Agilent Technologies Agilent 1260 Infinity System User's Manual page 109

6
Appendix
Solvent Information
Fluorinated polymers (PTFE, PFA, FEP, FFKM)
Fluorinated polymers like PTFE (polytetrafluorethylene), PFA
(perfluoroalkoxy) and FEP (fluorinated ethylene propylene) are inert to
almost all common acids, bases, and solvents. FFKM is perfluorinated
rubber, which is also resistant to most chemicals. As an elastomer, it may
swell in some organic solvents like halogenated hydrocarbons.
TFE/PDD copolymer tubings, which are used in all Agilent degassers
except G1322A, are not compatible with fluorinated solvents like Freon,
Fluorinert, or Vertrel. They have limited life time in the presence of
Hexafluoroisopropanol (HFIP). To ensure the longest possible life with
HFIP, it is best to dedicate a particular chamber to this solvent, not to
switch solvents, and not to let dry out the chamber. For optimizing the life
of the pressure sensor, do not leave HFIP in the chamber when the unit is
off.
Sapphire, Ruby and Al O -based ceramics
2 3
Sapphire, ruby and ceramics based on aluminum oxide Al O are inert to
2 3
almost all common acids, bases and solvents. There are no documented
incompatibilities for HPLC applications.
1260 Infinity Binary LC - System User Guide 109