6.7 Cleaning
R
egular cleaning
Regular cleaning of BPG columns is essential for reliable results. It is important that the
column is kept free from contamination such as microbiological growth and adsorbed
proteins.
Precautions
WARNING
EXPLOSION HAZARD! If cleaning the column in a potentially
explosive atmosphere, prevent static electric charges building up.
Do not rub excessively using a dry cloth and over large areas at a
time. Instead, clean the column using a damp cloth with slow
movements across small areas at a time.
NOTICE
C
leaning. Keep the exterior of the instrument dry and clean. Wipe
regularly with a soft damp tissue and, if necessary, a mild cleaning
agent. Let the instrument dry completely before use.
NOTICE
M
ake sure that any water is WFI, since particles can block and
damage the nets.
NOTICE
D
o not leave O-rings or seals in hot water for longer than the time
period recommended in Cytiva product documentation.
Cleaning agents
A
ll column parts can be cleaned with the most commonly used agents, such as deter-
gents, ethanol, weak acids, sodium hydroxide and high salt concentrations. For special
cleaning agents, please refer to Section 8.2 Chemical resistance, on page 132.
In time, even electropolished 316L stainless steel may show signs of corrosion, espe-
cially if it is in frequent contact with high salt concentrations. Should this occur, repas-
sivation of steel components is recommended and should correct the problem.
6 Maintenance
6.7 Cleaning
BPG Columns Operating Instructions 29193223 AB 115
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