Mixture of potassium chloride + rubidium chloride + Water

Datasets

1. (Relative) activity (2)
2. Molality, mol/kg (2)

(Relative) activity of Water (3) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Molality, mol/kg of potassium chloride (1) - Liquid	Molality, mol/kg of rubidium chloride (2) - Liquid	(Relative) activity of Water (3) - Liquid
298.15	1.7445	0.0000	0.9446
298.15	1.1383	0.6273	0.9446
298.15	0.8614	0.8982	0.9446
298.15	0.5312	1.2307	0.9446
298.15	0.2434	1.5243	0.9446
298.15	0.0000	1.7718	0.9446
298.15	1.8701	0.0000	0.9406
298.15	1.223	0.6740	0.9406
298.15	0.9238	0.9633	0.9406
298.15	0.5707	1.3221	0.9406
298.15	0.2611	1.6349	0.9406
298.15	0.0000	1.9005	0.9406
298.15	2.8858	0.0000	0.9075
298.15	1.8924	1.0428	0.9075
298.15	1.4306	1.4918	0.9075
298.15	0.8820	2.0434	0.9075
298.15	0.4041	2.5302	0.9075
298.15	0.0000	2.9455	0.9075
298.15	3.935	0.0000	0.8724
298.15	2.573	1.3778	0.8724
298.15	1.9412	1.9668	0.8724
298.15	1.1935	2.6867	0.8724
298.15	0.5468	3.327	0.8724
298.15	3.1594	1.741	0.8423
298.15	2.3941	2.4964	0.8423
298.15	1.4803	3.4294	0.8423
298.15	0.6788	4.2502	0.8423
298.15	3.4335	1.8921	0.8292
298.15	2.5962	2.7072	0.8292
298.15	1.6043	3.7167	0.8292
298.15	0.7358	4.6075	0.8292
298.15	0.0000	5.3418	0.8292
298.15	1.9304	4.4722	0.7943
298.15	0.8836	5.5328	0.7943
298.15	0.0000	6.4412	0.7943
298.15	2.0082	4.6524	0.7845
298.15	0.9248	5.7907	0.7845
298.15	0.0000	6.7103	0.7845
298.15	1.0554	6.6084	0.7555
298.15	0.0000	7.6455	0.7555
323.15	0.0000	1.858	0.9407
323.15	0.2564	1.6055	0.9407
323.15	0.5598	1.297	0.9407
323.15	0.9066	0.9454	0.9407
323.15	1.1977	0.6600	0.9407
323.15	1.8367	0.0000	0.9407
323.15	0.0000	2.9006	0.9068
323.15	0.4002	2.5057	0.9068
323.15	0.8723	2.0208	0.9068
323.15	1.4111	1.4714	0.9068
323.15	1.8632	1.0268	0.9068
323.15	2.8536	0.0000	0.9068
323.15	0.0000	4.1589	0.8647
323.15	0.5742	3.5955	0.8647
323.15	1.2511	2.8984	0.8647
323.15	2.0232	2.1097	0.8647
323.15	2.6696	1.4712	0.8647
323.15	4.0809	0.0000	0.8647
323.15	0.0000	5.2235	0.8307
323.15	0.7163	4.485	0.8307
323.15	1.5666	3.6292	0.8307
323.15	2.5435	2.6522	0.8307
323.15	3.3713	1.8579	0.8307
323.15	5.1131	0.0000	0.8307
323.15	0.0000	6.6085	0.7826
323.15	0.9071	5.68	0.7826
323.15	1.9775	4.5814	0.7826
323.15	3.202	3.3388	0.7826
323.15	4.2428	2.3381	0.7826

