1260 Infinity Binary Pump User Manual 69
Using the Pump
4
Solvent Information
Solvent Information
Observe the following recommendations on the use of solvents.
• Follow recommendations for avoiding the growth of algae, see “Algae
Growth in HPLC Systems” on page 74
• Small particles can permanently block capillaries and valves. Therefore,
always filter solvents through 0.4 µm filters.
• Avoid or minimize the use of solvents that may corrode parts in the
flow path. Consider specifications for the pH range given for different
materials like flow cells, valve materials etc. and recommendations in
subsequent sections.
Materials in Flow Path
Following materials are used in the flow path of this module:
Tabl e 7 Materials in flow path
Part Materials
SSV PEEK, FFKM
Active inlet valve SST, sapphire, ruby, ceramic, PTFE
Outlet valve SST, gold, ruby, ZrO
2
-based ceramic, tantalum
Adapter SST, gold
Pump head (body) SST
Pistons Sapphire
Piston seals/wash seals PTFE, SST (reversed phase) or UHMW-PE, SST (normal phase)
Pressure sensor SST
Purge valve SST, gold, PTFE, ceramic
Damping unit SST, gold
Capillaries/fittings SST
Tubi ng s PTF E
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