How Much Does a Lie Detector Test Cost. How Much Does a Lie Detector Test Cost. The application potential of polygraphs makes this tool one of the most sought after private investigator services. Many people in the UK seeking the truth in a matter that is of interest to them have turned to private investigators to have polygraphs administered.
Confidence votes 228. Infrared spectroscopy, or IR spectroscopy, is a method of spectroscopy used by organic chemists to help determine the structure of an unknown molecule. An IR spectrum will have peaks based on how much light was visible when shone through different parts of the molecule.
Definition of Infrared Spectroscopy. Infrared spectroscopy (IR) is a characterization tool chemists use to help determine the molecular structure.IR capitalizes on the concept that functional groups absorb specific frequencies of energy based on their structure.When a functional group absorbs energy, it can vibrate in a bending or stretching mode and the characteristic energy for this vibrational mode is reported in wavenumbers.R capitalizes on the concept that functional groups absorb specific frequencies of energy based on their structure. When a functional group absorbs energy, it can vibrate in a bending or stretching mode and the characteristic energy for this vibrational mode is reported in wavenumbers.