ELEMENTRAC CN-r is the ideal solution for high-throughput laboratories that need fast and reliable determination of nitrogen, protein and carbon. This analytical method, known as Dumas analysis or Dumas method, is a proven alternative to the traditional Kjeldahl method for the determination of total nitrogen and protein by combustion of the sample.

Modern hardware and an integrated PC with touch screen allow the operator to monitor the process and control all parameters. The compact design of the ELEMENTRAC CN-r saves space in the laboratory. The use of non-aggressive chemicals ensures higher work safety compared to the Kjeldahl method.

Typical samples for Dumas combustion analyzers are natural products with different compositions. The ELEMENTRAC CN-r ensures a complete combustion analysis of all samples thanks to the use of a pure oxygen atmosphere during the process. In combination with the high-efficiency, chromium-free catalyst, all components are completely oxidized. This prevents the formation of soot and liquid tin, contributing to stable and accurate results. In addition, the excess oxygen during combustion in ELEMENTRAC CN-r significantly simplifies method optimization.

The innovative sampler in ELEMENTRAC CN-r ensures clear identification of samples, preventing mix-ups even in a busy laboratory environment and making it easier to handle large numbers of samples.