Analysing Quaternary Ammonium Salts (QAS) in Seawater by Difficult Matrix Introduction (DMI)

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…

Application Note No. 085 The Focus Robotic Sample Processor as a Tool for the Multiple Analysis of Samples using Complementary Techniques Diane Nicholas    Multiple techniques using one instrument Simple to change between techniques Fuly automated analyses Instrumentation…

Application Note No. 059 The Role of Selective Exclusion in the Analysis of Specific Hydrocarbons in n-Alkane Waxes Diane Nicholas. Introduction The analysis of wax n-alkanes, between C10 and C70 +, in crude oil, condensates and wax deposit samples by…