The space saving Integra analysers have been designed to be the workhorses for ¹³C and ¹⁵N analysis. These instruments have a pedigree that goes back to the world’s first bench-top isotope ratio mass spectrometer that was introduced by Europa Scientific in 1986. The Integra systems bring EA-IRMS into the 21st Century by joining the mass spectrometer and sample preparation unit into one functional instrument. These instruments provide simplicity of operation, ease of maintenance and performance on a budget.

Based on the high performance 20-20 stable isotope analyser and ANCA-SL sample preparation module the Integra-CN is a fully integrated combustion, purification and measurement system for ¹⁵N and ¹³C.

The novel 120° ion optics of the Integra’s analyser came out of a design study to find the best geometry for continuous flow use and to improve sensitivity for new applications. True stigmatic focusing results in high sensitivity. Novel ion optical design results in an instrument having high dispersion with a short ion path length.

During operation, a capsule containing the sample falls into the combustion tube and is converted in the presence of oxygen to CO₂, N₂, NO_x and H₂O. An elemental copper stage reduces NO_x, a MgClO₄ trap removes water vapour, a switchable Carbosorb trap can be used to remove CO₂ (for ¹⁵N only analyses) and a GC column separates CO₂ from N₂ (allowing dual isotope analysis). Organic ¹⁸O analysis can be made by possible by changing to pyrolysis chemistry and analysing CO.

Precision:
All specifications are for n=5 samples. ( * denotes amount of element per capsule)

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