IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Sulfur dioxide with Polyarylate (Ardel-D 100)
Components:
   (1) Polyarylate (Ardel-D 100); ; [25639-68-3]  NIST Chemistry WebBook for detail
   (2) Sulfur dioxide; SO2; [25036-53-7]  NIST Chemistry WebBook for detail
Original Measurements:
   G.R. Ranade, R. Chandler, C.A. Plank and W.L.S. Laukhauf, Polym. Eng. Sci. 25, 164 (1985).

 Variables:
   Temperature = 298 K - 336 K
   Pressure = 0-90 kPa

 Prepared By:
   S.M. Shishatski

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Dual mode sorption parameters for sulfur dioxide inpolyarylate
T/KHenry's law constant, K [cm3(STP)/cm3 atm]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]
2781.784.691.60
29832.4716.0616.03
31314.9925.075.02
3285.0130.012.77
3363.5024.041.26
 View Figure 1 for this Evaluation

Method/Apparatus/Procedure:
   Sorption was measured using a gravimetric technique (a McBain quartz spring balance). For detailed description of the experimental procedure see Ref. 1.

 Source and Purity of Materials:
   Polyarylate (Ardel-D 100): Union Carbide, copolyester of bisphenol A with 50/50 mixture of iso- and terephthalic acid. Density 1.21 g/cm3, Mn = 12300, M,=29 800.

 Estimated Errors:

   Temperature: Precision in T: ±0.1 K

 References:
   1O. R. Ranade, V. M. Nadgir, C. A. Plank, and W. L. S. Laukhuf, J. AppI. Polym. Sci.28, 201 (1983).