
2
1
0.00057546
5
1
1.151e-05
1
338.15
5
2
20000
1
1
0.00056744
5
1
1.135e-05
1
338.15
5
2
25000
2
1
0.00055799
5
1
1.116e-05
1
338.15
5
2
30000
1
1
0.000553
5
1
1.106e-05
1
338.15
5
2
35000
2
1
0.00054447
5
1
1.089e-05
1
338.15
5
2
40000
1
1
0.00053784
5
1
1.076e-05
1
338.15
5
2
45000
2
1
0.00053207
5
1
1.064e-05
1
338.15
5
2
50000
1
1
0.00052838
5
1
1.057e-05
1
348.15
5
2
5000
1
1
0.00058848
5
1
1.177e-05
1
348.15
5
2
10000
1
1
0.00058166
5
1
1.163e-05
1
348.15
5
2
15000
2
1
0.00057185
5
1
1.144e-05
1
348.15
5
2
20000
1
1
0.00056253
5
1
1.125e-05
1
348.15
5
2
25000
2
1
0.00055547
5
1
1.111e-05
1
348.15
5
2
30000
1
1
0.00054801
5
1
1.096e-05
1
348.15
5
2
35000
2
1
0.00054307
5
1
1.086e-05
1
348.15
5
2
40000
1
1
0.0005348
5
1
1.07e-05
1
348.15
5
2
45000
2
1
0.0005292
5
1
1.058e-05
1
348.15
5
2
50000
1
1
0.00052191
5
1
1.044e-05
5
5
1
Principal objective of the work
EP
EP
1/16/2018
1
Isobaric coefficient of expansion, 1/K
Microcalorimeter
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
278.15
5
2
5000
1
1
0.00067002
5
1
1.641e-05
1
278.15
5
2
10000
1
1
0.00065894
5
1
1.614e-05
1
278.15
5
2
15000
2
1
0.00065071
5
1
1.594e-05
1
278.15
5
2
20000
1
1
0.00064531
5
1
1.581e-05
1
278.15
5
2
25000
2
1
0.00063416
5
1
1.553e-05
1
278.15
5
2
30000
1
1
0.00062773
5
1
1.538e-05
1
278.15
5
2
35000
2
1
0.00062296
5
1
1.526e-05
1
278.15
5
2
40000
1
1
0.00061217
5
1
1.5e-05
1
278.15
5
2
45000
2
1
0.00060567
5
1
1.484e-05
1
278.15
5
2
50000
1
1
0.00060011
5
1
1.47e-05
1
288.15
5
2
5000
1
1
0.00066372
5
1
1.626e-05
1
288.15
5
2
10000
1
1
0.00065285
5
1
1.599e-05
1
288.15
5
2
15000
2
1
0.00064581
5
1
1.582e-05
1
288.15
5
2
20000
1
1
0.00063972
5
1
1.567e-05
1
288.15
5
2
25000
2
1
0.0006307
5
1
1.545e-05
1
288.15
5
2
30000
1
1
0.00062259
5
1
1.525e-05
1
288.15
5
2
35000
2
1
0.0006157
5
1
1.508e-05
1
288.15
5
2
40000
1
1
0.00060611
5
1
1.485e-05
1
288.15
5
2
45000
2
1
0.00060051
5
1
1.471e-05
1
288.15
5
2
50000
1
1
0.00059678
5
1
1.462e-05
1
298.15
5
2
5000
1
1
0.0006586
5
1
1.613e-05
1
298.15
5
2
10000
1
1
0.00065095
5
1
1.594e-05
1
298.15
5
2
15000
2
1
0.0006412
5
1
1.571e-05
1
298.15
5
2
20000
1
1
0.00063297
5
1
1.55e-05
1
298.15
5
2
25000
2
1
0.00062448
5
1
1.53e-05
1
298.15
5
2
30000
1
1
