The use of chemical spot tests kits for the presumptive identification of narcotics and drugs of abuse.
D003124:Colorimetry; D004355:Drug Stability; D005189:False Positive Reactions; D005554:Forensic Medicine; D006556:Heroin Dependence / Q000175:diagnosis; D006801:Humans; D007202:Indicators and Reagents; D009294:Narcotics / Q000032:analysis*; D019966:Substance-Related Disorders / Q000175:diagnosis*; D013696:Temperature
D007202:Indicators and Reagents; D009294:Narcotics