Street drugs were analyzed using EnSpectr MixSplitter to reveal the content of drug preparations down to 0.1 % mass fraction. The MixSplitter instrument served as a solid-state chromatograph. Although its sensitivity is appreciably lower than that of a liquid or gas chromatograph, the absence of necessity for time-consuming sample preparation and high identification rate of narcotic substances in small quantities (10 min.) make MixSplitter an indispensible tool for rapid detection and identification of narcotic substances in