Waters Xevo G2 QTof, Operator'S, Overview And Maintenance Manual, Page: 240 / 248

C-2 Materials of Construction and Compatible Solvents
Preventing contamination
For information on preventing contamination, refer to Controlling
Contamination in UPLC/MS and HPLC/MS Systems (part number
715001307). You can find this document on http://www.waters.com; click
Services and Support > Support.
Items exposed to solvent
The items that appear in the following table can be exposed to solvent. You
must evaluate the safety issues if the solvents used in your application differ
from the solvents typically used with these items. See “Solvents used to
prepare mobile phases” on page C-3 for details about the most common
ingredients used to prepare mobile phases.
Items exposed to solvent:
Item Material
Autotune reservoirs High-density polyethylene
Corona discharge pin mounting
contact
PEEK™
Gas exhaust port Stainless steel
Ion block assembly Stainless steel and PEEK
Ion block screws Gold-plated stainless steel
Ion block support PEEK
Isolation valve Stainless steel and PEEK
O-rings
Viton
®
or PTFE-encapsulated Viton
Probe adjuster bellows Viton
Probe adjuster assembly Anodized aluminium, glass filled
acetal, Xylan
®
, and stainless steel
Probe shaft PEEK
Pumping block Alochromed aluminium and Xylan
Solvent waste/leak management Tygon tubing
Source enclosure Alochromed aluminium
Source enclosure view port Toughened plate glass