Surface Tension between Aqueous and Isopropyl Ether Solutions of Acetic Acid
โ Scribed by Browning, F. M.; Elgin, J. C.
- Book ID
- 127170010
- Publisher
- American Chemical Society
- Year
- 1935
- Weight
- 271 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0096-4484
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๐ SIMILAR VOLUMES
Phenylarsonic acid changes the potential at the free surface of 0.1 M KC1 from -23 to -275 mV and the surface tension from 72.3 to 67.7 dy/cm over the concentration range from 0.01 to 0.1 M. o-and p-methyl derivatives of this acid are far more active; they decrease the potential to about -600 mV at
5-bromosalicylic, 5-sulphosalicylic and 3-nitrosalicylic acids increase the negative potential of the air/water boundary. The first compound is the most active; it changes the potential by 270 mV at a concentration of 0@03 M (pH 2.1) and decreases the surface tension to 70.2 dyn/cm. The increase of