particle size: 2.7 μm superficially porous silica (SPP or "core-shell")
pore size: 90Å
carbon load: Proprietary
endcap: Proprietary
pH range: 2.0 to 8.0
temperature limit: 80°C

• Proven performance for accurate, reliable ethyl glucuronide (EtG) and ethyl sulfate (EtS) analysis.
• Strong retention consistently resolves analytes from matrix interferences.
• Long column lifetime ensures consistent performance injection after injection.
• Fast, 4-minute, dilute-and-shoot LC-MS/MS analysis supports high sample throughput.