Chemical Properties of Argon (CAS 7440-37-1)

InChI

InChI=1S/Ar

InChI Key

XKRFYHLGVUSROY-UHFFFAOYSA-N

Formula

Ar

SMILES

[Ar]

Molecular Weight¹

39.95

CAS

7440-37-1

Other Names

• ARGON-40
• Ar
• R-740
• UN 1006
• UN 1951
• argon atom

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• μ : Dipole Moment (debye).
• η : Dynamic viscosity (Pa×s).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• P_c : Critical Pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• ρ_g : Gas Density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• S°_{gas,1 bar} : Molar entropy at standard conditions (1 bar) (J/mol×K).
• c_sound,fluid : Speed of sound in fluid (m/s).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• λ : Gas thermal conductivity (W/m×K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Contents

1. Physical Properties
2. Temperature Dependent Properties
3. Datasets
4. Correlations
5. Mixtures
6. Sources

Physical Properties

Property	Value	Unit	Source
ω	0.0010		KDB
PAff	369.20	kJ/mol	NIST
BasG	346.30	kJ/mol	NIST
μ	0.00	debye	KDB
IE	[15.70; 15.88]	eV
IE	15.76 ± 0.00	eV	NIST
IE	15.76	eV	NIST
IE	15.76	eV	NIST
IE	15.82	eV	NIST
IE	15.76	eV	NIST
IE	15.76	eV	NIST
IE	Outlier 15.88	eV	NIST
IE	15.70	eV	NIST
IE	15.76 ± 0.00	eV	NIST
IE	15.75 ± 0.00	eV	NIST
IE	15.76 ± 0.00	eV	NIST
IE	15.76	eV	NIST
IE	15.71 ± 0.00	eV	NIST
IE	15.76 ± 0.01	eV	NIST
IE	15.74 ± 0.05	eV	NIST
IE	15.78 ± 0.03	eV	NIST
IE	15.79	eV	NIST
Pc	[489.79; 4898.05]	kPa
Pc	4898.00	kPa	KDB
Pc	489.79 ± 0.20	kPa	NIST
Pc	4898.05 ± 10.13	kPa	NIST
Pc	4855.49 ± 7.09	kPa	NIST
Ptriple	[68.75; 68.95]	kPa
Ptriple	68.95	kPa	KDB
Ptriple	68.90 ± 0.01	kPa	NIST
Ptriple	68.90 ± 0.01	kPa	NIST
Ptriple	68.75 ± 0.07	kPa	NIST
ρc	[335.68; 535.70]	kg/m3
ρc	535.70 ± 0.20	kg/m3	NIST
ρc	335.68 ± 0.32	kg/m3	NIST
S°gas,1 bar	154.85 ± 0.00	J/mol×K	NIST
Tboil	[87.28; 87.50]	K
Tboil	87.30	K	KDB
Tboil	87.50 ± 0.30	K	NIST
Tboil	87.28 ± 0.02	K	NIST
Tc	[150.65; 150.87]	K
Tc	150.87	K	KDB
Tc	150.86 ± 0.10	K	NIST
Tc	150.86 ± 0.10	K	NIST
Tc	150.65 ± 0.03	K	NIST
Tfus	[83.80; 83.80]	K
Tfus	83.80	K	KDB
Tfus	83.80 ± 0.30	K	NIST
Ttriple	[83.78; 87.78]	K
Ttriple	83.81	K	KDB
Ttriple	Outlier 87.78 ± 0.05	K	NIST
Ttriple	83.80 ± 0.05	K	NIST
Ttriple	83.80 ± 0.05	K	NIST
Ttriple	83.78 ± 0.04	K	NIST
Ttriple	83.78 ± 0.20	K	NIST
Vc	0.075	m3/kmol	KDB
Zc	0.2928470		KDB
