Broad peak shape with Alliance HPLC System - WKB88620
Article number: 88620
SYMPTOMS
- Peak shape approximately twice as broad, 60% sensitivity
- Static leak test, valve leak tests, adjust seals and compression check pass
ENVIRONMENT
- Alliance HPLC System
- 2695 Separations Module
CAUSE
Pre-column tubing is damaged
FIX or WORKAROUND
Replace the pre-column tubing.
or
Using a tubing cutter, cut the tubing back and replace the compression screw and ferrule.
ADDITIONAL INFORMATION
WAT025313 - Compression screw
WAT022330 - Ferrule
WAT026973 - 0.009 x 1/16 x 10 ft SS tubing