Waters XSelect HSS XP 2.5 µm Columns - Manual (Page 8)

XSelect HSS XP 2.5 µm Columns 8
[ CARE AND USE MANUAL ]
c. Manufacturing
The eCord provides the user with the Batch Certificate of Analysis and
Performance Test Chromatogram.
Figure 7: Manufacturing results stored on an eCord.
d. Column Use
The eCord Intelligent Chip provides the user with specific column
information as well as column use data including: chemistry type,
column dimension, serial number and part number. The overall
column use information includes: total number of samples injected,
total number of injections as well as the maximum pressure and
temperature that the column has been exposed to. Additionally,
detailed column history includes the sample set start date, user name
and system name.
Figure 8: Column use information.
VI. ADDITIONAL INFORMATION
a. Tips for Maximizing XSelect HSS XP 2.5 µm
Column Lifetime
1. To maximize XP 2.5 µm Column lifetime, pay close attention to:
 Water quality (including water purification systems).
 Solvent quality.
 Mobile-phase preparation, storage and age.
 Sample, buffer and mobile-phase solubilities.
 Sample quality and preparation.
2. When problems arise, systematically troubleshoot potential causes one
variable at a time in a systematic fashion.