METHODS

In surface science area, researches use a variety of different measuring methods.The choice of the measuring method depends on the application-technique. Future Digital Scientific’s instruments can offer all different techniques shown here for various applications and situations encountered in the industries.
Contact Angle Measurement   –  Sessile Drop Method
  • Determination of the static and dynamic contact angle on solids.
  • Determination of the surface free energy of solid.
Single Fiber Method   – Contact Angle on Fibers
  • Determination of the advancing and the receding angle of liquids on filbers.
  • Determination of the wetted circumterence/diameter of fibers.
Pendant Drop Method   – Surface tension, Interfacial Tesnion Measurement
  • Determination of the interfacial and surface tension of liquids.
Drop Volume Method
  • Determination of the dynamic surface tension of liquids.
Spinning Drop Method   –  Interfacial Tension Measurement
  • Determination of the interfacial tension of liquids down to very low values.
  • Determination of the relaxation behavior of interfacial after speed steps and speed oscillation.
Maximum Bubble Pressure Method  –    Dynamic Surface Tension
  • Determination of the dynamic surface tension of liquids.
Wilhelmy Plate Method       –  Surface Tension Measurement
  • Determination of the static surface and interfacial tension of liquids.
  • Determination of the critical micelle concentration of surfactants ( CMC ).
Dynamic Willhelmy Method
  • Determination of the advancing and the receding angle of prismatic and cylindric sample.
Powder Contact Angle Method
  • Determination of the contact angle of powders.
  • Determination of the absorption behavior of liquids on wettable materials.
Du Nouy Ring Method   – Surface Tension
  • Determination of the static surface and interfacial tension of liquids.
  • Determination of the critical micelle concentration of surfactants ( CMC ).
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