Zra	0.29		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
η	[0.0000221; 0.0000425]	Pa×s	[291.09; 681.96]
η	0.0000221	Pa×s	291.09	Referen...
η	0.0000223	Pa×s	293.53	Referen...
η	0.0000224	Pa×s	295.93	Referen...
η	0.0000225	Pa×s	296.63	Referen...
η	0.0000225	Pa×s	296.80	Referen...
η	0.0000225	Pa×s	296.87	Referen...
η	0.0000225	Pa×s	297.39	Referen...
η	0.0000241	Pa×s	322.92	Referen...
η	0.0000241	Pa×s	323.25	Referen...
η	0.0000242	Pa×s	323.48	Referen...
η	0.0000258	Pa×s	350.34	Referen...
η	0.0000258	Pa×s	350.34	Referen...
η	0.0000258	Pa×s	350.45	Referen...
η	0.0000274	Pa×s	377.66	Referen...
η	0.0000274	Pa×s	377.95	Referen...
η	0.0000274	Pa×s	378.10	Referen...
η	0.0000289	Pa×s	405.29	Referen...
η	0.0000290	Pa×s	405.68	Referen...
η	0.0000290	Pa×s	405.85	Referen...
η	0.0000305	Pa×s	433.11	Referen...
η	0.0000305	Pa×s	433.64	Referen...
η	0.0000305	Pa×s	433.85	Referen...
η	0.0000319	Pa×s	461.11	Referen...
η	0.0000320	Pa×s	461.75	Referen...
η	0.0000320	Pa×s	462.03	Referen...
η	0.0000334	Pa×s	489.25	Referen...
η	0.0000334	Pa×s	490.08	Referen...
η	0.0000335	Pa×s	490.39	Referen...
η	0.0000348	Pa×s	517.61	Referen...
η	0.0000349	Pa×s	518.36	Referen...
η	0.0000349	Pa×s	518.75	Referen...
η	0.0000360	Pa×s	540.94	Referen...
η	0.0000360	Pa×s	542.18	Referen...
η	0.0000361	Pa×s	542.58	Referen...
η	0.0000370	Pa×s	561.10	Referen...
η	0.0000372	Pa×s	564.91	Referen...
η	0.0000372	Pa×s	565.36	Referen...
η	0.0000383	Pa×s	589.42	Referen...
η	0.0000385	Pa×s	593.80	Referen...
η	0.0000385	Pa×s	594.12	Referen...
η	0.0000397	Pa×s	618.99	Referen...
η	0.0000399	Pa×s	623.19	Referen...
η	0.0000399	Pa×s	623.22	Referen...
η	0.0000411	Pa×s	649.34	Referen...
η	0.0000412	Pa×s	652.30	Referen...
η	0.0000412	Pa×s	652.35	Referen...
η	0.0000423	Pa×s	678.33	Referen...
η	0.0000425	Pa×s	681.82	Referen...
η	0.0000425	Pa×s	681.96	Referen...
ΔvapH	7.79	kJ/mol	29.30	Measure...
Pvap	[211.73; 4028.90]	kPa	[94.93; 146.22]
Pvap	211.73	kPa	94.93	Investi...
Pvap	323.00	kPa	99.97	Investi...
Pvap	466.83	kPa	104.84	Investi...
Pvap	1209.00	kPa	119.94	Investi...
Pvap	1575.90	kPa	124.92	Investi...
Pvap	2015.80	kPa	129.89	Investi...
Pvap	2605.60	kPa	135.80	Phase E...
Pvap	4028.90	kPa	146.22	Phase E...
ρl	1373.00	kg/m3	90.00	KDB

Datasets

1. Viscosity, Pa*s (2)
2. Mass density, kg/m3 (1)
3. Mass density, kg/m3 (1)
4. Speed of sound, m/s (1)
5. Thermal conductivity, W/m/K (2)

