CHED 314 |
| Approximately one hundred lipstick samples were extracted with acetone, with the extract subsequently analyzed via gas chromatography with flame ionization detection (GC/FID). Nearly all of the studied samples produced a unique pattern of chromatographic peaks, indicating that GC/FID is a reliable (albeit destructive) method for differentiating among lipstick samples. Using the collected data, a searchable database of known lipstick samples can be compiled. Chromatograms of unknown lipstick samples, such as those collected from a crime scene, can be compared to this database, potentially providing investigators with another piece of evidence in a forensic investigation.
|
|
Undergraduate Research Poster Session: Analytical Chemistry
11:00 AM-1:00 PM, Monday, March 26, 2007 Hyatt Regency Chicago -- Riverside Center, Poster
Division of Chemical Education |