(Relative) activity of Water (3) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed			Measured
Temperature, K - Liquid	Molality, mol/kg of potassium chloride (1) - Liquid	Molality, mol/kg of rubidium chloride (2) - Liquid	(Relative) activity of Water (3) - Liquid
298.15	1.7445	0.0000	0.9446
298.15	1.1383	0.6273	0.9446
298.15	0.8614	0.8982	0.9446
298.15	0.5312	1.2307	0.9446
298.15	0.2434	1.5243	0.9446
298.15	0.0000	1.7718	0.9446
298.15	1.8701	0.0000	0.9406
298.15	1.223	0.6740	0.9406
298.15	0.9238	0.9633	0.9406
298.15	0.5707	1.3221	0.9406
298.15	0.2611	1.6349	0.9406
298.15	0.0000	1.9005	0.9406
298.15	2.8858	0.0000	0.9075
298.15	1.8924	1.0428	0.9075
298.15	1.4306	1.4918	0.9075
298.15	0.8820	2.0434	0.9075
298.15	0.4041	2.5302	0.9075
298.15	0.0000	2.9455	0.9075
298.15	3.935	0.0000	0.8724
298.15	2.573	1.3778	0.8724
298.15	1.9412	1.9668	0.8724
298.15	1.1935	2.6867	0.8724
298.15	0.5468	3.327	0.8724
298.15	3.1594	1.741	0.8423
298.15	2.3941	2.4964	0.8423
298.15	1.4803	3.4294	0.8423
298.15	0.6788	4.2502	0.8423
298.15	3.4335	1.8921	0.8292
298.15	2.5962	2.7072	0.8292
298.15	1.6043	3.7167	0.8292
298.15	0.7358	4.6075	0.8292
298.15	0.0000	5.3418	0.8292
298.15	1.9304	4.4722	0.7943
298.15	0.8836	5.5328	0.7943
298.15	0.0000	6.4412	0.7943
298.15	2.0082	4.6524	0.7845
298.15	0.9248	5.7907	0.7845
298.15	0.0000	6.7103	0.7845
298.15	1.0554	6.6084	0.7555
298.15	0.0000	7.6455	0.7555
323.15	0.0000	1.858	0.9407
323.15	0.2564	1.6055	0.9407
323.15	0.5598	1.297	0.9407
323.15	0.9066	0.9454	0.9407
323.15	1.1977	0.6600	0.9407
323.15	1.8367	0.0000	0.9407
323.15	0.0000	2.9006	0.9068
323.15	0.4002	2.5057	0.9068
323.15	0.8723	2.0208	0.9068
323.15	1.4111	1.4714	0.9068
323.15	1.8632	1.0268	0.9068
323.15	2.8536	0.0000	0.9068
323.15	0.0000	4.1589	0.8647
323.15	0.5742	3.5955	0.8647
323.15	1.2511	2.8984	0.8647
323.15	2.0232	2.1097	0.8647
323.15	2.6696	1.4712	0.8647
323.15	4.0809	0.0000	0.8647
323.15	0.0000	5.2235	0.8307
323.15	0.7163	4.485	0.8307
323.15	1.5666	3.6292	0.8307
323.15	2.5435	2.6522	0.8307
323.15	3.3713	1.8579	0.8307
323.15	5.1131	0.0000	0.8307
323.15	0.0000	6.6085	0.7826
323.15	0.9071	5.68	0.7826
323.15	1.9775	4.5814	0.7826
323.15	3.202	3.3388	0.7826
323.15	4.2428	2.3381	0.7826

Molality, mol/kg of rubidium chloride (2) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of potassium chloride (1) - Liquid	Molality, mol/kg of rubidium chloride (2) - Liquid
298.15	0.3417	7.4887
298.15	1.1085	6.6532
298.15	1.7903	5.8191
298.15	2.4923	4.6405
298.15	2.8863	3.8049
298.15	3.4441	2.6203
298.15	4.1192	1.2594
308.15	0.3659	8.0204
308.15	1.1853	7.1138
308.15	1.9092	6.2053
308.15	2.6651	4.9623
308.15	3.1001	4.0868
308.15	3.7114	2.8236
308.15	4.4512	1.3609
323.15	0.4010	8.7884
323.15	1.3047	7.8304
323.15	2.0803	6.7615
323.15	2.9016	5.4026
323.15	3.4336	4.5265
323.15	4.1347	3.1457
323.15	4.9151	1.5028

Molality, mol/kg of rubidium chloride (2) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of potassium chloride (1) - Liquid	Molality, mol/kg of rubidium chloride (2) - Liquid
298.15	0.3417	7.4887
298.15	1.1085	6.6532
298.15	1.7903	5.8191
298.15	2.4923	4.6405
298.15	2.8863	3.8049
298.15	3.4441	2.6203
298.15	4.1192	1.2594
308.15	0.3659	8.0204
308.15	1.1853	7.1138
308.15	1.9092	6.2053
308.15	2.6651	4.9623
308.15	3.1001	4.0868
308.15	3.7114	2.8236
308.15	4.4512	1.3609
323.15	0.4010	8.7884
323.15	1.3047	7.8304
323.15	2.0803	6.7615
323.15	2.9016	5.4026
323.15	3.4336	4.5265
323.15	4.1347	3.1457
323.15	4.9151	1.5028

Sources

• Thermodynamics and phase equilibrium of the high concentration solid solution-aqueous solution system KCl-RbCl-H2O from T = 298.15 K to T = 323.15 K