IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Carbon dioxide with Sodium chloride and Water

Components:
   (1) Sodium chloride; NaCl; [7647-14-5]  NIST Chemistry WebBook for detail
   (2) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (3) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Ellis, A.J.; Golding, R.M., Am. J. Sci. 1963, 261, 47-60.

Variables:
   Temperature = 445 K to 607 K
   Pressure = 1.59 MPa to 9.31 Mpa
   Concentration = c₂/mol dm^-3 = 0 - 2.0

Prepared By:
   C.L. Young

Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)


T/K	Pressure [MPa]	Pressure [atm]	Ostwald coefficient L	Ostwald Note	Concentration C₂ [mol/dm³]	Mole Fraction (x₁)
450	1.59	15.7	0.26	a	0.0	0.223
475	1.79	17.7	0.29	a	0.0	0.283
477	3.66	36.1	0.30	a	0.0	0.582
502	4.69	46.3	0.31	a	0.0	0.767
502	4.41	43.5	0.32	a	0.0	0.754
508	3.07	29.7	0.30	a	0.0	0.473
534	5.38	53.1	0.39	a	0.0	1.08
534	5.03	49.6	0.38	a	0.0	1.01
538	2.34	23.1	0.39	a	0.0	0.472
538	2.07	20.4	0.40	a	0.0	0.426
582	7.65	75.5	0.51	a	0.0	2.11
582	7.31	72.1	0.49	a	0.0	1.92
582	6.90	68.1	0.49	a	0.0	1.83
607	6.34	62.6	0.59	a	0.0	2.12
607	6.00	59.2	0.58	a	0.0	1.99
449	6.62	65.3	0.23	a	0.5	0.893
449	6.34	62.6	0.23	a	0.5	0.839
509	6.83	67.4	0.28	a	0.5	1.03
509	6.41	63.3	0.28	a	0.5	0.970
540	6.38	63.0	0.33	a	0.5	1.13
540	6.03	59.5	0.33	a	0.5	1.03
559	5.86	57.8	0.36	a	0.5	1.12
559	5.65	55.8	0.36	a	0.5	1.08
582	5.50	54.3	0.40	a	0.5	1.18
582	4.94	48.8	0.41	a	0.5	1.09
582	4.81	47.5	0.41	a	0.5	1.06
445	4.57	45.1	0.21	a	1.0	0.548
445	4.45	43.9	0.21	a	1.0	0.533
450	2.67	26.4	0.21	a	1.0	0.317
468	5.22	51.5	0.20	a	1.0	0.610
468	5.07	50.0	0.22	a	1.0	0.626
468	4.93	48.7	0.21	a	1.0	0.584
492	3.52	34.7	0.24	a	1.0	0.446
500	6.22	61.4	0.23	a	1.0	0.784
500	6.01	59.3	0.24	a	1.0	0.794
528	4.13	40.8	0.28	a	1.0	0.606
537	7.20	71.1	0.26	a	1.0	1.04
537	6.99	69.0	0.26	a	1.0	1.00
565	4.94	48.8	0.32	a	1.0	0.806
565	4.73	46.7	0.33	a	1.0	0.789
579	6.79	67.0	0.30	a	1.0	1.05
598	9.31	91.9	0.35	a	1.0	1.73
598	8.90	87.8	0.38	a	1.0	1.81
449	6.97	68.8	0.16	a	2.0	0.674
449	6.55	64.6	0.17	a	2.0	0.651
472	6.86	67.7	0.17	a	2.0	0.695
472	6.65	65.6	0.18	a	2.0	0.669
501	6.74	66.5	0.20	a	2.0	0.736
501	6.39	63.1	0.20	a	2.0	0.675
535	6.54	64.5	0.22	a	2.0	0.763
579	6.54	64.5	0.25	a	2.0	0.847
579	6.13	60.5	0.24	a	2.0	0.752
579	5.70	56.3	0.26	a	2.0	0.746
603	5.56	54.9	0.27	a	2.0	0.742

Notes:
   ^a  L = Ostwald coefficient (cm³ cm^-3)

Method/Apparatus/Procedure:
   Static bomb of approximately 100 cm³ capacity. Samples of mixture analyzed by absorbing water in Anhydrone and carbon dioxide in Carbosorb. Details in source.

Source and Purity of Materials:
   No details given.

Estimated Errors:
   Solubility: δx₁ = ± 2 % (estimated by the compiler)
   Temperature: δT/K = ± 1.0 (estimated by compiler)