GC-MS is a technique used for analysis of volatile and semi-volatile compounds. Gas chromatography is a potent separation technique capable of separating compounds in gaseous form. GC can identify ...

Gas chromatography-mass spectrometry (GC-MS) is an analytical technique that brings together GC’s separation methods with MS’ abilities to identify and measure different compounds within a sample.

In Star Trek, Mr. Spock’s hand-held tricorder can instantly tell what something is made of. We don’t have tricorders yet, but we’re getting close. Portable devices just a little too big to hold in one ...