Surface analysis

Surface functional group analysis by fluorescence labelling (FL)



Surface of solids, incl. powders

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



Spex Fluorolog 122

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

Equipment for carrying out surface chemical reactions



  • Concentration of a particular functional group



Determination of functional group concentrations

  • Immobilization of biological molecules
  • Detailed analysis of treatment results


Additional information


Comparative and additional methods

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