| abstract |
The invention relates to an infrared measuring device, in particular for the spectrometry of aqueous systems, comprising at least one measuring unit, in particular a measuring cell, comprising at least one ATR body and at least one infrared light source, the infrared light source comprising one or more quantum cascade lasers, which in particular emit radiation from a Emit wavelength in the middle infrared range, and that the measuring unit contains at least one ATR body, which comprises at least two planar boundary surfaces, which is transparent to the measuring radiation and which has a refractive index which is greater than that of an adjacent to at least one boundary surface to be examined Medium, in particular greater than or equal to 1.5. |