Extra Low Bleed
- Unique, low polarity si-arylene column
- Engineered specifically for use with bleed sensitive detectors such as MS
- Provides alternate selectivity to standard 5-type phases
- Often used for confirmation of pesticides, PCBs, or other environmental samples
- Good tool for sample screening to identify unknown contaminants
Recommended Use
- Herbicides / Insecticides, PCBs, Pesticides , Unknown Samples
Phenomenex: Zebron ZB-XLB
Upgrade to Zebron from these similar* phases:
Agilent®
- DB®-XLB
- VF-XMS
Restek®
- Rxi®-XLB
- Rtx®-XLB
Supelco®
- MDN-12
*not exact equivalent, selectivity may differ