Viscosity, Pa*s

Fixed		Measured
Temperature, K - Fluid (supercritical or subcritical phases)	Pressure, kPa - Fluid (supercritical or subcritical phases)	Viscosity, Pa*s - Fluid (supercritical or subcritical phases)
323.16	7006.00	0.0000
323.16	13877.00	0.0000
323.16	20899.00	0.0000
323.16	27679.00	0.0000
323.16	34459.00	0.0000
323.16	41249.00	0.0000
323.16	48119.00	0.0000
323.16	54885.00	0.0000
323.16	61690.00	0.0001
323.16	68312.00	0.0001
348.15	6978.00	0.0000
348.15	17496.00	0.0000
348.15	27653.00	0.0000
348.15	34469.00	0.0000
348.15	41288.00	0.0000
348.15	48154.00	0.0000
348.15	54879.00	0.0000
348.15	61690.00	0.0000
348.15	68529.00	0.0001
398.11	7360.00	0.0000
398.11	13876.00	0.0000
398.11	27719.00	0.0000
398.11	34448.00	0.0000
398.11	41294.00	0.0000
398.11	48140.00	0.0000
398.11	54949.00	0.0000
398.11	61785.00	0.0000
423.11	7272.00	0.0000
423.11	14124.00	0.0000
423.11	21056.00	0.0000
423.11	27786.00	0.0000
423.11	34605.00	0.0000
423.11	41249.00	0.0000
423.11	48189.00	0.0000
423.11	48197.00	0.0000
423.11	55018.00	0.0000
423.11	61834.00	0.0000
423.11	68620.00	0.0000
423.11	7008.00	0.0000
423.11	14381.00	0.0000
423.11	21065.00	0.0000
423.11	27779.00	0.0000
423.11	34529.00	0.0000
Reference

Fixed		Measured
Temperature, K - Gas	Pressure, kPa - Gas	Viscosity, Pa*s - Gas
300.11	400.00	0.0000
300.17	103.00	0.0000
300.19	199.00	0.0000
300.25	302.00	0.0000
300.32	832.00	0.0000
300.38	616.00	0.0000
300.49	2082.00	0.0000
300.54	3089.00	0.0000
300.56	4050.00	0.0000
300.58	4503.00	0.0000
300.63	3427.00	0.0000
300.66	2759.00	0.0000
300.68	1446.00	0.0000
300.70	3729.00	0.0000
300.72	2458.00	0.0000
300.76	1775.00	0.0000
300.89	1117.00	0.0000
Reference

Mass density, kg/m3

Fixed		Measured
Temperature, K - Gas	Pressure, kPa - Gas	Mass density, kg/m3 - Gas
318.75	412.69	6.2318
318.75	412.69	6.2327
318.75	568.39	8.5885
318.75	2800.67	42.6996
318.75	3845.47	58.8449
318.75	568.39	8.5891
318.75	2800.67	42.685
318.75	3845.47	58.8199
318.75	217.45	3.2809
318.75	299.59	4.5217
318.75	217.45	3.2819
318.75	299.59	4.5227
318.75	782.65	11.8364
318.75	1077.30	16.3128
318.75	5275.06	81.0918
318.75	7231.46	111.7468
318.75	782.65	11.8363
318.75	1077.30	16.3112
318.75	5275.06	81.0507
318.75	7231.46	111.681
318.76	157.82	2.3805
318.76	157.82	2.3815
318.76	1482.26	22.4815
318.76	1482.26	22.4774
318.76	2038.22	30.9829
318.76	2038.22	30.9748
Reference

