The primary column is used to determine presence of the target analytes in the sample; the secondary column of a different selectivity confirms whether a positive match.
High performance, reliability, and reproducibility of HS-SPME in combination with GC/MS for the determination of VOCs in water was proven in an interlaboratory trial. The new ISO 17943 using HS-SPME is an improvement on existing official methods for this determination
Honey bee exposure to neonicotinoid pesticides could contribute to colony collapse disorder (CCD). This application utilizes QuEChERS Extraction and LC-MS Analysis.
The Millipore® Patch Test Kit is a portable kit for the collection and testing of hydraulic fluids, bulk chemicals, boiler water, and lubricating oils. The kit includes consumables for 100 tests.