Analytes are identified and can be quantified by chromatography alone; however the capabilities of the mass spectrometer permit more precise identification of the organic molecules. Instrumentation: ...

There are two gas chromatography (GC) systems in the laboratory. The Agilent 6890 Series Gas Chromatography System uses an electron capture detector (ECD) to quantify analytes, and the Agilent 7890A ...

A paper chromatogram can also be used to identify substances by comparing them with known substances. Two substances are likely to be the same if: they produce the same number of spots ...