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Karlsson, Stefan
Publications (10 of 123) Show all publications
Rai, N., Sjöberg, V., Forsberg, G., Karlsson, S., Olsson, P.-E. & Jass, J. (2019). Metal contaminated soil leachates from an art glass factory elicit stress response, alter fatty acid metabolism and reduce lifespan in Caenorhabditis elegans. Science of the Total Environment, 651, 2218-2227
Open this publication in new window or tab >>Metal contaminated soil leachates from an art glass factory elicit stress response, alter fatty acid metabolism and reduce lifespan in Caenorhabditis elegans
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2019 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 651, p. 2218-2227Article in journal (Refereed) Published
Abstract [en]

The present study evaluated the toxicity of metal contamination in soils from an art glass factory in Smaland Sweden using a Caenorhabditis elegans nematode model. The aim of the study was to chemically analyze the soil samples and study the biological effects of water-soluble leachates on the nematodes using different physiological endpoints. The total metal content showed that As, Cd and Pb were at levels above the guideline values for soils in areas around the factory. Less than 10% of the total metal content in the soil was found in the water-soluble leachates, however, Al, As, Fe and Pb remained higher than the guideline values for safe drinking water. Exposure of C. elegans to the water-soluble leachates, at both post-hatching larvae stage (L1-young adult) for 48 h and at the young adult stage (L4) for 6 h, showed significant gene alteration. Although the nematodes did not exhibit acute lethality, lifespan was significantly reduced upon exposure. C. elegans also showed altered gene expression associated with stress response and fat metabolism, as well as enhanced accumulation of body fat. The study highlighted the significance of assessing environmental samples using a combination of gene expression analysis, fatty acid metabolism and lifespan for providing valuable insight into the negative impact of metals. The altered fat metabolism and reduced lifespan on exposure to soil leachates motivates further studies to explore the mechanism of the toxicity associated with the metals present in the environment.

Place, publisher, year, edition, pages
Elsevier, 2019
Keywords
Contaminated soil, Water-soluble leachates, Ecotoxicology, Lipid metabolism, Heavy metals, Glass manufacturing
National Category
Environmental Sciences
Identifiers
urn:nbn:se:oru:diva-70482 (URN)10.1016/j.scitotenv.2018.10.067 (DOI)000450551600055 ()30326454 (PubMedID)2-s2.0-85054622934 (Scopus ID)
Funder
Knowledge Foundation, 20150084
Available from: 2018-12-05 Created: 2018-12-05 Last updated: 2018-12-05Bibliographically approved
Sjöberg, V. & Karlsson, S. (2017). LC-MP AES as a screening tool for metal-DOC interactions in ARD. In: Bio-geo interactions: basic knowledge to application: 16th Symposium on remediation in Jena “Jenaer Sanierungskolloquium”. Conference proceedings. Paper presented at 16th Symposium on remediation, Jena, Germany, October 5-6, 2017 (pp. 43-43).
Open this publication in new window or tab >>LC-MP AES as a screening tool for metal-DOC interactions in ARD
2017 (English)In: Bio-geo interactions: basic knowledge to application: 16th Symposium on remediation in Jena “Jenaer Sanierungskolloquium”. Conference proceedings, 2017, p. 43-43Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

Dissolved organic carbon (DOC) such as humic and fulvic acids have a high ability to form stable complexes with many metal ions. Also otherwise insoluble elements may be mobilized by complexolysis. Detection of the humic substances can be made with size exclusion chromatography (SEC) with UV/Vis and fluorescence detection. To detect the metals that different organic compounds carry the metal content in the eluent can be analyzed. However, the phosphate buffer that is used in the reference method is not well suited since phosphate and hydrogen phosphate ions are excellent complexing agents for many metals. In this work ammonium nitrate buffer was evaluated and used.

To decrease the analytical cost and streamline the analytical procedure an LC-system (Agilent 1260) was connected to an MP AES (Agilent 4200). After separation and spectroscopic measurements the eluent was lead to the nebulizer and the metal content in the eluent was determined as a function of time.

When acidic shale residues come in contact with wood chips, acidic hydrolysis and microbial degradation generate a complex mixture of hydrophilic organic compounds and acid rock drainage (ARD). If no subsequent condensation occurs the released organics would mainly contain low molecular weight carbon compounds (LMWOC). The fluorescence at 443 nm after exitation at 345 nm reveals that compounds of humic and fulvic character are present in the leachates. The content of manganese in the more complex forms of organic compounds is limited and it is mainly associated with LMWOC. Hence, humic compounds are not a good carrier of manganese in this type of system.

