App Notes

A method for the determination of pyrethroids in water at ultra-low-level concentrations of 0.02 and 0.10 ng/mL was developed using solid-phase extraction (SPE) for pre-concentration and subsequent analysis by GC with PTV injection. Careful selection of the autosampler vial type was needed to minimize adsorption effects.

The use of QuEChERS dispersive SPE as a simple, fast, and quantitative sample preparation method is demonstrated for the GC-MS analysis of 18 polycyclic aromatic hydrocarbons (PAHs) in soil. The suitability of the Thermo ScientificTM TraceGOLDTM TG-17SilMS GC column for the separation of 18 PAHs is also shown. The average recoveries for the spiked 18 PAHs in soil at 1 mg/kg were between 85.0% and 106.7% with relative standard deviations between 0.3% and 2.8% using the original QuEChERS methodology.

This application note describes a Solid Phase Extraction (SPE) protocol for the extraction of a range of mycotoxins from wheat flour, wheat, maize and barley using ISOLUTE® Myco with LC-MS/MS.

4 Phosphopeptides are analysed using a bioinert coated YMC-Accura Triart C18 column.

Plant-based proteins are a rapidly growing market with plant-based seafood replacement also seeing significant growth in recent years.

The analysis of human plasma samples using a bioinert-coated YMC Accura Triart C8 column demonstrates real-life lipidomic analysis in under 10 minutes