Glass Cleaning and Characterization of Cleanliness

  • L. L. Hench
  • E. C. Ethridge


The use of a number of different surface analytical techniques for surface characterization of glasses is outlined. Since glass surfaces react with the atmosphere producing surface films which are different from the bulk composition an understanding of the nature of these films is needed in order to understand the meaning of surface cleanliness. The five types of surfaces which can form on glasses are reviewed and examples are given. Glass durability tests require that the surface films be removed prior to testing. A procedure for characterizing the cleanliness of samples for durability tests is reported. The kinetics of silica rich film formation are presented as well as the effects of environmental solution variables on film formation and stability. The use of Auger electron spectroscopy to characterize the cleanliness of glass surfaces cleaned by various procedures is presented. It is demonstrated that sulfuric acid dichromate solution effectively removes surface contamination from glasses.


Glass Surface Auger Electron Spectroscopy Vitreous Silica Selective Leaching Remove Surface Contamination 
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Copyright information

© Plenum Press, New York 1979

Authors and Affiliations

  • L. L. Hench
    • 1
  • E. C. Ethridge
    • 1
  1. 1.Ceramics Division, Department of Materials Science and EngineeringUniversity of FloridaGainesvilleUSA

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