SDS Volume (752)

Volume 38. Hydrocarbons in Water and Seawater, Part II, p None

Original Measurements

Lane, W. H.; Ind. Eng. Chem. Anal. Ed. 1946, 18, 295-6.

Variables:

Room Temp: 7 - 65 °C

Prepared by:

Z. Maczynska, A. Maczynski

Method/Apparatus/Procedure:

(a) The solubility of (1) in (2) was determined by means of the formaldehyde-sulfuric acid reagent, (1). The value shown for 7 °C is the mean of three determinations, and the value for 25 °C is the mean of two determinations; all other data are single determinations only.
(b) The cloud point exhibited by this system appeared to be very sharp, as the samples passed from a state in which they were cloudy within 1 °C. The cloud point data averages of from two to eight separate determinations. Cloud points at 0.025 g(1)/100 g solution were very faint.

Source and Purity of Materials:
  1. Source not specified; fresh samples; used as received.
  2. not specified.
Estimated Errors:

Ambient temperature: (b) ±0.5°C (from two to eight determinations)

References

1 Morris, H. E.; Stiles, R. B.; Lane, W. H.; Ind. Eng. Chem. Anal. Ed. 1946, 18, 294.

Components:
  1. Styrene, $\ce{ C8H8 }$; [100-42-5] NIST WebBook
  2. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
(a) Formaldehyde-Sulfuric Acid Reagent Method
$T$ (°C) MR1 (g1/100 g2) $x_{1}$
7 0.029 5.0 x 10-5
24 0.033 5.7 x 10-5
32 0.036 6.2 x 10-5
40 0.040 6.9 x 10-5
51 0.045 7.8 x 10-5
15 0.025 4.3 x 10-5
25 0.031 5.3 x 10-5
44 0.040 6.9 x 10-5
49 0.045 7.8 x 10-5
56 0.050 8.6 x 10-5
65 0.058 1.00 x 10-4

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