The document introduces Varian's Focus™ Enhanced Polar Recovery, a solid-phase extraction device for extracting analytes from a wide range of matrices. Focus™ uses unique polar-enhanced sorbent technology with multiple retention mechanisms to deliver improved recovery, cleaner extracts, and reduced LC/MS/MS ion-suppression.
This document provides instructions for use for the Agilent FOCUS Enhanced Polar Recovery, a solid-phase extraction device designed to extract analytes from diverse matrices. It utilizes unique polar-enhanced sorbent technology to improve recovery and reduce ion suppression.
The guide lists available cartridge configurations (10 mg/1 mL, 20 mg/3 mL, and 50 mg/6 mL) with their respective part numbers. It details standard protocols for very polar bases, very polar acids, and neutrals, including specific pretreatment conditions and elution solvents.
| Cartridge Volume (10 mg) | 1 mL |
|---|---|
| Cartridge Volume (20 mg) | 3 mL |
| Cartridge Volume (50 mg) | 6 mL |
It is a solid-phase extraction device designed to extract analytes from a wide range of matrices.
The available cartridges include 10 mg in 1 mL (PN: A5106010), 20 mg in 3 mL (PN: A5306021), and 50 mg in 6 mL (PN: A5606050).
Rinses of up to 20% acetonitrile can be used to improve extract cleanliness.