https://nij.ojp.gov/library/publications/use-microfourier-transform-infrared-spectroscopy-rapid-identification-street
USE OF MICROFOURIER TRANSFORM INFRARED SPECTROSCOPY FOR THE RAPID IDENTIFICATION OF STREET DRUGS:...
The technique of microfourier transform infrared spectroscopy (FTIR), in conjunction with microcrystal tests, has been suggested as a rapid means of street...
infrared spectroscopy