Waters SYNAPT G2 Operator's, Overview And Maintenance Manual page 131

• Appropriately-sized glass vessel in which to completely immerse the
T-Wave ion guide when cleaning
Requirement:
surfactants.
• HPLC-grade (or better) 1:1 methanol/water
• Ultrasonic bath
• Source of oil-free, inert gas (for example, nitrogen) for drying (air-drying
optional)
To clean the T-Wave ion guide
Warning:
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
Use only methanol when cleaning the T-Wave ion guide. Use
Caution:
of acetone, chlorinated solvents, or acid will damage the assembly.
1. Using the wash bottle containing methanol, rinse the T-Wave ion guide
over the large beaker.
2. Place the T-Wave ion guide in the glass vessel.
3. Add 1:1 methanol/water to the glass vessel until the T-Wave ion guide is
immersed completely.
4. Place the glass vessel in the ultrasonic bath for 30 minutes.
Caution:
• To avoid recontaminating the T-Wave ion guide, wear clean,
chemical-resistant, powder-free gloves for the rest of this
procedure.
• Do not dry the T-Wave ion guide by any method other than
blow drying. Otherwise, reintroduced contamination can
create difficulty pumping down (evacuating) the instrument.
5. Carefully remove the T-Wave ion guide from the glass vessel.
6. Blow-dry the T-Wave ion guide with inert, oil-free gas.
Use only glassware not previously cleaned with
The T-Wave ion guide can be contaminated with
Cleaning the source T-Wave ion guide assembly 5-53