Thermo Scientific Dionex UltiMate 3000 Series Operating Instructions Manual page 36

UltiMate 3000 Series:
SRD-3x00 Solvent Racks
• In an UltiMate 3000 system, some components are made of PEEK. This polymer has
superb chemical resistance to most organic solvents. However, it tends to swell when in
contact with trichlormethane (CHCl
(THF). In addition, it is attacked by concentrated acids, such as, sulfuric acid and nitric
acid or a mixture of hexane, ethyl acetate, and methanol. In both cases, capillaries may
start leaking or they can burst. Swelling or attack by concentrated acids is not a problem
with brief flushing procedures.
• Before switching from buffer to organic solution, rinse the system thoroughly with
deionized water.
• When switching to another solvent, ensure that the new solvent is miscible with the one
contained in the system. Otherwise, for example, the pump can be damaged by
flocculation.
• After operation, rinse out buffers and solutions that form peroxides.
Important:
Important:
Page 30
), dimethyl sulfoxide (DMSO), or tetrahydrofuran
3
Neither recycle the solvent nor use methanol from aluminum
reservoirs. This may impair the performance of the seals.
Thermo Fisher Scientific déconseille de recycler les solvants. Ceci
peut nuire aux performances des joints.
Operating Instructions