By using ammonium nitrate as buffer solution the separation was almost identical to the phosphate buffer. The results show that LC and MP AES can be used for analysis of the metal content as a function of size of organic carriers, such as humic substances and LMWOC. By using MP AES for metal analysis, operating cost is significantly decreased compared to hitherto used methods based on ICP. The results also indicate that substances with humic character form during acidic and microbial degradation of wood. From an environmental perspective this is of importance since several organic compounds facilitate metal mobilization.

National Category
Environmental Sciences
Identifiers
urn:nbn:se:oru:diva-64736 (URN)
Conference
16th Symposium on remediation, Jena, Germany, October 5-6, 2017
Available from: 2018-01-31 Created: 2018-01-31 Last updated: 2018-02-02Bibliographically approved
Karlsson, S., Sjöberg, V. & Allard, B. (2017). Metal transport dynamics in a small watershed - Dylta bruk, Sweden. In: Bio-geo interactions: basic knowledge to application: 16th Symposium on remediation in Jena “Jenaer Sanierungskolloquium”. Conference proceedings. Paper presented at 16th Symposium on remediation, Jena, Germany, October 5-6, 2017 (pp. 23-23).
Open this publication in new window or tab >>Metal transport dynamics in a small watershed - Dylta bruk, Sweden
2017 (English)In: Bio-geo interactions: basic knowledge to application: 16th Symposium on remediation in Jena “Jenaer Sanierungskolloquium”. Conference proceedings, 2017, p. 23-23Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

Metal transport in small streams in boreal catchments is a function of weathering rate, water balance and redistribution mechanisms. Because of these highly dynamic processes long term water quality changes are difficult to determine but needed in order to assess the impact of several local and largescale changes on local water quality.

The field site is situated at Dyltabruk, some 20 km North of Örebro in South Central Sweden. The 4 km2 catchment has deciduous and coniferous species on a granitic moraine with some 20% ofmires and fens adjacent to the oldest sulphur mine in Sweden. Grab samples were collected weekly since 2006 but more frequent during periods with large changes in water balance. The samples were analysed for general hydrochemical parameters (temperature, electrical conductivity, pH, dissolved organic carbon (DOC), inorganic carbon (IC), fulvic and humic acids and dissolved oxygen), dissolved principal anions, principal and trace metals. Standardized analytical procedures were applied. Temperature, precipitation and other climatic parameters were recorded some 2 km from thesite every 15 minutes.

The results showed a general concentration pattern where the water balance had the largest single influence. The concentrations had a seasonality inversely related to the ground water level. Inter annual variations of one to two orders of magnitude were observed for group 1 and 2 elements. For transition metals with high affinity to solid matter as well as DOC the variation reached three to four orders of magnitude. Only aluminium and iron had concentrations that occasionally exceeded solubility limits which resulted in a similar inter annual variation.

During the study period the average annual temperature and precipitation were no different (p 0.05) from the previous ten years but rainfall intensities increased. In a long term perspective the concentrations for all metals except calcium had positive trends. The tendencies remained when normalizing against chloride. The same was found for DOC, nitrate and sulphate. Hence, there is an accelerating loss of most elements that is not limited by weathering. It is uncertain, however, if the positive trends for DOC depend on increased production or a balancing release from the supply in mires and fens. In addition, there is also an indication of increasing inter annual concentration changescwith time. Although not exclusively proven such phenome would occur as a result of increased rainfall intensity. It is therefore likely that the accelerating loss of elements is a result of increased weathering rather than increasing water discharge.

National Category
Environmental Sciences
Identifiers
urn:nbn:se:oru:diva-64734 (URN)
Conference
16th Symposium on remediation, Jena, Germany, October 5-6, 2017
Available from: 2018-01-31 Created: 2018-01-31 Last updated: 2018-02-02Bibliographically approved
Sjöberg, S., Allard, B., Rattray, J. E., Callac, N., Grawunder, A., Ivarsson, M., . . . Dupraz, C. (2017). Rare earth element enriched birnessite in water-bearing fractures, the Ytterby mine, Sweden. Applied Geochemistry, 78, 158-171
Open this publication in new window or tab >>Rare earth element enriched birnessite in water-bearing fractures, the Ytterby mine, Sweden
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2017 (English)In: Applied Geochemistry, ISSN 0883-2927, E-ISSN 1872-9134, Vol. 78, p. 158-171Article in journal (Refereed) Published
Abstract [en]

Characterization of a black substance exuding from fractured bedrock in a subterranean tunnel revealed a secondary manganese oxide mineralisation exceptionally enriched in rare earth elements (REE). Concentrations are among the highest observed in secondary ferromanganese precipitates in nature. The tunnel is located in the unsaturated zone at shallow depth in the former Ytterby mine, known for the discovery of yttrium, scandium, tantalum and five rare earth elements.