0.00061657
5
1
1.51e-05
1
298.15
5
2
35000
2
1
0.00060647
5
1
1.486e-05
1
298.15
5
2
40000
1
1
0.00059992
5
1
1.469e-05
1
298.15
5
2
45000
2
1
0.00059475
5
1
1.457e-05
1
298.15
5
2
50000
1
1
0.00058885
5
1
1.442e-05
1
308.15
5
2
5000
1
1
0.00065632
5
1
1.608e-05
1
308.15
5
2
10000
1
1
0.00064432
5
1
1.578e-05
1
308.15
5
2
15000
2
1
0.00063656
5
1
1.559e-05
1
308.15
5
2
20000
1
1
0.00062717
5
1
1.536e-05
1
308.15
5
2
25000
2
1
0.00061815
5
1
1.514e-05
1
308.15
5
2
30000
1
1
0.00061147
5
1
1.498e-05
1
308.15
5
2
35000
2
1
0.00060473
5
1
1.481e-05
1
308.15
5
2
40000
1
1
0.00059681
5
1
1.462e-05
1
308.15
5
2
45000
2
1
0.00058886
5
1
1.442e-05
1
308.15
5
2
50000
1
1
0.00058119
5
1
1.424e-05
1
318.15
5
2
5000
1
1
0.00064883
5
1
1.589e-05
1
318.15
5
2
10000
1
1
0.00064375
5
1
1.577e-05
1
318.15
5
2
15000
2
1
0.00063448
5
1
1.554e-05
1
318.15
5
2
20000
1
1
0.00062293
5
1
1.526e-05
1
318.15
5
2
25000
2
1
0.00061536
5
1
1.507e-05
1
318.15
5
2
30000
1
1
0.00060653
5
1
1.486e-05
1
318.15
5
2
35000
2
1
0.00059869
5
1
1.466e-05
1
318.15
5
2
40000
1
1
0.00058956
5
1
1.444e-05
1
318.15
5
2
45000
2
1
0.00058205
5
1
1.426e-05
1
318.15
5
2
50000
1
1
0.00057635
5
1
1.412e-05
1
328.15
5
2
5000
1
1
0.00064492
5
1
1.58e-05
1
328.15
5
2
10000
1
1
0.00063482
5
1
1.555e-05
1
328.15
5
2
15000
2
1
0.00062811
5
1
1.539e-05
1
328.15
5
2
20000
1
1
0.00061976
5
1
1.518e-05
1
328.15
5
2
25000
2
1
0.00060923
5
1
1.492e-05
1
328.15
5
2
30000
1
1
0.00060122
5
1
1.473e-05
1
328.15
5
2
35000
2
1
0.00059258
5
1
1.452e-05
1
328.15
5
2
40000
1
1
0.00058386
5
1
1.43e-05
1
328.15
5
2
45000
2
1
0.00057613
5
1
1.411e-05
1
328.15
5
2
50000
1
1
0.00056997
5
1
1.396e-05
1
338.15
5
2
5000
1
1
0.00064253
5
1
1.574e-05
1
338.15
5
2
10000
1
1
0.00063324
5
1
1.551e-05
1
338.15
5
2
15000
2
1
0.00062435
5
1
1.529e-05
1
338.15
5
2
20000
1
1
0.0006143
5
1
1.505e-05
1
338.15
5
2
25000
2
1
0.00060388
5
1
1.479e-05
1
338.15
5
2
30000
1
1
0.00059808
5
1
1.465e-05
1
338.15
5
2
35000
2
1
0.00058826
5
1
1.441e-05
1
338.15
5
2
40000
1
1
0.00058181
5
1
1.425e-05
1
338.15
5
2
45000
2
1
0.00057353
5
1
1.405e-05
1
338.15
5
2
50000
1
1
0.0005692
5
1
1.394e-05
1
348.15
5
2
5000
1
1
0.00063993
5
1
1.568e-05
1
348.15
5
2
10000
1
1
0.00062931
5
1