Mass density, kg/m3

Fixed		Measured
Temperature, K - Fluid (supercritical or subcritical phases)	Pressure, kPa - Fluid (supercritical or subcritical phases)	Mass density, kg/m3 - Fluid (supercritical or subcritical phases)
298.23	10975.00	185.811
298.23	12977.00	220.515
298.23	14975.00	254.862
298.24	16973.00	288.723
298.23	18968.00	321.888
298.23	20970.00	354.268
298.23	22969.00	385.599
298.23	24967.00	415.802
298.22	26965.00	444.81
298.22	28963.00	472.591
298.20	30957.00	499.118
348.21	10976.00	153.363
348.25	12974.00	181.049
348.27	14970.00	208.427
348.24	16969.00	235.508
348.22	18971.00	262.184
348.27	20969.00	288.199
348.27	22970.00	313.733
348.26	24967.00	338.568
348.24	26966.00	362.782
348.21	28963.00	386.293
348.19	30960.00	409.077
348.25	32887.00	430.274
348.24	30961.00	409.019
348.22	28964.00	386.289
348.27	26989.00	363.019
348.28	25000.00	338.949
348.29	23010.00	314.199
348.26	21009.00	288.719
348.21	19007.00	262.654
348.23	17005.00	236.0
348.24	15014.00	209.051
348.28	13012.00	181.556
348.28	11019.00	153.917
397.91	12975.00	155.101
397.98	14981.00	178.323
398.17	16979.00	201.05
398.61	18975.00	223.208
398.87	20975.00	245.092
398.92	22970.00	266.619
398.10	24969.00	288.472
398.23	26971.00	309.171
398.28	28964.00	329.33
398.23	30962.00	349.179
398.21	32960.00	368.494
398.19	30985.00	349.444
398.20	28999.00	329.764
398.35	27004.00	309.394
398.47	25004.00	288.536
398.26	23005.00	267.5
398.25	21010.00	245.897
398.24	19010.00	223.818
398.30	17005.00	201.261
398.31	15013.00	178.513
398.26	13011.00	155.367
398.24	11017.00	132.022
Reference

Speed of sound, m/s

Fixed		Measured
Temperature, K - Fluid (supercritical or subcritical phases)	Pressure, kPa - Fluid (supercritical or subcritical phases)	Speed of sound, m/s - Fluid (supercritical or subcritical phases)
250.00	53.70	294.482
250.00	198.00	294.473
250.00	329.40	294.466
250.00	2365.80	294.798
250.00	4652.90	296.356
250.00	5823.00	297.759
250.16	48.70	294.574
250.16	48.80	294.5752
250.16	192.00	294.572
250.16	309.10	294.566
250.16	447.70	294.56
250.16	598.60	294.561
250.16	732.50	294.563
250.16	875.60	294.583
250.16	1401.10	294.624
250.16	192.00	294.575
250.16	309.10	294.569
250.16	447.70	294.568
250.16	598.60	294.574
250.16	732.50	294.578
250.16	1401.10	294.651
260.00	198.60	300.345
260.00	327.30	300.368
260.00	3507.50	301.947
260.00	4624.00	303.042
260.00	6602.30	305.842
270.00	53.20	306.055
270.00	200.00	306.108
270.00	325.80	306.151
270.00	467.20	306.205
270.00	3521.80	308.292
270.00	4675.90	309.592
270.00	5775.20	311.124
275.10	47.60	308.935
275.10	206.80	309.01
275.10	206.90	309.012
275.10	384.30	309.094
275.10	547.40	309.173
275.10	591.70	309.204
275.10	706.20	309.255
275.10	733.80	309.269
275.10	860.20	309.337
275.10	860.30	309.3457
275.10	1389.20	309.646
275.10	1389.30	309.667
275.10	384.30	309.0978
275.10	547.40	309.18
275.10	706.20	309.264
275.10	733.80	309.279
275.10	860.20	309.334
275.10	860.20	309.3473
280.00	200.10	311.759
280.00	328.30	311.827
280.00	2342.80	313.26
280.00	4647.90	315.83
280.00	5767.00	317.479
280.00	6610.30	318.936
280.12	99.10	311.774
280.12	305.20	311.874
280.12	307.70	311.887
280.12	529.40	312.003
280.12	531.10	312.013
280.12	745.80	312.132
280.12	748.00	312.141
280.12	962.40	312.273
280.12	964.60	312.277
280.12	1184.90	312.423
280.12	1396.40	312.58
280.12	1396.80	312.571
280.12	1601.70	312.723
280.12	1834.40	312.907
290.00	53.60	317.203
290.00	196.40	317.297
290.00	1191.60	318.037
290.00	2325.00	319.083
290.00	3477.80	320.364
300.00	30.50	322.616
300.00	183.80	322.742
300.00	308.30	322.843
300.00	1180.90	323.609
300.00	2331.50	324.807
300.00	4657.30	327.876
300.00	5832.90	329.796
300.00	6595.80	331.208
300.11	100.30	322.731
300.11	244.70	322.851
300.11	395.40	322.976
300.11	528.00	323.113
300.11	558.10	323.115
300.11	701.60	323.241
300.11	739.10	323.296
300.11	868.00	323.391
300.11	963.00	323.5
300.11	1011.70	323.529
300.11	1166.10	323.695
300.11	1618.00	324.143
300.11	1836.40	324.371
300.12	48.10	322.692
300.12	193.00	322.814
300.12	308.10	322.909
300.12	445.50	323.023
300.12	729.90	323.27
300.12	868.10	323.392
300.12	868.20	323.405
300.12	1378.60	323.871
300.12	193.00	322.814
300.12	308.10	322.9103
300.12	445.50	323.033
300.12	729.90	323.28
300.12	868.20	323.4052
300.12	1378.60	323.889
300.12	1378.60	323.889
310.00	104.70	328.02
310.00	198.60	328.105
310.00	329.20	328.225
310.00	463.40	328.349
310.00	2330.10	330.379
310.00	4624.60	333.589
310.00	6595.80	337.02
320.00	102.00	333.276
320.00	180.50	333.349
320.00	311.00	333.482
320.00	450.50	333.627
320.00	576.40	333.773
320.00	1053.90	334.304
320.00	1550.80	334.886
320.00	2333.10	335.852
320.00	4482.20	339.001
320.00	5819.90	341.243
320.00	102.00	333.278
320.00	576.40	333.785
320.00	1053.90	334.316
320.00	1550.80	334.899
325.05	48.10	335.835
325.05	192.90	335.997
325.05	314.50	336.13
325.05	438.60	336.267
325.05	592.70	336.443
325.05	736.00	336.603
325.05	870.80	336.757
325.05	1376.50	337.358
325.05	1376.60	337.3671
325.05	2721.40	339.142
325.05	192.90	335.993
325.05	314.50	336.127
325.05	438.60	336.2665
325.05	870.80	336.763
349.87	48.90	348.434
349.87	182.80	348.615
349.87	182.90	348.607
349.87	307.30	348.768
349.87	447.00	348.95
349.87	594.50	349.144
349.87	726.70	349.32
349.87	864.50	349.504
349.87	864.60	349.5243
349.87	1397.70	350.238
349.87	2711.20	352.186
349.87	48.90	348.435
349.87	307.30	348.7836
349.87	447.00	348.966
349.87	726.70	349.34
349.87	1397.70	350.26
Reference