Elemental analysis and X-ray diffraction of the black substance establish that the main component is a manganese oxide of the birnessite type. Minor fractions of calcite, other manganese oxides, feldspars, quartz and about 1% organic matter were also found, but no iron oxides were identified. The Ytterby birnessite contains REE, as well as calcium, magnesium and traces of other metals. The REE, which constitute 1% of the dry mass and 2% of the metal content, are firmly included in the mineral structure and are not released by leaching at pH 1.5 or higher. A strong preference for the trivalent REE over divalent and monovalent metals is indicated by concentration ratios of the substance to fracture water. The REE-enriched birnessite has the general formula Mx(Mn3+,Mn4+)2O4·(H2O)n with M = (0.37–0.41) Ca + 0.02 (REE + Y), 0.04 Mg and (0.02–0.03) other metals, and with [Mn3+]/[Mn4+] = 0.86–1.00.

The influence of microorganisms on the accumulation of this REE enriched substance is demonstrated by electron paramagnetic resonance spectroscopy. Results show that it is composed of two or more manganese phases, one of which has a biogenic signature. In addition, the occurrence of C31 to C35 extended side chain hopanoids among the identified lipid biomarkers combined with the absence of ergosterol, a fungal lipid biomarker, indicate that the in-situ microbial community is bacterial rather than fungal.

Place, publisher, year, edition, pages
Elsevier, 2017
Keywords
Ytterby mine; Manganese oxides; Birnessite; Rare earth elements; Microbial mediation
National Category
Environmental Sciences Chemical Sciences
Research subject
Enviromental Science; Chemistry
Identifiers
urn:nbn:se:oru:diva-55316 (URN)10.1016/j.apgeochem.2016.12.021 (DOI)000395599500015 ()2-s2.0-85008339668 (Scopus ID)
Available from: 2017-02-03 Created: 2017-02-03 Last updated: 2018-02-01Bibliographically approved
Schindler, F., Merbold, L., Karlsson, S., Sprocati, A. R. & Kothe, E. (2017). Seasonal change of microbial activity inmicrobially aided bioremediation. Journal of Geochemical Exploration, 174, 4-9
Open this publication in new window or tab >>Seasonal change of microbial activity inmicrobially aided bioremediation
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2017 (English)In: Journal of Geochemical Exploration, ISSN 0375-6742, E-ISSN 1879-1689, Vol. 174, p. 4-9Article in journal (Refereed) Published
Abstract [en]

Microbial community patterns and their potential substrate utilization were examined to test for sustainability in metal polluted soil. The acid mine drainage (AMD) influenced test field was characterized for total soil respiration and the functional diversity of the soil bacterial communities using BIOLOG EcoPlate assays. Inoculation with the mycorrhizal fungus Rhizophagus irregularis and two streptomycetes led to an altered metabolic diversity and soil vitality, with cell numbers increased by one to three orders of magnitude. The change in metabolic activity was stable even after one winter with severe frost periods. The inoculation thus resulted in enhanced microbial activities. This vitalization resulted in enhanced formation of soil organic matter which, in turn, can sustain higher microbial cell numbers. We therefore conclude that inoculation with indigenous bacteria and a versatile mycorrhizal fungus results in improved vitality suitable for plant growth at heavy metal polluted soils. This holds a huge potential for the remediation of the legacies of mining activities and allows for land-use strategies on metal contaminated sites the world-over.

Place, publisher, year, edition, pages
Elsevier, 2017
Keywords
Microbial diversity, Soil function, Soil respiration, Bioremediation, Heavy metal contamination, Acid mine drainage
National Category
Geophysics Geochemistry
Identifiers
urn:nbn:se:oru:diva-54812 (URN)10.1016/j.gexplo.2016.04.001 (DOI)000390675100002 ()
Available from: 2017-01-19 Created: 2017-01-19 Last updated: 2018-07-30Bibliographically approved
Rozpadek, P., Rapala-Kozik, M., Wezowicz, K., Grandin, A., Karlsson, S., Wazny, R., . . . Turnau, K. (2016). Arbuscular mycorrhiza improves yield and nutritional properties of onion (Allium cepa). Plant physiology and biochemistry (Paris), 107, 264-272
Open this publication in new window or tab >>Arbuscular mycorrhiza improves yield and nutritional properties of onion (Allium cepa)
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2016 (English)In: Plant physiology and biochemistry (Paris), ISSN 0981-9428, E-ISSN 1873-2690, Vol. 107, p. 264-272Article in journal (Refereed) Published
Abstract [en]

