IC Sample Preparation Solution
Remove interfering substances from your sample for ion chromatography analysis need to remove matrix interferences such as phenolics, metals, cations, anions, or hydrophobic substances that interfere with your ion chromatography (IC) applications? Here is an array of automated (inline) and benchtop (offline) solutions. These solutions contain resins that are specific for removing the substance interfering with your ion chromatography analysis.
Dionex Guardcap Vial Caps
Thermo Scientific Dionex Guardcap Vial Caps work with 5mL Dionex PolyVials in the Dionex AS-DV autosampler to provide an automated inline sample preparation and filtration solution. The Dionex AS-DV holds 50 vials that can be sampled in any order, and programmed to take multiple samples from each vial. The vial design eliminates the need for an external sampling pump. Three versions of the vial caps are currently available:
Thermo Scientific Dionex Guardcap H vial caps are embedded with Dionex OnGuard H resin to automatically remove alkaline earth and transition metals, neutralize high pH samples, and filter particulates.
Thermo Scientific Dionex Guardcap Na vial caps are embedded with Dionex OnGuard Na resin to automatically remove alkaline earth and transition metals and filter particulates without changing the sample pH. Since sample pH remains unchanged, Dionex Guardcap Na vial caps are ideal for treating samples that contain pH-sensitive analytes (e.g., nitrite).
Thermo Scientific Dionex Guardcap HRP vial caps are embedded with hydrophilic reversed phase resin to remove particulates and hydrophobic organic substances including non-ionic surfactants, hydrocarbons, aromatic dyes, and protonated carboxylic acids.
Dionex InGuard Sample Preparation Cartridges
Automatically remove matrix interference for better performance in many IC applications. Installed inline between the IC autosampler and injection valve, these cartridges remove cations (including transition metals), anions, or hydrophobic substances. Thermo Scientific Dionex InGuard Cartridges are available in a versatile selection of resins including Ag, H, Na, HRP and Na/HRP.Â
Dionex OnGuard II Sample Pretreatment Cartridges
Remove matrix interferences encountered in your IC applications offline using these Thermo Scientific Dionex OnGuard II Sample Pretreatment Cartridges. Choose from 12 different resins to remove phenols, metals, cations, anions, or hydrophobic substances. If desired, samples can be processed in parallel using the Dionex OnGuard Sample Prep Station.
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