Surface analysis

 

Analyte

Surface of solids, incl. powders

• Sample size : >2 mm x 5 mm
• Sensitivity : 0.001 monolayer
• Functional groups : -OH, C=O, COOH, NH, NH₂

 

Equipment

Spex Fluorolog 122

• Excitation with Xenon lamp
• One stage excitation monochromator, two stage emission monochromator
• SEV detector

Equipment for carrying out surface chemical reactions

 

Result

• Concentration of a particular functional group

 

Application

Determination of functional group concentrations

• Immobilization of biological molecules
• Detailed analysis of treatment results

 

Additional information

• Surface analytical techniques [PDF]

 

Comparative and additional methods

• X-ray photoelectron spectrometry (XPS)
• Contact angle goniometry (CAG)
  
• Secoundary ion mass spectrometry (SIMS)