Thermal conductivity, W/m/K

Fixed		Measured
Temperature, K - Gas	Pressure, kPa - Gas	Thermal conductivity, W/m/K - Gas
304.80	1020.00	0.0182
304.80	1560.00	0.0184
304.80	2320.00	0.0187
304.80	2590.00	0.0188
304.80	4470.00	0.0196
329.00	1200.00	0.0193
329.00	1270.00	0.0195
329.00	1960.00	0.0198
329.00	2340.00	0.0199
329.00	3030.00	0.0202
329.00	3630.00	0.0203
329.00	5980.00	0.0212
329.00	7320.00	0.0219
360.05	1240.00	0.0209
360.05	1560.00	0.0210
360.05	1640.00	0.0210
360.05	2240.00	0.0213
360.05	3200.00	0.0216
360.05	4160.00	0.0219
360.05	8720.00	0.0239
389.30	1390.00	0.0223
389.30	2140.00	0.0226
389.30	2780.00	0.0228
389.30	3330.00	0.0229
389.30	3560.00	0.0230
389.30	4190.00	0.0232
389.30	5350.00	0.0235
389.30	6050.00	0.0238
389.30	6660.00	0.0240
389.30	7500.00	0.0243
389.30	8260.00	0.0247
389.30	8500.00	0.0246
417.50	1210.00	0.0234
417.50	1400.00	0.0234
417.50	2110.00	0.0237
417.50	2740.00	0.0239
417.50	3420.00	0.0242
417.50	4130.00	0.0243
417.50	4800.00	0.0246
417.50	5470.00	0.0248
417.50	6180.00	0.0250
417.50	6890.00	0.0252
417.50	7580.00	0.0256
417.50	8270.00	0.0258
475.70	1090.00	0.0256
475.70	1410.00	0.0257
475.70	2120.00	0.0261
475.70	2790.00	0.0264
475.70	3520.00	0.0265
475.70	4250.00	0.0268
475.70	5010.00	0.0269
475.70	6100.00	0.0274
475.70	7980.00	0.0279
Reference

