Remove transition metals and for matrix elimination of alkali and alkaline earth metals to improve ion chromatography (IC) performance and facilitate low-level ion analysis. Thermo Scientific™ Dionex™ OnGuard™ II M Cartridges are an off-line sample preparation technique that uses an iminodiacetate resin in the ammonium form that's ready to use without lengthy preparation. Use them singly or in series, or pretreat up to 12 samples in parallel using the optional Dionex OnGuard Sample Prep Station.
Boost sensitivity, lower baselines, and get better separations by removing phenolics, metals, cations, anions, hydrophobic substances, and more
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)
Leak-free, no-channeling cartridge
Quick, secure Luer inlet connections
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
Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.