Waters Xevo TQ MS, Operator And Maintenance Manual, Page: 97 / 184

Cleaning the ion block assembly 4-49
20. Remove the extraction cone handle insulator from the extraction cone
handle.
21. Remove the extraction cone seal from the ion block.
Cleaning the ion block components
Required materials
• Chemical-resistant, powder-free gloves.
• Appropriately sized glass vessels in which to completely immerse
components when cleaning. Use only glassware not previously cleaned
with surfactants.
• HPLC-grade (or better) methanol.
• HPLC-grade (or better) water.
• Formic acid.
• Ultrasonic bath.
• Source of oil-free, inert gas (for example, nitrogen) for drying (air-drying
optional).
• Wash bottle containing HPLC-grade (or better) 1:1 methanol/water.
• Large beaker.
Extraction cone seal