For reproducible, quantitative determinations in low-ionic-strength samples, activate these cartridges by adding NaCl or other sodium salt. Samples treated with NaCl should be passed through an On-Guard II Ag cartridge to remove the added chloride, then passed through an OnGuard II H cartridge or MetPac™ CC-1 chelating column to remove residual silver counter ions.

Solve Tough Application Problems

• Boost sensitivity, lower baselines, and get better separations
• Achieve reproducible trace-level determinations in concentrated matrices
• Increase the lifetime of your analytical columns
• Use for a wide range of matrices thanks to wide pH stability
• Supports applications with choice of 1cc and 2.5cc formats, as well as syringe barrel format for robotic processing (custom order)

Easy-to-Use, Leak-Free

• Leak-free, no-channeling cartridge
• Quick, secure Luer inlet connections

Performance Guaranteed

• Ships with a Certificate of Analysis that verifies capacity, performance and cleanliness

Pretreat 12 Samples Simultaneously

• Use the optional Dionex OnGuard Sample Prep Station and OnGuard Sample Pretreatment Cartridges