You may use these cleaning agents in the system.
Note: Cleaning agents require short (less than 30 minutes) contact time when flushing instruments.
- Formic acid (≤30%)
- Phosphoric acid (≤30%)
- Sodium hydroxide (≤1M)
See also: The cleaning procedures in
Controlling Contamination in LC/MS Systems (715001307) on the Waters website (
www.waters.com).