The Capillary Method Essay by cjif

The Capillary Method
Examines surface tension measurements of pure water, NaCl solutions, and HOAc solutions using the capillary rise technique.
# 53378 | 2,048 words | 4 sources | MLA | 2003 | PH
Published on Oct 25, 2004 in Engineering (General) , Physics (General) , Chemistry (General)

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This paper is a technical report on a laboratory experiment on surface tension measurements using the capillary rise method. Samples are deionized water and varying concentrations of NaCl and of HOAc. Calculations are included in the appendix.

From the Paper:

"Increasing concentrations of HOAc solutions tend to lower surface tension of water, while NaCl solutions increase surface tension of water. The former results to a condition called positive surface concentration, where the solute tend to concentrate slightly in the neighborhood of the surface; the latter is due to negative surface concentration, where the solute molecules become less concentrated in the neighborhood of the surface."

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