for a wide range of sample weights, from solid to liquid samples, with options for δ¹⁸O and δ²H determination

even for analysis of very low sulfur contents in high carbon samples (e.g. tree rings)

Outstanding sample flexibility thanks to Advanced Purge and Trap Technology

The vario ISOTOPE cube enables the analysis of samples with weights in the low microgram as well as in the gram range, offering outstanding flexibility in your application. This is possible thanks to our Advanced Purge and Trap (APT) technology which creates a large dynamic measurement range. In addition, the analyzer can be easily retrofitted with an optional liquid autosampler for high-throughput liquid sample analysis. For even more flexibility in your analyses, optional conversion kits for δ¹⁸O and δ²H determination allow upgrading the instrument at any time. For the analysis of hydrogen isotope ratios in water, we recommend adding the optional Chrome HD kit for best results.

Excellent peak shapes and separation thanks to Advanced Purge and Trap Technology

The vario ISOTOPE cube elemental analyzer inlet delivers excellent peak shapes and full peak separation in simultaneous NCS analysis mode in less than nine minutes. This is achieved thanks to our Advanced Purge and Trap (APT) technology which provides market-leading precision and accuracy across a broad range of applications. This enables the detection of very low sulfur contents in a high carbon sample matrix, making it the ideal instrument for applications like tree ring analysis.

Precise oxygen analysis thanks to full baseline separation

Oxygen determination is one of the optional features which the vario ISOTOPE cube offers. δ¹⁸O analysis of samples which contain nitrogen can be difficult, since N₂ isobarically interferes with CO₂. With the vario ISOTOPE cube, you can be sure to always receive reliable results thanks to the unrivalled baseline separation of CO₂ and N₂ during δ¹⁸O analysis. This is achieved through the APT technology with column backflushing, which completely removes the N₂ interferences and gives superior analytical precision in δ¹⁸O analysis.

High operating comfort through design

Equipped with an 80 position autosampler, which is reloadable at any time, the vario ISOTOPE cube is designed for unattended 24/7 analysis and high sample throughput. Its big ash finger and separate combustion and reduction tubes result in extremely low maintenance, ensuring highest system uptime. Whenever maintenance is necessary though, our user-friendly clamp connections ensure a tool-free experience, while the slide-out furnace guarantees easy accessibility and a comfortable working posture.