Carin Sjöstedt

I am interested in speciation of metal(loid)s in the environment, both in soil and in water, but also in municipal waste incineration ashes and to biochar. I am specialized in the X-ray spectroscopy techniques bulk-XAS, µ-XRF, and µ-XAS, as well as in geochemical modelling. I am also interested in analytical chemistry. Metal(loid)s that I have studied are aluminium, iron, lead, copper, zinc, arsenic, antimony, chromium, silicon, and molybdenum.

Biochar as a metal trap in soil – mechanisms, modelling and ageing. VR-project (Swedish Research Council). 4 year starting grant for young researchers, project leader. 2021-2025

In the above project I was involved in a sister project: BALANCE - Treatment of low-contaminated soil with biochar produced from organic waste for sustainable resource use and circular economy. Financed by RE:SOURCE. Project leader Anja Enell, SGI.

Development and testing of zero valent iron for in-situ treatment of arsenic contaminated anaerobic groundwater. Financed by TUFFO. Project leader Dan B. Kleja, SLU/SGI.

Geochemical modelling of potential acidification effects on surface water caused by forest biomass extraction (with Stefan Löfgren, Jon Petter Gustafsson, Bengt Olsson, (SLU) and Therese Zetterberg, IVL). Financed by the Swedish Energy Agency. Finished.

Zinc and copper speciation in bottom ash (with project leader Charlotta Tiberg, SGI) Financed by ‘‘Askprogrammet”, managed by Energiforsk (projects 2017-013 and 2018-016) and Avfall Sverige (projects F210 and F216). Finished.

Me, together with Johanna Wetterlind, are responsible for the program Swedish Soil and Crop Inventory

MV0220, Soil chemistry and urban plant bed design, for landscape engineers

MV0192, Soil chemistry for civil engineers

LK0938, Urban plant bed design, landscape architects

Synchrotron X-rays for Environmental Sciences P000112 2025V, 4 credits. PhD-course arranged by Soil Chemistry group, SLU in cooperation with MAXIV in spring 2025. I was one of the main teachers.

Part of the University Reference Group of the Swedish synchtrotron MAXIV, Lund. One of two delegates from SLU, Ramune Kuktaite is the other. MAXIV

Around 20 in international peer reviewed journals. ORCID 0000-0001-6490-1658

Sjöstedt, C., Kristofferson, Å., Gustafsson, J.P., Heldele, A.-S., Kessler, V., Kleja, D.B. (2022)   "Evidence of the mineral ZnHAsO4⋅H2O, koritnigite, controlling As(V) and Zn(II) solubility in a multi-contaminated soil." Applied Geochemistry 140 (105301) https://doi.org/10.1016/j.apgeochem.2022.105301 (open access) Selected as Editor's choice.