Vario EL cube (CHNS+O+Cl analysis)

Vario EL cube (CHNS+O+Cl analysis)

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Designed as the successor of the most successful elemental analyzer, vario EL III, the vario EL cube is again the most versatile instrument in CHNS+O+Cl analysis.
Based on the “cube” platform it represents a thousand-fold proven method using latest manufacturing technology and intelligent engineering in the user interest. The established purge&trap chromatography guarantees baseline separation under all circumstances for all kinds of samples. From pharmaceutical to soil analysis, from sediment research to the analysis of food stuff – the vario EL cube just does it. 24 hours per day, 365 days per year.

The high-end solution for all applications:

  • no-compromise micro analysis of samples in the lower microgram range
  • semi-macro analysis for CHNS up to 1 g soil analysis
  • full digitalization for highest degree of automation
  • market leading precision
  • 10 years warranty on furnace and detector


High temperature combustion unit
quantitative sample digestion at up to 1200 °C – with ten years furnace warranty (1800 °C at the point of combustion when tin foil is used). This is the prerequisite for 100% recovery also with samples difficult to combust. Jet injection of oxygen directly to the sample leads to highest oxygen concentrations at the point of combustion and low gas consumption

Largest weighing range 
from micro (<1 mg) to macro (800 mg soil) sample weight, depending on requirenemtns up to 20 mg organic matter

Largest dynamic range of element concentrations and element ratio
up to 40 mg C abs. or 15 mg N abs. (or 100%), from ppm to 100%

Purge&trap Chromatography
Separation of gaseous components on up to three specific columns for perfect separation without overlap and automatic optimization of the analysis time

Multipoint calibration
stable over months and matrix independent


Electronic micro balance:
balance and elemental analyzer form a system. We offer micro balances and analytical balances from the leading manufacturers with our instruments.

For coupling with IRMS/Isoprime:
please refer to the vario EL cubes sister instrument, the vario ISOTOPE cube. This instrument is especially optimized for the use with IRMS instruments.

Sample feeder:
alternative carousels are available for larger samples with a volume up to 1 cm3


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