Abstract
The environmental SEM (ESEM) allows the observation of liquid and liquid/solid systems in a controlled gaseous environment. In order to study the wetting properties of a wool fiber, or to understand various stages of wool scouring, a system has been devised which allows the transfer of microdroplets onto the specimen surface. A description of the microinjector device together with dynamic observations of liquid transport recorded on video cassette are reported here.Fig. 1 shows a descriptive diagram of the principle employed to transfer liquids from ambient pressure (about 1000 mbar) into the specimen chamber at hypobaric pressure (about 25 mbar). A small cavity (L) is open to the outside space via two tubes M (with 1 mm inside diameter) so that this cavity can be filled or emptied freely and quickly with a given liquid from the outside.
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Schedule a callMore From: Proceedings, annual meeting, Electron Microscopy Society of America
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