

Analysis of Diquat and Paraquat Using UHPLC
Orbitrap MS – Method Development, Matrix
Effects and Performance
Jonathan Beck,
1
Paul Yang,
2
Xiaodong Liu,
1
Chunyan Hao,
2
Xiaoming Zhao,
2
Franca Morra,
2
Charles Yang,
1
Maciej Bromirski,
1
and Dipankar Ghosh
1
1
Thermo Fisher Scientific, San Jose, USA ;
2
Ontario Ministry of the Environment, Ontario, Canada