Waters Ultrahydrogel Columns - Manual (Page 5)

[ Care and Use ManUal ]
Ultrahydrogel Columns 5
LC system, allows the operator to perform maintenance procedures
to restore system efficiency with minimal downtime.
Iv. Column storage
a. Short Term (Several Days)
• If the solvent does not contain buffers or other harmful salts,
(e.g. halogens), remove the column from the system and seal
both ends with the end cap fittings provided.
• If the solvent does contain buffers, etc., rinse the column with
distilled water, remove the column from the system and seal
with the end cap fittings provided.
• Store at room temperature.
• Avoid direct sunlight.
• Keep away from corrosive gases.
b. Long Term (More than three days)
• Replace the solvent with distilled water. Remove the column
from the system and seal both ends with the end cap fittings
provided.
• Adding sodium azide (0.05%) to the water is recommended for
storage periods of 72 hours or more.
• Store at room temperature.
• Avoid direct sunlight.
• Keep away from corrosive gases.
CAUTION: DO NOT SUBjECT ULTRAHYDROGEL COLUMNS TO
TEMPERATURES BELOW 10 °C.
v. warrant y
Waters Corporation warrants its high performance liquid
chromatography columns in accordance with the following terms
and conditions:
Waters will repack or replace (at our discretion) without cost any
column that fails to perform satisfactorily if notified within 90 days
from your receipt of a steel column. Any column that is returned
must have a Return Authorization Number granted by the Waters
Customer Service Department. Approval is subject to the following
exclusions:
• Physical damage to the column because of misuse or abuse.
• Chemical damage to the packing material because of use with
incompatible solvents or buffers, or at an incor¬rect pH.
• Physical damage to the packing material because of operation at
incorrect temperatures or pressures.
• Particulate buildup or precipitation in the column or end fittings
causing high internal pressure which has occurred because of
improper solvent or sample filtration practices.
vI. orderIng InformatIon
Item Part Number
Ultrahydrogel 120 WAT011520
Ultrahydrogel 250 WAT011525
Ultrahydrogel 500 WAT011530
Ultrahydrogel 1000 WAT011535
Ultrahydrogel 2000 WAT011540
Ultrahydrogel Linear WAT011545
Ultrahydrogel DP WAT011550
Guard Columns
Ultrahydrogel
(for Ultrahydrogel 120 - 2000 and Linear) WAT011565
Ultrahydrogel DP (for Ultrahydrogel DP) WAT011570