Photothermal investigations of thin-layer chromatography plates

Grisa Mocnik; Irena Vovk; Mladen Franko; Stephan Offermann; Juergen Gibkes; Gerard D. Gardette; Jean-Claude Krapez

doi:10.1117/12.386320

19 May 2000 Photothermal investigations of thin-layer chromatography plates

Grisa Mocnik, Irena Vovk, Mladen Franko, Stephan Offermann, Juergen Gibkes, Gerard D. Gardette, Jean-Claude Krapez

Proceedings Volume 3916, Biomedical Optoacoustics; (2000) https://doi.org/10.1117/12.386320
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

We have performed pulsed photothermal radiometric measurements of thermal diffusivity of silica-gel on thin- layer chromatography plates at two different IR wavelength regions ane obtained values in the region of D equals 0.2 mm²/s. We then proceeded to depth profiling of TLC plates with photoacoustic measurements with modulated excitation using IR and visible excitation.

Citation Download Citation

Grisa Mocnik, Irena Vovk, Mladen Franko, Stephan Offermann, Juergen Gibkes, Gerard D. Gardette, and Jean-Claude Krapez "Photothermal investigations of thin-layer chromatography plates", Proc. SPIE 3916, Biomedical Optoacoustics, (19 May 2000); https://doi.org/10.1117/12.386320

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