Waters TQ Detector - Cleaning the Ion Block, Isolation Valve, and Extraction Cone

5-40 Maintenance Procedures
19. Remove the extraction cone retainer from the extraction cone.
20. Remove the extraction cone seal from the ion block.
Cleaning the ion block, isolation valve, and extraction cone
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 (nitrogen or helium) for drying (air-drying
optional).
• Wash-bottle containing HPLC-grade, or better, 1:1 methanol/water.
• Large beaker.
TP02614
Extraction cone seal