The Thermal Desorption of Chocolate Flavoured Powder using Difficult Matrix Introduction (DMI)

Application Note No. 078 The Thermal Desorption / Pyrolysis of Glass Fibre Air Filters Diane Nicholas    Direct desorption of analytes from sample matrix to column Multi-step thermal desorption followed by pyrolysis of same sample in injector Can…

Application Note No. 080 Analysing Quaternary Ammonium Salts (QAS) in Seawater by Difficult Matrix Introduction (DMI) Diane Nicholas • No sample preparation necessary • Removes water under controlled conditions prior to analysis • Retains the salt and involatiles within the…

Application Note No. 054 Analysis of Trace Level Silicone Oil in Vehicle Paint using Difficult Matrix Introduction (DMI) Coupled with Selective Exclusion Diane Nicholas Exclusion of major components allowing trace level detection  No manual sample preparation  May be…

Application Note No. 082 Multi-Residue Analysis of Pesticides in Samples of Lettuce and Peas Using Large Volume-Difficult Matrix Introduction-Gas Chromatography-Mass Spectrometry (LV-DMI-GC-MS) Richard Fussell, Central Science Laboratory, York, N. Yorks, UK Diane Nicholas Introduction Ethyl acetate is widely used as…