SDS Volume
Volume 62. Carbon Dioxide in Water and Aqueous Electrolyte Solutions, p None
Source Publication
Setchenow, J.; Ann. Chim. Phys. [Ser. 6] 1892, 25, 226-70.
Conditions:
Room Temp:
288.35
$\pu{K}$
Amount concentration (2):
C2/mol dm-3 = 0 - 10.065
g/L
Compiler:
Methodology:
See other data sheets on J. Setchenow papers.
Sample Information:
- See other data sheets on J. Setchenow papers.
Measurement Errors:
Ambient temperature: See other data sheets on J. Setchenow papers.
System Components:
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Potassium thiocyanate, $\ce{ KCNS }$; [333-20-0] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Initial solution: 97.8 g KSCN + 45.33 cm3 water to make 100 cm3 of sln.
| $T$ ($\pu{K}$) | $T$ (°C) | $C_{2}$ (mol/dm3) a | α ($\pu{cm3(g) cm-3(l) atm-1}$) | DF | $K_{\rm{scc}}$ ($\pu{dm3/mol}$) a,c |
|---|---|---|---|---|---|
| 288.35 | 15.2 | 0 | 1.009 | ∞ | - |
| 288.35 | 15.2 | 3.355 | 0.691 | 3 | 0.0490 |
| 288.35 | 15.2 | 5.032 | 0.590 | 2 | 0.0463 |
| 288.35 | 15.2 | 10.065 | 0.387 | 1 | 0.0413 |
(a) Calculated by the compiler.
(b) α = Bunsen coefficient [cm3 (STP) cm-3 atm-1].
(c) Kscc = Setchenow salt effect parameter; Kscc = (1/c2) lg(αo/α).
