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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
1,2,4-Trichlorobenzene with Water
Components:
(1) Water-d2; D2O; [7789-20-0]
NIST Chemistry WebBook
for detail
(2) 1,2,4-Trichlorobenzene; C6H3Cl3; [120-82-1]
NIST Chemistry WebBook
for detail
Original Measurements:
Hutchinson, C.A.; Lyon, A.M., Columbia University Report A-745, July 1, 1943.
Variables:
Temperature = One temperature
Prepared By:
G. Jancso
Experimental Data:
(Notes on the Nomenclature)
t/°C
10
3
* Molality mol
1
/kg
mol
1
/kg Note
10
1
* g
1
/kg
g
1
/kg Note
10
3
* Mole Fraction x
1
x
1
Note
25
9.98
b
1.999
a
1.808
a
Notes:
a
Calculated by F. W. Getzen.
b
Reported (average of two experimental measurements).
Method/Apparatus/Procedure:
Between 25 and 100 ml 1, 2, 4-trichlorobenzene and 1 to 2 ml D
2
O were placed in a flask and shaken for about 90 min. The thermostat water bath temperature was maintained within ± 0.05°C. Then, a sample was removed and the amount of D
2
O dissolved was determined by a modified Karl Fischer titration (1). The original report was unavailable; however, the method and the results were described in sufficient detail in (1). The solubility of H
2
O in 1, 2, 4-trichlorobenzene was also determined and found to be 0.01123 mol(1)/kg. The average devitation for two experiments was ±0.00006 mol(1)/kg.
Source and Purity of Materials:
(1) Carefully purified and dried before use. Source and method not given.
(2) Source not specified.
Estimated Errors:
Solubility: av. dev. ±2.1 x 10
-5
mol D
2
O/100 g solution.
Temperature: ± 0.05 K.
References:
1
Eidnoff, M. L. In "Production of Heavy Water", National Nuclear Energy Series Division III-Vol. 4F, Murphy, G. M., Urey, H. C., Kirshenbaum, I., Eds.; McGraw-Hill: New York, 1955; Part II, Chapter 7, pp 129-44.