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A new approach for measuring the effect of a monolayer on molecular transfer across an air/water interface using scanning electrochemical microscopy
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UNSPECIFIED (1998) A new approach for measuring the effect of a monolayer on molecular transfer across an air/water interface using scanning electrochemical microscopy. LANGMUIR, 14 (19). pp. 5331-5334. ISSN 0743-7463.
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Abstract
A new approach is described for the quantitative study of the effect of a monolayer on solute transfer rates across an air/water interface. The technique is illustrated through measurements of oxygen transfer across a monolayer of 1-octadecanol as a function of compression. The experimental approach uses an inverted ultramicroelectrode (UME), positioned in the water phase in a Langmuir trough close to the air/water interface to induce the transfer of oxygen from air-to water via the reduction (and depletion) of oxygen. The steady-state current response, measured as a function of UME-interface separation at various monolayer compressions, demonstrates that the rate of oxygen transfer is governed primarily by the accessible free area of the interface.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) |
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Journal or Publication Title: | LANGMUIR | ||||
Publisher: | AMER CHEMICAL SOC | ||||
ISSN: | 0743-7463 | ||||
Official Date: | 15 September 1998 | ||||
Dates: |
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Volume: | 14 | ||||
Number: | 19 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 5331-5334 | ||||
Publication Status: | Published |
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