2 • EG Description
Doc. 065031-04 1/08 35
Continuously Regenerated Trap Column (CR-TC)
The CR-TC is a high pressure, electrolytically-regenerated trap column. The CR-
TC is designed to remove anionic or cationic contaminants in the eluent or
deionized water and to reduce drift during gradient separations. Two versions of
the CR-TC can be used with the EG:
• CR-ATC (Continuously Regenerated Anion Trap Column, P/N 060477)
• CR-CTC (Continuously Regenerated Cation Trap Column, P/N 060478)
For more information, refer to the CR-TC manual. The manual is included on the
Dionex Reference Library CD-ROM (P/N 053891).
NOTE Do not install a CR-TC in the same channel as an EGC
K
2
CO
3
EluGen Cartridge or an EPM Electrolytic pH
Modifier.
NOTE The IonPac
® ATC-HC Trap Column (P/N 059604) or
IonPac CTC-1 Trap Column (P/N 040192) may be used
with the EG. However, both IonPac trap columns
require off-line chemical regeneration. Contact Dionex
for more information.
EPM Electrolytic pH Modifier and EGC-CO
3
Mixer
The EGC II K
2
CO
3
EluGen Cartridge can be used with an EPM Electrolytic pH
Modifier (P/N 063175) and an EGC-CO
3
Mixer (P/N 061686) to produce a
carbonate/bicarbonate mixture for use with anion exchange separations on
carbonate-based IonPac columns.
After the cartridge generates potassium carbonate eluent, the EPM adjusts the
eluent concentration to produce the carbonate/bicarbonate mixture. The EGC-
CO
3
Mixer provides mixing necessary to produce a homogenous solution of
electrolytically-generated K
2
CO
3
and KHCO
3
eluent.
For more information about these products, refer to the EluGen cartridge manual.
Cartridge manuals are included on the Dionex Reference Library CD-ROM
(P/N 053891).
Leak Sensor
If liquid collects in the drip tray in the bottom of the EG, a leak sensor reports the
leak to Chromeleon or Chromeleon Xpress, and an error message is displayed in
the Audit Trail. In addition, the
Alarm LED on the EG front panel lights.
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