WATERS CORPORATION TQ, Operator'S Manual, Page: 190 / 192

C Materials of Construction and Compliant Solvents
190 December 6, 2012, 71500126802IVD Rev. C
Preventing contamination
For information on preventing contamination, refer to Controlling
Contamination in LC/MS Systems (part number 715001307). You can find
this document on http://www.waters.com.
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 normally used with these items. See page 191 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 Aluminium
Gas tubes Fluorinated ethylene propylene
Ion block Stainless steel
Ion block support PEEK
Isolation valve Gold-plated aluminium/bronze
O-rings
Viton
®
or PTFE-encapsulated Viton
Probe adjuster bellows PTFE/Viton
Probe adjuster assembly Anodized aluminium, glass filled
acetal, and stainless steel
Probe shaft PEEK
Push-in gas fittings Nickel/brass
Solvent waste/leak management Tygon tubing
Source enclosure Alochromed aluminium