December 23rd 2024
An LC–HRMS approach for the simultaneous analysis of 15 N-nitrosamines in multiple APIs using a novel HILIC-based SPE clean-up step has been developed and tested.
December 11th 2024
Trends in Sample Preparation, Part II: Sample Considerations and Techniques
March 1st 2024This installment examines a sample preparation survey, focusing on sample sizes, laboratory techniques used, automation, the use of solid-phase extraction (SPE) devices (cartridges, disks, plates, tips), SPE chemistries and selection criteria, and problems encountered in SPE.