DETECTION OF SUBSTANCES IN LIQUIDS, IN PARTICULAR PSYCHOACTIVE SUBSTANCES

摘要

An apparatus is disclosed for contactless detection of the content of substances in a liquid by means of at least two monochromatic light emitters of different wavelenghts. In one embodiment, the light is reflected in an external surface of an alcoholic drink in order to detect for content of psycoactive substances, in another embodiment is the liquid urine and the apparatus is adapted to provide an output of the contents of in particular myogibin, blood and glucose in the urine.