It is often very difficult to distinguish the true source of wastewater contamination, especially where wastewater treatment plants are located in agricultural areas. Robust and sensitive techniques are needed to characterize impacts where there are multiple potential sources. This study analyzed a variety of synthetic chemicals using LC–QQQ–MS to generate unique fingerprints of pollution.
The adulteration of olive oil is big business. As fraudsters seek to circumvent existing procedures utilising advanced methods, analytical chemists must level up their efforts. LCGC spoke to Michele Suman about novel screening and confirmatory analytical strategies he has investigated to regain the upper hand in the fight against olive oil adulteration.
In this third part in the series, we discuss chemical causes of peak asymmetry, including effects from mass overload and slow desorption kinetics.
