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Elementar - Model UNICUBE® -CHNOS Elemental Analyzer
Meet the workhorse in elemental analysis: the UNICUBE, designed for simultaneous carbon, hydrogen, nitrogen, and sulfur analysis in solid and liquid samples, ranging from 0.1 mg chemical substance to 15 mg of liquid fuel to 1 g of inhomogeneous soil. This elemental analyzer combines the low operating costs and the high sensitivity of a micro elemental analyzer with the dynamic measurement range of a macro analyzer. In addition, the analyzer offers options for oxygen and chlorine determination and is designed for highest system uptime thanks to its low-maintenance design. Because of its high level of automation and low noise level, the UNICUBE is especially pleasant to work with.- Great sample flexibility for a wide range of elemental concentrations and sample weights, with options for oxygen and chlorine analysis
- Reliable, matrix-independent results even for samples that are traditionally difficult to combust
- Outstanding hydrogen and sulfur measurement capabilities including simultaneous CHNS analysis even for sub-µg sulfur concentrations
- High system uptime thanks to low-maintenance design
The UNICUBE is optimized for the analysis of:
CHNS
CHN
CNS
CN
O*
Cl*
* optionally available
Weighing range
Large weighing range spanning from micro (< 1 mg) to macro (around 1 g of soil) applications and up to 15 mg of organic matter.
Element concentration range
Large dynamic concentration range:
C: Up to 14 mg absolute or 0 - 100 % (0 - 50 mg in CN mode*)
H: Up to 2 mg absolute or 0 - 100 %
N: Up to 10 mg absolute or 0 - 100 %
S: Up to 3 mg absolute or 0 - 100 %
O*: Up to 6 mg absolute or 0 - 100 %
Cl*: Up to 1.2 mg absolute or 0 - 100 %
Precision
< 0.1 % absolute (homogeneous substance), depending on sample type, analysis mode, and configuration
Analysis time
≥ 7 min for simultaneous CHNS determination, self-optimizing depending on element content and sample weight. Depending on sample type, analysis mode, and configuration.
* optionally available
High-temperature combustion unit:
Complete sample digestion at up to 1,200 °C (or 1,800 °C at the point of combustion when tin foil is used) with a ten-year furnace warranty. A jet injection of oxygen directly to the sample leads to the highest oxygen concentrations at the point of combustion, as well as low gas consumption. 100 % recovery is guaranteed even for samples, that are traditionally hard to combust.
Purge and trap chromatography:
Separation of gaseous components via our TPD column. This column releases individual gases at different temperatures. The release of a gas is only initiated when the prior gas peak has reached baseline. This results in perfect peak separation without overlap, and automatic optimization of the analysis time.
Detector
- Thermal Conductivity Detector (TCD)
- Infrared (IR) Detector* for sulfur and oxygen
- Electrochemical Detector* for chlorine
Sample introduction
Integrated 60*, 80*, 120, or 240* positions autosampler (for solids and liquids in capsules), reloadable during analysis
Integrated 2 ml vial, 50 positions liquid autosampler with rinse and waste vial*, reloadable during analysis
Maximum furnace temperature
1,200 ° C (whereby 1,800 °C is briefly reached at the combustion point when using tin foil)
Instrument control
Windows® based UNICUBE® operating software with LIMS integration and auto sleep and wake-up function for automated and unattended overnight operation. 21 CFR Part 11 functionality available.*
Required gases
Helium or argon and oxygen
Dimensions
48 x 55 x 57 cm (W x D x H)
* optionally available