Paraquat and Diquat with LC-MS

Separation of Paraquat and Diquat on NUCLEODUR^® HILIC
with LC-MS Detection

Method:	Matrix	Application-No.:
HPLC		123060


Substances:		paraquat; diquat
Column:		EC 125/2 NUCLEODUR^® HILIC, 3 µm
Phase:		NUCLEODUR^® HILIC
REF number:		760531.20

Sample:		Concentration: 500 µg/mL

Conditions:		Eluent: acetonitrile / 50 mM ammonium formate, pH 3.2 (80:20 v/v) Flow rate: 0.3 mL/min Injection volume: 1.0 µL

Detection:		LC-MS Mode: ESI+ Sample temp.: 450 °C Needle: 3.0 kV Cone voltage: 50 V A separation with UV detection is shown by Appl. No.: 123050

Author(-s):		HPLC department
Source:		MACHEREY-NAGEL, Germany 2009 acc. to EPA 549.1 and 549.2

Keywords:		bipyridinium herbicides; HILIC; LC-MS; EPA 549.1; EPA 549.2


Chromatogram:

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