Multisimplex Optimisation of the Purge-and-Trap Preconcentration of Volatile Fatty Acids, Phenols and Indoles in Cow Slurries

Abstract  In this work the simultaneous purge-and-trap (P&T) preconcentration of volatile fatty acids (acetic acid, propanoic acid, butanoic acid, iso-butanoic acid, pentanoic acid, iso-pentanoic acid, hexanoic acid and heptanoic aci