1.541e-05
1
348.15
5
2
15000
2
1
0.00062012
5
1
1.519e-05
1
348.15
5
2
20000
1
1
0.00061169
5
1
1.498e-05
1
348.15
5
2
25000
2
1
0.00060181
5
1
1.474e-05
1
348.15
5
2
30000
1
1
0.00059453
5
1
1.456e-05
1
348.15
5
2
35000
2
1
0.00058753
5
1
1.439e-05
1
348.15
5
2
40000
1
1
0.00057892
5
1
1.418e-05
1
348.15
5
2
45000
2
1
0.00057178
5
1
1.401e-05
1
348.15
5
2
50000
1
1
0.00056548
5
1
1.385e-05
6
6
1
Principal objective of the work
EP
EP
1/16/2018
1
Isobaric coefficient of expansion, 1/K
Microcalorimeter
Liquid
Direct value, X
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Temperature, K
Liquid
2
Pressure, kPa
Liquid
1
278.15
5
2
5000
1
1
0.00067431
5
1
1.652e-05
1
278.15
5
2
10000
1
1
0.00066177
5
1
1.621e-05
1
278.15
5
2
15000
2
1
0.00065353
5
1
1.601e-05
1
278.15
5
2
20000
1
1
0.00064143
5
1
1.571e-05
1
278.15
5
2
25000
2
1
0.00063478
5
1
1.555e-05
1
278.15
5
2
30000
1
1
0.00062798
5
1
1.538e-05
1
278.15
5
2
35000
2
1
0.00061927
5
1
1.517e-05
1
278.15
5
2
40000
1
1
0.00061232
5
1
1.5e-05
1
278.15
5
2
45000
2
1
0.00060234
5
1
1.475e-05
1
278.15
5
2
50000
1
1
0.0005962
5
1
1.46e-05
1
288.15
5
2
5000
1
1
0.00066794
5
1
1.636e-05
1
288.15
5
2
10000
1
1
0.00065757
5
1
1.611e-05
1
288.15
5
2
15000
2
1
0.0006465
5
1
1.584e-05
1
288.15
5
2
20000
1
1
0.00063716
5
1
1.561e-05
1
288.15
5
2
25000
2
1
0.00063031
5
1
1.544e-05
1
288.15
5
2
30000
1
1
0.00062047
5
1
1.52e-05
1
288.15
5
2
35000
2
1
0.00061381
5
1
1.504e-05
1
288.15
5
2
40000
1
1
0.000604
5
1
1.479e-05
1
288.15
5
2
45000
2
1
0.0005971
5
1
1.463e-05
1
288.15
5
2
50000
1
1
0.00059218
5
1
1.451e-05
1
298.15
5
2
5000
1
1
0.00066371
5
1
1.626e-05
1
298.15
5
2
10000
1
1
0.00065421
5
1
1.602e-05
1
298.15
5
2
15000
2
1
0.00064267
5
1
1.574e-05
1
298.15
5
2
20000
1
1
0.00063259
5
1
1.55e-05
1
298.15
5
2
25000
2
1
0.00062635
5
1
1.534e-05
1
298.15
5
2
30000
1
1
0.00061526
5
1
1.507e-05
1
298.15
5
2
35000
2
1
0.00060538
5
1
1.483e-05
1
298.15
5
2
40000
1
1
0.00059616
5
1
1.46e-05
1
298.15
5
2
45000
2
1
0.00059012
5
1
1.445e-05
1
298.15
5
2
50000
1
1
0.0005837
5
1
1.43e-05
1
308.15
5
2
5000
1
1
0.00065853
5
1
1.613e-05
1
308.15
5
2
10000
1
1
0.00064762
5
1
1.586e-05
1
308.15
5
2
15000
2
1
0.00063719
5
1
1.561e-05
1
308.15
5
2
20000
1
