Vario MICRO cube (CHNS)

Vario MICRO cube (CHNS)

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The definition of elemental micro analysis

The modern “cube” platform is setting the standards for elemental analyzers. Outstanding instrument design and intelligent engineering in combination with 110 years experience in the development of elemental micro-analyzers lead to unmatched precision of your analysis. Less than 1 mg pharmaceuticals can be analyzed just as precise as 500 mg soil samples. Volatile gasoline or temperature-proof silicon carbide can be analyzed just like coal, foodstuff or sewage sludge – without restriction of the elements, simultaneously for CHNS or for the combinations CNS, CHN, CN, O and Cl.

Universality and analytic performance of the vario MICRO cube are unmatched in this instrument class.


CHNS, CHN, CNS, CN: all available from the basic unit. Optional detection of oxygen (with TCD or IR) and chlorine

High temperature combustion
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 requirements up to 20 mg organic matter

Largest dynamic range of element concentrations and element ratio
up to 7 mg C abs. or 10 mg N abs. (or 100%, depending on analysis mode and sample matrix), from ppm to 100%

Temperature programmed Desorption (TPD)
Separation of gaseous components with one TPD column for perfect separation without peak overlap. Automated optimization of the time per analysis

Multipoint calibration
stable over months and matrix independent

Instrument control
with a standard PC for perfect results also for unknown or heavily variable sample matrices with integrated sample feeder for 120 samples, 21 CFR part 11 functionality available. Possibility for remote service due to full digitalization of the instrument electronics


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