fundamentals of interface chemistry  
measure method of surface tensiometer  
measure mehod of contact angle meter  
measure mehod of spinning drop tensiometer  
References and Applications  
Dictionary and Glossary  
Glossary A-G  
Glossary H-M  
Glossary O-T  
Glossary U-Z  
Standards  
Video Collection  
product
about
News
  View Products
 
  contact us
 
 
> HOME > References and Applications >Contact angles; wetting and de-wetting of mercury: Part I. A critical examination of surface tension measurement by the sessile drop method
Contact angles; wetting and de-wetting of mercury: Part I. A critical examination of surface tension measurement by the sessile drop method

 C. A. Smolders, E. M. Duyvis

Article first published online: 2 SEP 2010

DOI: 10.1002/recl.19610800607

 

Abstract

A survey is given of the existing methods for measuring the surface tension from the geometry of sessile drops. These methods, which generally consist of the measurement of simple drop dimensions, are insufficiently accurate for use with adsorption studies.

A new procedure is described to find the surface tension by means of a graphical evaluation of the drop shape factor β (the constant shape factor as defined in Bashforth and Adam's treatment of the sessile drop). In this way the accuracy is considerably increased (0.1% uncertainty in γ).

The interfacial tension of the system mercury/0.05 M Na2SO4 at −0.460 V vs. saturated calomel electrode, and at 25°, is found to be 426.2 ± 0.2 dynes/cm, which agrees well with the literature.

Recueil des Travaux Chimiques des Pays-Bas

Volume 80, Issue 6, pages 635–649, 1961

 

 
 
 

 
Copy Right(C)2005-2014 USA KINO Industry Co., LTD. sales@uskino.com. sales@kinochina.com All rights reserved. Sitemap
Follow US: youtube of USA KINO facebook of USA KINO

Link: KINO China, USA KINO
keywords:Interfacial tensiometer|Interface tension|Interfacial tension|measurement of contact angle|measurement of surface tension|interface tensiometer