SDS Volume (2571)

Volume 60. Halogenated Methanes with Water, p None

Original Measurements

Liu, J. L.; Huang, T. C.; Scientia Sinica (Peking) 1961, 10, 700-10.

Variables:

Room Temp: 293 $\pu{K}$
Concentration

Prepared by:

A.L. Horvath

Method/Apparatus/Procedure:

An accurate amount of tetrachloromethane was transferred into an Erlenmeyer flask containing a weighed amount of aqueous solution. The flask was rotated in a thermostat bath until the equilibrium was established. The optical densities of different concentrations of tetrachloromethane in the aqueous solution were measured using water as the reference liquid. Duplicate experiments were done and the results averaged. The absorption spectra of tetrachloromethane in aqueous lithium chloride solutions were determined using a Hilger spectrophotometer.

Source and Purity of Materials:
  1. Peking Chemical Factory, further purified by washing with $\ce{H2SO4}$, $\ce{NaOH}$ and water; dried over $\ce{CaCl2}$ and fractionated.
  2. Merck reagent, mixed with $\ce{HCl}$ and recrystallized.
  3. Distilled.
Estimated Errors:

Ambient temperature: ±0.5 K (compiler).
Mass concentration (m/v) (1): Not specified.

Components:
  1. Tetrachloromethane, $\ce{ CCl4 }$; [56-23-5] NIST WebBook
  2. Lithium chloride, $\ce{ LiCl }$; [7447-41-8] NIST WebBook
  3. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
$T$ (°C) ρ (g/L) $C_{2}$ (mol/dm3) 100w1 $x_{1}$
200.717 0.1867 0.07138.389 x 10-5
200.696 0.3496 0.06868.108 x 10-5
200.676 0.4352 0.06697.924 x 10-5
200.644 0.7015 0.06337.541 x 10-5
200.609 0.9765 0.05947.130 x 10-5

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