Posted in | Biomaterials

Exeter Analytical Model 440 Elemental Analyser - Precise Tool for the Biomass Industry

Exeter Analytical reports that its Model 440 Elemental Analyser provides a fast and precise analytical tool for the biomass industry.

Identifying a particular tree, crop, grass, or algae with the chemical composition to make it an optimal biofuel candidate has traditionally been laborious and painstaking. The Exeter Analytical Model 440 Elemental Analyser can analyse a sample in as little as 6 minutes to provide precise percentage Carbon (C), Hydrogen (H) and Nitrogen (N) data. Using the percentage Hydrogen data enables easy calculation of the biomass sample gross or net calorific value.

With increasing global interest in 'Carbon Trading' the determination of percentage carbon provides accurate data to enable organisations (or countries) to buy and sell carbon permits as part of a programme to reduce carbon emissions. The determination of the Nitrogen content of biomass samples using a Model 440 saves considerable time and cost with no diminishment of data quality compared with the traditional Kjeldahl nitrogen determination method.

The Model 440 is a static combustion CHN Elemental Analyser, with a unique horizontal furnace design, which enables easy removal of sample residue between each biomass analysis. Consequently one combustion tube will analyse in excess of 1000 biomass samples without the need for removal and cleaning. By comparison other elemental analysers, employing vertical furnace designs, will require cleaning after as little as 20 samples. The gas flow characteristics of the Model 440 analyser are superior to other elemental analysers due to the effective elimination of troublesome residue build-up. This thereby provides longer-term calibration stability as well as enhanced accuracy and precision for measured biomass sample data.

Image credits: Exeter Analytical.

In addition, as the Model 440 provides complete control over combustion parameters it is able to reproducibly achieve 100% combustion with the widest range of biomass samples. Proprietary Nitrogen analysis software uniquely enables accurate measurement of low Nitrogen levels (in the 0.1-0.2% range) with a high degree of accuracy.

Exeter Analytical is a company that has been dedicated to elemental microanalysis for over 25 years. Our expertise and experience with instruments, consumables and supplies has allowed us to better understand all issues facing microanalysts.  As a consequence, whether you are a regular or an occasional purchaser, experienced and knowledgeable staff is always available to provide technical advice.  

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