Agilent InfinityLab LC Series 1260 Infinity II Isocratic- and Quaternary Pumps User Manual 75
Using the Pump
3
Solvent Information
Bio-inert Valve heads (G4235A, G5631A, G5632A, G5639A) PEEK, ceramic (Al
2
O
3
based)
Bio-inert Connection capillaries Upstream of sample introduction:
• Titanium
Downstream of sample introduction:
• Agilent uses stainless-steel-cladded
PEEK capillaries, which keep the flow
path free of steel and provide
pressure stability up to 600 bar.
Table 1 6 Used Bio-inert materials
Module Materials
To ensure optimum bio-compatibility of your Agilent 1260 Infinity II Bio-inert LC system, do
not include non-inert standard modules or parts to the flow path. Do not use any parts that
are not labeled as Agilent “Bio-inert”. For solvent compatibility of these materials, see
“Material Information” on page 76.