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Contact line deposits in an evaporating drop

Open access
Deegan, Robert D., Bakajin, Olgica, Dupont, Todd F., Huber, Greg, Nagel, Sidney R., Witten, Thomas A.·2000·Physical Review E

Abstract

Solids dispersed in a drying drop will migrate to the edge of the drop and form a solid ring. This phenomenon produces ringlike stains and occurs for a wide range of surfaces, solvents, and solutes. Here we show that the migration is caused by an outward flow within the drop that is driven by the loss of solvent by evaporation and geometrical constraint that the drop maintain an equilibrium droplet shape with a fixed boundary. We describe a theory that predicts the flow velocity, the rate of growth of the ring, and the distribution of solute within the drop. These predictions are compared with our experimental results.

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Metadata

Authors
Deegan, R. D., Bakajin, O., Dupont, T. F., Huber, G., Nagel, S. R., & Witten, T. A.
Venue
Physical Review E
Published
2000-07-01
Volume
62
Issue
1
Pages
756-765
ISSN
  • 1063-651X (ISSN-L)
  • 1095-3787
OpenAlex
W1985180473
Cited by
2,300
References
0
FWCI
16.41
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Contact line deposits in an evaporating drop. https://app.cochat.ai/papers/10.1103/physreve.62.756
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Deegan, R. D., Bakajin, O., Dupont, T. F., Huber, G., Nagel, S. R., & Witten, T. A. (2000). Contact line deposits in an evaporating drop. Physical Review E. https://doi.org/10.1103/physreve.62.756

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.