1
0.0006281
5
1
1.539e-05
1
308.15
5
2
25000
2
1
0.00061752
5
1
1.513e-05
1
308.15
5
2
30000
1
1
0.00060928
5
1
1.492e-05
1
308.15
5
2
35000
2
1
0.0005996
5
1
1.469e-05
1
308.15
5
2
40000
1
1
0.00059404
5
1
1.455e-05
1
308.15
5
2
45000
2
1
0.00058474
5
1
1.432e-05
1
308.15
5
2
50000
1
1
0.00057662
5
1
1.412e-05
1
318.15
5
2
5000
1
1
0.00065396
5
1
1.602e-05
1
318.15
5
2
10000
1
1
0.000647
5
1
1.585e-05
1
318.15
5
2
15000
2
1
0.00063684
5
1
1.56e-05
1
318.15
5
2
20000
1
1
0.0006228
5
1
1.526e-05
1
318.15
5
2
25000
2
1
0.00061457
5
1
1.505e-05
1
318.15
5
2
30000
1
1
0.00060571
5
1
1.484e-05
1
318.15
5
2
35000
2
1
0.00059733
5
1
1.463e-05
1
318.15
5
2
40000
1
1
0.00058785
5
1
1.44e-05
1
318.15
5
2
45000
2
1
0.00057849
5
1
1.417e-05
1
318.15
5
2
50000
1
1
0.00057069
5
1
1.398e-05
1
328.15
5
2
5000
1
1
0.00065028
5
1
1.593e-05
1
328.15
5
2
10000
1
1
0.00063926
5
1
1.566e-05
1
328.15
5
2
15000
2
1
0.00063167
5
1
1.547e-05
1
328.15
5
2
20000
1
1
0.00062058
5
1
1.52e-05
1
328.15
5
2
25000
2
1
0.0006092
5
1
1.492e-05
1
328.15
5
2
30000
1
1
0.0005995
5
1
1.468e-05
1
328.15
5
2
35000
2
1
0.00059144
5
1
1.449e-05
1
328.15
5
2
40000
1
1
0.0005817
5
1
1.425e-05
1
328.15
5
2
45000
2
1
0.00057369
5
1
1.405e-05
1
328.15
5
2
50000
1
1
0.00056691
5
1
1.389e-05
1
338.15
5
2
5000
1
1
0.00064877
5
1
1.589e-05
1
338.15
5
2
10000
1
1
0.00063655
5
1
1.559e-05
1
338.15
5
2
15000
2
1
0.00062696
5
1
1.536e-05
1
338.15
5
2
20000
1
1
0.00061564
5
1
1.508e-05
1
338.15
5
2
25000
2
1
0.00060529
5
1
1.483e-05
1
338.15
5
2
30000
1
1
0.00059709
5
1
1.463e-05
1
338.15
5
2
35000
2
1
0.00058795
5
1
1.44e-05
1
338.15
5
2
40000
1
1
0.00057961
5
1
1.42e-05
1
338.15
5
2
45000
2
1
0.00057122
5
1
1.399e-05
1
338.15
5
2
50000
1
1
0.00056716
5
1
1.389e-05
1
348.15
5
2
5000
1
1
0.00064371
5
1
1.577e-05
1
348.15
5
2
10000
1
1
0.00063539
5
1
1.556e-05
1
348.15
5
2
15000
2
1
0.00062273
5
1
1.525e-05
1
348.15
5
2
20000
1
1
0.00061015
5
1
1.495e-05
1
348.15
5
2
25000
2
1
0.00060236
5
1
1.475e-05
1
348.15
5
2
30000
1
1
0.00059211
5
1
1.45e-05
1
348.15
5
2
35000
2
1
0.00058447
5
1
1.432e-05
1
348.15
5
2
40000
1
1
0.00057542
5
1
1.409e-05
1
348.15
5
2
45000
2
1
0.00056695
5
1
1.389e-05
1
348.15
5
2
50000
1
1
0.00055928
5
1
1.37e-05