A tall, annual hemp plant native to central Asia from which marijuana is harvested.
Material whose possession is controlled by law.
An agent that can cause birth defects an embryo or fetus.
Drugs that relieve pain.
Drugs synthesized with particular pharmacological characteristics, designed for abuse and evasion of specific drug laws.
Measurement of the absorption of electromagnetic radiation of a substance at different wavelengths of the spectrum.
Test that presumes the presence of the questioned substance (AKA screening test)
Describes materials that do not mix.
Tests that specifically ID one substance study.
The branch of science that includes the study of electromagnetic radiation and its interaction with matter.
A substance being analyzed.