SDS Volume (3232)

Volume 67. Halogenated Ethanes and Ethenes with Water, p 559

Original Measurements

Mackay, D.; Shiu, W.; Bobra, A.; Billington, J.; Chau, E.; Volatilization of Organic Pollutants from Water, U.S. EPA Report 600/3-82-019, Washington, DC, 1982, (NTIS PB82230939).

Variables:

Room Temp: 293 - 298 $\pu{K}$

Prepared by:

A.L. Horvath

Method/Apparatus/Procedure:

An aqueous solution with an excess amount of 1,2-dibromoethane was stirred for one day before being introduced into a one liter glass vessel. Nitrogen entered at the bottom of the vessel through a sintered glass disk. The exit gas flow rate was measured by a soap bubble flow meter. The concentration of 1,2-dibromoethane in water was determined by gas chromatography. The GC was equipped with both a dual flame ionization detector and an electron capture detector.

Source and Purity of Materials:
  1. Source and purity not given.
  2. Doubly distilled.
Estimated Errors:

Ambient temperature: ±1.0 K.
Mass concentration (m/v) (1): Not specified.

Components:
  1. 1,2-Dibromoethane, $\ce{ C2H4Br2 }$; [106-93-4] NIST WebBook
  2. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
$T$ (°C) $x_{2}$ $x_{2}$ $C_{1}$ (mol/m3) 100w1 w2 $x_{1}$
20 --23.0 0.432-4.16 x 10-4
25 4.00 x 10-34.00 x 10-322.94 0.4310.03854.15 x 10-4

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