Fixed		Measured
Temperature, K - Gas	Pressure, kPa - Gas	Thermal conductivity, W/m/K - Gas
312.12	31080.00	0.0342
312.35	27380.00	0.0324
312.18	27390.00	0.0323
312.20	25850.00	0.0313
312.12	24160.00	0.0302
311.92	20370.00	0.0281
312.59	17170.00	0.0265
312.61	13790.00	0.0246
312.73	10320.00	0.0228
Reference

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[68.79; 4893.69]	kPa	[83.78; 150.86]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.37362e+01
Coefficient B			-7.83502e+02
Coefficient C			-1.35000e+00
Temperature range, min.			83.78
Temperature range, max.			150.86
Pvap	68.79	kPa	83.78	Calculated Property
Pvap	151.30	kPa	91.23	Calculated Property
Pvap	294.94	kPa	98.69	Calculated Property
Pvap	522.85	kPa	106.14	Calculated Property
Pvap	859.01	kPa	113.59	Calculated Property
Pvap	1326.68	kPa	121.05	Calculated Property
Pvap	1947.18	kPa	128.50	Calculated Property
Pvap	2739.00	kPa	135.95	Calculated Property
Pvap	3717.29	kPa	143.41	Calculated Property
Pvap	4893.69	kPa	150.86	Calculated Property

Mixtures

• Carbon dioxide + Argon
• Nitrogen + Oxygen + Argon
• Nitric oxide + Argon
• Methane + Argon
• neon + Argon
• Xenon + Argon
• Carbon dioxide + Argon + Water
• Argon + Water
• 2-Propanol, 1,1,1,3,3,3-hexafluoro- + Argon + Water
• Tetra-N-butylammonium bromide + Argon + Water
• Furan, tetrahydro-2,5-dimethyl- + Argon + Furan, tetrahydro-2,5-dimethyl-, cis-
• Nitrogen + Carbon dioxide + Argon
• 2,5,8,11-Tetraoxadodecane + Argon
• Tetraglyme + Argon
• Carbonic acid, dimethyl ester + Argon
• Diethyl carbonate + Argon
• Methylene chloride + Argon
• Argon + Chloromethane
• Carbon dioxide + Oxygen + Argon

