Sample Preparation and Analysis Techniques for FTIR:
Horizontal ATR – attenuated total reflectance. Allows measurement of aqueous solutions, elastic and viscous samples which are difficult to grind
Specular reflectance – allows measurement of thin films on metals
KBr Discs – allow suspension of powders or contaminants in IR transparent KBr so they may be analysed
Gas cells for head space analysis.
Solvent extractions of low level bulk organic compounds and surface contaminants.
Solution cells – for measuring liquid sample in transmission mode.