Abstract
Penetration of monolayers of aliphatic substances and sterols, by aliphatic alcohols and acids of chain length from five to eight carbons, is similar to that by the four-carbon alcohol and acid except that it is much more powerful.
p
-Ethyl phenol penetrates much more than phenol. Each CH
2
group added to the hydrocarbon chain decreases the concentration required for equal penetration by a factor of about 4.5. The penetration is, with these substances, non-specific, resulting only in a disruption of the cohesion of the monolayer. A single-wire surface balance, sensitive to 0.01 dyne/cm., is described.
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10 articles.
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