Bulk density is defined as the mass of many particles of a material divided by the total volume they occupy. This total volume will include the volume of the particles, the inter-particle void volume, and the internal pore volume. The bulk density is an important parameter for fuel deliveries on volume basis, and together with the net calorific value, it determines the energy density. It also facilitates the estimation of space requirements for transport and storage.
At Celignis we determine the bulk density of biomass according to ISO standard 17828 (2015). We use a 5 litre container (certified according to EN 10204-3.1) into which the biomass sample (powder, chips etc.) is poured from a fixed height. The container is then subjected to a defined shock exposure. This leads to a volume reduction through the settling of the material. The container is then refilled so that its whole volume is occupied and any surplus material beyond the boundary of the top of the container is removed by using a scantling. The filled container is then weighed and the weight of the container subtracted from this value to give the total weight of the biomass. The bulk density (kg/m3), on an as-received basis, is then calculated by dividing this weight by the internal volume of the container.
If you would like to determine the bulk density on a dry basis, please select an analysis package to determine the moisture content of the sample, and then we can use this to as a correction factor to be applied to the as-received bulk density.
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We are proud to announce the launch of Celignis InSightAI, a powerful artificial intelligence (AI) tool developed by Celignis and integrated with the Celignis Database. It functions as a highly-customised chatbot, focused on providing insights and conclusions from the data displayed on the page. Once launched, and authorised by the user, it has access to the results presented on the Database page and the user can ask it questions about those results.
A 30-second video outlining some of its functionality is provided below.
We're delighted to announce that today marks the official launch date of Celignis USA. This latest development in the extension of the Celignis family will offer all of Celignis's services to US-based clients. The 10,000 sq. ft facility is located in Waterloo, Iowa and leverages Celignis's 11 years of expertise in the bioeconomy.
Click here to read more about Celignis USA and our history leading to this point.

We currently offer over 150 analysis packages, covering close to 400 different analytes. We have been proud to provide data to a diverse array of clients over the years, including many from research institutions. A recent literature search found a large number of peer-reviewed articles citing data provided by Celignis. These papers cover our
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