Sources

• A New Instrument for the Measurement of the Thermal Conductivity of Fluids
• A Vibrating Plate Fabricated by the Methods of Microelectromechanical Systems (MEMS) for the Simultaneous Measurement of Density and Viscosity: Results for Argon at Temperatures Between 323 and 423K at Pressures up to 68MPa
• Reference Viscosity of Argon at Low Density in the Temperature Range from 290 K to 680 K
• Measurement of Binary Diffusion Coefficients for Neon Argon Gas Mixtures Using a Loschmidt Cell Combined with Holographic Interferometry
• Binary Diffusion Coefficient Data of Various Gas Systems Determined Using a Loschmidt Cell and Holographic Interferometry
• Low-pressure solubilities and thermodynamics of solvation of eight gases in 1-butyl-3-methylimidazolium hexafluorophosphate
• Isothermal P, x, y data for the argon + carbon dioxide system at six temperatures from 233.32 to 299.21 K and pressures up to 14 MPa
• Effect of impurities in captured CO2 on liquid-vapor equilibrium
• Thermodynamic Study of binary an ternary systems containing CO2 + impurities in the context of CO2 transportation
• Physical data for a process to separate krypton from air by selective absorption in an ionic liquid
• Interfacial tensions of systems comprising water, carbon dioxide and diluent gases at high pressures: Experimental measurements and modelling with SAFT-VR Mie and square-gradient theory
• VLE properties of CO2 - based binary systems containing N2, O2 and Ar: Experimental measurements and modelling results with advanced cubic equations of state
• Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
• Thermodynamics of the carbon dioxide plus argon (CO2 + Ar) system: An improved reference mixture model and measurements of vapor-liquid, vapor-solid, liquid-solid and vapor-liquid-solid phase equilibrium data at the temperatures 213 to 299 K and pressures up to 16 MPa
• Solubility of carbon dioxide, ethane, methane, oxygen, nitrogen, hydrogen, argon, and carbon monoxide in 1-butyl-3-methylimidazolium tetrafluoroborate between temperatures 283 K and 343 K and at pressures close to atmospheric
• Solubility of gases in fluoroorganic alcohols. Part II. Solubilities of noble gases in (water + 1,1,1,3,3,3-hexafluoropropan-2-ol) at 298.15 K and 101.33 kPa
• Density measurements on binary mixtures (nitrogen + carbon dioxide and argon + carbon dioxide) at temperatures from (298.15 to 423.15) K with pressures from (11 to 31) MPa using a single-sinker densimeter
• Speed-of-sound measurements in (argon + carbon dioxide) over the temperature range from (275 to 500) K at pressures up to 8 MPa
• Characterisation of a microwave re-entrant cavity resonator for phase-equilibrium measurements and new dew-point data for a (0.25 argon + 0.75 carbon dioxide) mixture
• Measurements of enthalpy of sublimation of Ne, N2, O2, Ar, CO2, Kr, Xe, and H2O using a double paddle oscillator
• Solubility of argon and nitrogen in aqueous solutions of tetra-n-butylammonium bromide (TBAB) from 283.15 to 298.15 K and 101.325 kPa partial pressure of gas
• Solubilities of gases in cycloethers. The solubility of 13 nonpolar gases in 2,5-dimethyltetrahydrofuran at 273.15 to 303.15 K and 101.32 kPa
• Thermal conductivity data for refrigerant mixtures containing R1234yf and R1234ze(E)
• Accurate Density Measurements on Ternary Mixtures (Carbon Dioxide + Nitrogen + Argon) at Temperatures from (323.15 to 423.15) K with Pressures from (3 to 31) MPa using a Single-Sinker Densimeter
• Vapor-Phase (p, , T, x) Behavior and Virial Coefficients for the Binary Mixture (0.05 Argon + 0.95 Carbon Dioxide) over the Temperature Range from (273.15 to 323.15) K with Pressures up to 9 MPa
• Vapor-Phase (p, .rho., T, x) Behavior and Virial Coefficients for the (Argon + Carbon Dioxide) System
• Speed-of-Sound Measurements in Compressed Nitrogen and Dry Air
• Phase Equilibrium of Three Binary Mixtures Containing NO and Components Present in Ambient Air
• Investigation on Vapor-Liquid Equilibrium of (Argon + Methane) at the Temperature Range of (95 to 135) K
• Solubilities of Nonpolar Gases in Triethylene Glycol Dimethyl Ether, Tetraethylene Glycol Dimethyl Ether, Dimethyl Carbonate, and Diethyl Carbonate at 298.15 K and 101.33 kPa Partial Pressure of Gas
• Gaseous pvTx Properties of Mixtures of Carbon Dioxide and Propane with the Burnett Isochoric Method
• Pressure-density-temperature measurements of binary mixtures rich in CO2 for CCS applications
• Surface Tension of 1-Ethyl-3-methylimidazolium Ethyl Sulfate or 1-Butyl-3-methylimidazolium Hexafluorophosphate with Argon and Carbon Dioxide
• Gas Solubilities (CO2, O2, Ar, N2, H2, and He) in Liquid Chlorinated Methanes
• Viscosity of Gaseous HFC245fa
• Thermophysical Properties of Natural Gas Components: Apparatus and Speed of Sound in Argon
• KDB
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.