vario MICRO cube

vario MICRO cube analyses CHNOS in micro samples
Micro scale CHNOS analysis

Choose the vario Micro Cube Analyzer when you need multiple elements from a very small sample. This small footprint analyzer needs less than 1 mg of sample for simultaneous carbon, nitrogen, hydrogen and sulfur analysis. Or customize your analyzer for combinations of CNS, CHN, CN, O or Cl.

Customers with limited or precious samples will appreciate the sensitivity of the Vario Micro Cube Analyzer. Limit of detection using a thermal conductivity detector is less than 100 ppm.

elementar’s patented thermal adsorption/desorption column separates combustion gases so there’s no peak overlap. Often difficult to separate, sulfur peaks are sharp no matter what the sulfur species.

If the cost of helium as a carrier gas concerns you, the vario Micro Cube Analyzer is available with an argon option.

The vario Micro Cube Analyzer offers the most performance for the lowest price. See our elemental analyzer selector guide for more information.

Features

CHNS, CHN, CNS, CN: all available from the basic unit. Either helium or argon carrier gas are available as standard.

Optional:
S with IR Detection
O with TCD or IR Detection
Cl with Electrochemical detection

Specifications

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 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 (<1mg) to macro (800mg soil) sample weight, depending on requirements up to 20mg organic matter.

Largest dynamic range of element concentrations and element ratio
Up to 7 mg C abs. or 2 mg N abs. (or 100%), from ppm to 100%.

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

Multipoint Calibration
Stable over months and matrix independent.

Instrument Control
With a standard PC for perfect results 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.

One Instrument for all Applications
No expensive special catalysts, easy ash removal from the combustion tube and long lifetime of all components are the basis for a low cost of ownership.

Clean, Safe, Fast
The analysis only takes a few minutes, no aggressive or toxic chemicals are used, Helium carrier gas (Argon possible alternatively).

Easy Installation Requirements
48 x 55 cm benchtop space, 1 power supply (230, 110, 100 V), and two gases are sufficient for maintenance free long time operation.

Options

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

Upgrade Kit for Coupling with IRMS/Isoprime:
The vario Micro cube offers special advantages for the IRMS analysis.
Please contact us directly.

Sample Feeder:
Alternative carousels are available for larger samples with a volume up to 1 cm3.

Upgrade Kit Oxygen:
For upgrading the basic unit to oxygen determination with a pyrolysis temperature of up to 1150°C. Conversion of the bound oxygen to CO and detection with the built in TCD or alternatively with IR technology.

Upgrade Kit Chlorine:
Upgrades the basic instrument to detect chlorine.
Combustion of the sample at 1150°C and detection of the formed HCl with electrochemical sensors.

Capsule Press:
For dosing and gas tight sealing of tin capsules for liquid and sensitive samples.

vario Liquid Sampler, VLS:
The VLS automated sample feeder is used for liquid injections directly into the combustion chamber.

Manual Gas/Liquid Injection:
for the injection of liquid or gaseous samples via a septum free injector port and a micro-syringe.

Sample Former with Pressing Tool:
for the compaction of the wrapped samples and removal of air in soil samples.

Manual Pressing Tool:
For manual compaction of the wrapped sample.

References

Testing protocol ensures the authenticity of organic fertilizers
Fungai N.D. Mukome, Timothy A. Doane, Lucas C.R. Silva, Sanjai J. Parikh, and
William R. Horwath
California Agriculture: October-December 2013, Volume 67, Number 4
http://californiaagriculture.ucanr.edu/landingpage.cfm?article=ca.v067n04p210&fulltext=yesdoi:%2010.3733/ca.v067n04p210

Parts & Consumables

Looking for parts, consumables, and accessories? Visit our online catalog for a complete list.

More Information

Interested in learning more about the vario MICRO cube? Contact us today for personalized service.

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