Description

The Thermo Scientific™ Dionex™ Aquion™ RFIC™ Reagent-Free™ Ion Chromatography (IC) system provides a high-performance foundation for ion chromatography analysis in a compact platform with the straightforward operation needed for budget-limited laboratories. By fully integrating eluent generation (RFIC-EG) technology the Dionex Aquion RFIC system uses proven and reliable technologies to deliver results you can count on. The system is designed for ease of use, providing fast start-up times and reliable, stable performance for demanding applications in environmental, food safety, and academic laboratories. In addition, it is compatible with all Dionex suppressor technologies and column formats from 2 mm to 5 mm.

The Dionex Aquion HPIC System performs ion analyses using suppressed or non-suppressed conductivity detection. An ion chromatography system typically consists of a liquid eluent, a high-pressure pump, a sample injector, a guard and separator column, a chemical suppressor, a conductivity cell, and a data collection system.

Before running a sample, the ion chromatography system is calibrated using a standard solution. By comparing the data obtained from a sample to that obtained from the known standard, sample ions can be identified and quantitated. The data collection system, typically a computer running chromatography software, produces a chromatogram (a plot of the detector output vs. time). The chromatography software converts each peak in the chromatogram to a sample concentration and produces a printout of the results. The Ion Chromatography components consist of :

ELECTROLYTIC SUPPRESSION

The Dionex Aquion RFIC system supports all types of Dionex suppression technologies for standard bore and microbore column formats, including MMS and ERS electrolytic suppressors, eliminating manual regenerant preparation. Among the advantages of electrolytic suppression are fast startup times, superior sensitivity for both cation and anion analysis, reduced background conductivity and enhanced day-to-day consistency.

CONDUCTIVITY DETECTION

The Dionex Aquion HPIC system is designed and optimized for applications using conductivity detection. The temperature-controlled, high-performance conductivity cell is unaffected by ambient temperature variations. In addition, digital control offers a wide dynamic range for detecting analytes with large concentration variations within the same sample.

ELUENT GENERATION

The RFIC-EG electrolytically generates high-purity eluents on-line, ensuring perfectly consistent performance day to day, lab to lab, and operator to operator. With eluent generation, gradient separations can be as easy as isocratic applications. High purity eluents are generated from deionized (DI) water using the Thermo Scientific™ Dionex™ EGC Eluent Generator Cartridge and then polished of contaminants using one of the Thermo Scientific™ Dionex™ CR-TC Continuously Regenerating Trap Columns. This line of trap columns removes contaminants, thereby eliminating trace ionic impurities, such as carbonate, from the eluent stream. Control, status, and diagnostics are provided with the Chromeleon CDS software. Compared to manual eluent preparation RFIC-EG provides superior results by preventing baseline shift, increasing sensitivity, improving resolution, and ensuring consistent peak integration. It also makes your system more reliable.

SOFTWARE CHROMELEON

Chromeleon Chromatography Data System (CDS) software provides the most powerful control and data processing available for ion chromatography. The features of the Chromeleon CDS software make system control and setup fast and easy. Overall system and method consistency is accomplished with minimal effort using easy-to-follow screens and setup wizards.

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