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Tracking carbon: How soil, sediment and water samples are chemically analysed

18:00 - 24:00 o'clock
Max-Planck-Institut für Biogeochemie
Foyer, 1. Etage
Hans-Knöll-Str. 10

Collecting, preparing and analysing different samples - how does that work and with which methods and instruments? At our information stand, we will show you the path from the sample to the result of the chemical elements you are looking for.

For our research on biogeochemical cycles, we need analytical data on the proportions of carbon, nitrogen, hydrogen, sulphur, phosphorus and other elements in soil, soil water or plant growth.

In the RoMA Laboratory for Routine Chemical Measurements & Analyses, for example, the carbon and nitrogen content is determined in a variety of different samples. We are able to determine these elements in soils, sediments, plant litter, plants and rock fragments, as well as in carbonates, charcoal and in other solid materials.

What equipment will be used, how accurate can and must the results be, and what information will we get from them? Stop by and be surprised!

The picture shows how a measuring device is prepared for the elemental analysis of carbon. Through combustion at a temperature of 1100°C, carbon and other elements such as nitrogen and sulphur are released from solid samples. The proportions of the elements in question in the sample are recorded by detecting the gases produced.
Replacement of a reduction tube in the elemental analyser
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