A Smart Clean-up Approach to Reduce Matrix Effects and Isobaric Interference for Multi-residue Pesticide Analysis, Based Upon LC-MS/MS, of the Difficult Matrices, Black Tea and Cocoa Beans

Application Note Determination of Pesticide Residues in Black Peppercorns Using LC-MS/MS After Extraction and Clean up Using QuEChERS and Pass-Through SPE Simon Hird, Jun Xiang Lee, Wenlin Zhang Waters Corporation Abstract Applying a generic QuEChERS protocol without clean-up is challenging…

Application Note Determination of Pesticide Residues in Cottage Pie Baby Food Using GC-MS/MS With APGC™ After Extraction Using QuEChERS and Clean-up With Oasis™ PRiME HLB SPE Simon Hird, Stuart Adams, Janitha De-Alwis Waters Corporation This is an Application Brief and…

Tips for Faster Sample Preparation - Focusing on Multi-residue Analysis Jeremy Shia Chemistry Technology Center [email protected] July 22nd, 2019 ©2019 Waters Corporation COMPANY CONFIDENTIAL 1 Agenda  Sample Preparation for Residue analysis – Workflow – Compound/Class specific versus multi-residue …

Waters Application Notes Food Testing TO YOUR LABORATORY GC WITH THE POWER OF XEVO ■ Engineered to maximize uptime ■ Minimal method development ■ Easily surpass regulatory limits ■ Reduce training time and costs www.waters.com/tqgc Ensuring consistent, reliable security in…