As the sensitivity of analytical instrumentation is constantly improving, and ultra-traces of compounds are being analyzed, the purity of reagents is becoming of paramount importance. Trace impurities in the water used to prepare LC-MS mobile phases, standards or blanks may lead to erroneous results or difficulties in analyzing data.
A method coupling gas chromatography-tandem mass spectrometry (GC-MS/MS) and multiple reaction monitoring (MRM) tracks lipid markers of decomposition in commingled remains.
This week's top stories on the Chromatography Online website spotlight LCGC International's new SFC-focused interview series charting the technique's rise alongside LC and GC, complemented by a practical GC data-reporting refresher and a study using chromatography to detect trace pesticides in tap water.
Headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) and gas chromatography-olfactometry-mass spectrometry (GC-O-MS) reveal aroma compounds in two Sichuan pepper oils.