IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Argon with Nitrogen, Carbon dioxide and Poly(vinyl benzoate) (PVB)

Components:
   (1) Argon with Nitrogen, Carbon dioxide; Ar, N2, CO2; [7440-37-1, 7727-37-9, 124-38-9]  NIST Chemistry WebBook for detail
   (2) Poly(vinyl benzoate) (PVB); ; [24991-32-0]  NIST Chemistry WebBook for detail

Original Measurements:
   Y. Kamiya, K. Mizoguchi, Y. Naito and T. Hirose, J. Polym. Sci., Polym. Phys. Ed. 24, 535 (1986).

Variables:
   Temperature = 298 K - 343 K
   Pressure = 0-5.0 MPa

Prepared By:
   A.K. Bokarev

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

Table 1. Sorption and desorption isotherms of nitrogen in PVB (The original data were represented graphically)
T/K	Pressure [MPa]	Solubility [(V₁(STP)/V₂)]	Method/Comments
308.2	0.20	0.09	Sorption
308.2	0.61	0.26	Sorption
308.2	1.10	0.44	Sorption
308.2	2.08	0.79	Sorption
308.2	3.05	1.11	Sorption
308.2	4.03	1.39	Sorption
308.2	5.01	1.68	Sorption
308.2	0.36	0.15	Desorption
308.2	0.85	0.37	Desorption
308.2	1.33	0.55	Desorption
308.2	2.56	0.98	Desorption
308.2	3.54	1.26	Desorption
308.2	4.52	1.58	Desorption
323.2	0.22	0.05	Sorption
323.2	0.61	0.17	Sorption
323.2	1.09	0.31	Sorption
323.2	2.07	0.58	Sorption
323.2	3.06	0.82	Sorption
323.2	4.04	1.07	Sorption
323.2	5.02	1.29	Sorption
323.2	0.36	0.10	Desoprtion
323.2	0.85	0.25	Desorption
323.2	1.59	0.47	Desorption
323.2	2.57	0.73	Desorption
323.2	3.31	0.92	Desorption
323.2	4.28	1.14	Desorption
338.2	0.22	0.02	Sorption
338.2	0.61	0.10	Sorption
338.2	1.09	0.21	Sorption
338.2	2.07	0.42	Sorption
338.2	3.05	0.62	Sorption
338.2	4.04	0.81	Sorption
338.2	5.02	0.99	Sorption
338.2	0.35	0.07	DeSorption
338.2	0.84	0.19	Desorption
338.2	1.35	0.30	Desorption
338.2	2.32	0.50	Desorption
338.2	3.31	0.70	Desorption
338.2	4.29	0.87	Desorption

Table 2. Sorption and desorption isotherms of argon in PVB (The original data were represented graphically)
T/K	Pressure [MPa]	Solubility [(V₁(STP)/V₂)]	Method/Comments
298.2	0.11	0.15	Sorption
298.2	0.60	0.77	Sorption
298.2	1.09	1.29	Sorption
298.2	2.12	2.25	Sorption
298.2	3.09	3.09	Sorption
298.2	4.13	3.87	Sorption
298.2	4.52	4.14	Sorption
298.2	5.02	4.47	Sorption
298.2	0.35	0.49	Desorption
298.2	0.85	1.01	Desorption
298.2	1.58	1.80	Desorption
298.2	2.55	2.71	Desorption
298.2	3.78	3.68	Desorption
308.2	0.07	0.06	Sorption
308.2	0.60	0.63	Sorption
308.2	1.08	1.09	Sorption
308.2	2.07	1.92	Sorption
308.2	3.04	2.71	Sorption
308.2	4.04	3.33	Sorption
308.2	5.02	3.96	Sorption
308.2	0.22	0.24	Desorption
308.2	0.86	0.89	Desorption
308.2	1.58	1.54	Desorption
308.2	2.57	2.34	Desorption
308.2	3.54	3.03	Desorption
308.2	4.23	3.47	Desorption
338.2	0.22	0.15	Sorption
338.2	0.60	0.41	Sorption
338.2	1.09	0.70	Sorption
338.2	2.07	1.29	Sorption
338.2	3.09	1.83	Sorption
338.2	4.03	2.32	Sorption
338.2	5.01	2.82	Sorption
338.2	0.35	0.26	Desorption
338.2	0.84	0.60	Desorption
338.2	1.57	1.05	Desorption
338.2	2.55	1.63	Desorption
338.2	3.54	2.13	Desorption
338.2	4.52	2.61	Desorption
343.2	0.11	0.09	Sorption
343.2	0.36	0.18	Sorption
343.2	1.08	0.50	Sorption
343.2	2.06	0.92	Sorption
343.2	3.05	1.34	Sorption
343.2	4.27	1.80	Sorption
343.2	5.02	2.10	Sorption
343.2	0.60	0.27	Desorption
343.2	1.82	0.84	Desorption
343.2	3.78	1.65	Desorption

Table 3. Dual mode sorption parameters of gases in PVB at various temperatures
T/K	Chemical Name	Henry's law constant, K [cm³ (STP) cm^-3 atm^-1]	Langmuir's parameter, C_H [cm³(STP)/cm³]	Affinity Coefficient b [atm^-1]
308	N2	0.0230	1.07	0.0222
323	N2	0.0217	0.44	0.0222
338	N2	0.0207	—	—
298	Ar	0.0597	2.30	0.0398
308	Ar	0.0563	1.80	0.0387
318	Ar	0.0510	1.30	0.0382
328	Ar	0.0458	0.91	0.0358
338	Ar	0.0510	—	—
343	Ar	0.0444	—	—

View Figure 1 for this Evaluation

Method/Apparatus/Procedure:
   Sorption isotherms were measured gravimetrically with a Cahn model 2000 electrobalance.

Source and Purity of Materials:
   Ar: purity 99.999 %.
N₂: purity 99.999 %.
CO₂: purity 99.99 %.
PVB: reaction of poly(vinyl alcohol) and benzoyl chloride (see Ref. 1).

Estimated Errors:

   Temperature: No information given.

References:
   ¹T. Hirose, K. Mizoguchi, and Y. Kamiya, 5. Appt. Polyin. Sci. 30, 401 (1985).