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This article in SSSAJ

  1. Vol. 30 No. 1, p. 128-129
     
    Received: Aug 13, 1965


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doi:10.2136/sssaj1966.03615995003000010041x

Surface Tension and Water Contamination as Related to the Selection of Flow System Components1

  1. G. C. Topp2

Abstract

Abstract

The changes in air-water interfacial tensions caused by contaminants leached from 16 different materials were measured. This was an attempt to find noncontaminating components for a water flow system. A modification of the Wilhelmy slide method using a small volume of water was adopted to measure surface tensions. Only seven of the materials tested showed no measureable effect on the surface tension of the water. In addition to a reduced surface tension caused by the nine remaining materials there was an increased contact angle.

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