Methods for Determining the Presence of Tranquilizers and Other New Drugs in Urine of Dogs

An attempt has been made to work out general methods of determining the presence of recent drugs, among others, tranquilizers. Colour reaction with cone. H2SO4, paper chromatography, and absorption in UV and certain special reactions have been tried. Ten of these substances have been given to dogs. After that attempts have been made to determine the presence of them in the urine from the dogs. Seven of these preparations were identified (for sure.