Our new inert LC column technology helps labs improve their analysis of metal-sensitive compounds. A premium inert coating applied to the stainless-steel surface of our LC columns reduces nonspecific binding of chelating analytes, enabling sensitive analysis and smooth integration of peaks. Combined with Restek’s selective stationary phases, these new inert LC columns are ideal for the analysis of metal-sensitive compounds, such as mycotoxins.
Stationary Phase Category: Phenyl (L11)
Ligand Type: Biphenyl
Particle: 1.8 µm; 2.7 µm; or 5 µm superficially porous particle (SPP or “core-shell” particle) silica
Pore Size: 90 Å
Carbon Load: 7% (1.8 µm or 2.7 µm), 5% (5 µm)
End-Cap: yes
Surface Area: 125 m2/g (1.8 µm); 130 m2/g (2.7 µm); or 100 m2/g (5 µm)
Recommended Usage:
pH Range: 2.0 to 8.0
Maximum Temperature: 80 °C
Maximum Pressure: 1034 bar/15,000 psi* (1.8 ?m); 600 bar/8700 psi (2.7 ?m); 400 bar/5800 psi (5 ?m)
* For maximum lifetime, recommended maximum pressure for 1.8 ?m particles is 830 bar/12,000 psi.
Properties:
- Increased retention for dipolar, unsaturated, or conjugated solutes.
- Enhanced selectivity when used with methanolic mobile phase.
- Ideal for increasing sensitivity and selectivity in LC-MS analyses.
When to switch to a Biphenyl column:
- Limited selectivity is observed on a C18.
- You need to increase retention of hydrophilic aromatics.
Features & Benefits
- Inert LC column technology reduces nonspecific binding of chelating analytes, enabling sensitive analysis and smooth integration of peaks.
- Ideal for the analysis of metal-sensitive compounds, such as mycotoxins.
- Increased response and analyte recovery, allowing lower detection limits.
- Improved peak shape without passivation or mobile phase additives.
- Part of Restek’s Raptor Biphenyl column line featuring 1.8, 2.7, and 5 µm SPP core-shell silica.
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