Forensic chemistry
Videos
Forensic chemistry is the application of chemistry and its subfield, forensic toxicology, in a legal setting. It involves the identification, analysis, and interpretation of substances such as drugs,
A U.S. Customs and Border Protection chemist reads a DNA profile to determine the origin of a commodity
Chemists were able to identify the explosive ANFO at the scene of the Oklahoma City bombing.
A bottle of strychnine extract was once easily obtainable in apothecaries.
A GC-MS unit with doors open. The gas chromatograph is on the right and the mass spectrometer is on the left.
High-performance liquid chromatography, formerly referred to as high-pressure liquid chromatography, is a chromatography technique in analytical chemistry used to separate, identify, and quantify spec
Forensic chemistry
…found at a crime scene. Specialists in this field have a wide array of methods and instruments to help identify unknown substances. These include high-performance liquid chromatography, gas chromatography-mass spectrometry, atomic absorption spectroscopy, Fourier transform infrared spectroscopy, and thin layer chromatography. The range…
A modern self-contained HPLC
At the ARS Natural Products Utilization Research Unit in Oxford, MS., a support scientist (r) extracts plant pigments that will be analyzed by a plant physiologist (l) using an HPLC system.
The quantitative parameters and equations which determine the extent of performance of the chromatographic system
Tubing on a nano-liquid chromatography (nano-LC) system, used for very low flow capacities