Infrared - Spectroscopy :
Type ?
Absorption spectroscopy
Wavelength range : 100 - 4000 cm-1
Molecular Basis :
Vibrations- und rotations of molecules

technique:
source : heated solid surface of e.g. Zirconium oxide or SiC
Prisms made from NaCl, KBr, NaF, CaF2..
Detector: semiconductor diodes, PbS, Thermo elements,..
Specific techniques for biomolecules in water:
e.g. ATR = attenuated total reflection