Improving the nutritional value of commonly cultivated crops is one of the most pending problems for modern agriculture. In natural environments plants associate with a multitude of fungal microorganisms that improve plant fitness. The best described group are arbuscular mycorrhizal fungi (AMF). These fungi have been previously shown to improve the quality and yield of several common crops. In this study we tested the potential utilization of Rhizophagus irregularis in accelerating growth and increasing the content of important dietary phytochemicals in onion (Allium cepa). Our results clearly indicate that biomass production, the abundance of vitamin B1 and its analogs and organic acid concentration can be improved by inoculating the plant with AM fungi. We have shown that improved growth is accompanied with up-regulated electron transport in PSII and antioxidant enzyme activity.

Place, publisher, year, edition, pages
Paris, France: Elsevier, 2016
Keywords
Allium cepa, Thiamine, Rhizophagus irregularis, Biofortification, Organic acids, PSII efficiency
National Category
Botany Genetics and Breeding
Identifiers
urn:nbn:se:oru:diva-50862 (URN)10.1016/j.plaphy.2016.06.006 (DOI)000382341600027 ()27318800 (PubMedID)2-s2.0-84974622177 (Scopus ID)
Note

Funding Agencies:

Ministry of Science and Higher Education 197/N-COST/2008/0

Marshal Office of the Malopolska Region

Jagiellonian University in Krakow funds DS/WBiNoZ/INOS/758

Available from: 2016-06-15 Created: 2016-06-15 Last updated: 2017-11-28Bibliographically approved
Sartz, L., Bäckström, M., Karlsson, S. & Allard, B. (2016). Mixing of acid rock drainage with alkaline leachates: Formation of solid precipitates and pH-buffering. Mine Water and the Environment, 35(1), 64-76
Open this publication in new window or tab >>Mixing of acid rock drainage with alkaline leachates: Formation of solid precipitates and pH-buffering
2016 (English)In: Mine Water and the Environment, ISSN 1025-9112, E-ISSN 1616-1068, Vol. 35, no 1, p. 64-76Article in journal (Refereed) Published
Abstract [en]

Three metal-rich, acidic mine waters (from Bersbo and Ljusnarsberg, Sweden) were mixed with alkaline fly ash leachates in various proportions, representing a pH titration. Changes in pH and the loss of metals in solution due to precipitation of solid phases were tracked. Mineral equilibria and changes in pH and alkalinity were simulated using the geochemical code PHREEQC and the MINTEQv4 database, and the measured and simulated pH responses were compared. The formation of solid precipitates corresponded to fairly well-defined pH-buffering regions, reflecting the mine water compositions (notably the levels of Fe, Al, and Mn). Zn precipitation had a distinct buffering effect at near-neutral pH for the mine waters not dominated by iron. The formation of solid Mg phases (carbonate, as well as hydroxide) was indicated at high pH (above 9), but not formation of solid Ca phases, despite high sulfate levels. The phases that precipitated were various amorphous mixtures, mostly of the metals Fe, Al, Mn, Zn, and Mg. For the Fe-rich mine water, pH was poorly simulated with a simple MIX model, while alkalinity predictions agreed reasonably well with measured data. For the Al-rich mine waters, the simulated pH responses agreed well with the measurements. In an additional step, geochemical simulations were performed where selected proxy phases for major elements were forced to precipitate; this significantly improved the pH and alkalinity predictions. This approach may be more efficient than performing mixing experiments and titrations.

Place, publisher, year, edition, pages
Springer, 2016
Keywords
ARD; CFB-fly ash; PHREEQC
National Category
Environmental Sciences
Research subject
Chemistry; Enviromental Science
Identifiers
urn:nbn:se:oru:diva-47911 (URN)10.1007/s10230-015-0347-3 (DOI)000371308400008 ()2-s2.0-84959228256 (Scopus ID)
Note

Funding Agencies:

EU

Bergslagen region

Örebro University

Available from: 2016-02-03 Created: 2016-02-03 Last updated: 2019-03-26Bibliographically approved
Nilsson, C., Karlsson, S., Sjöberg, V. & von Kronhelm, T. (2016). Municipal sludge ash for abatement of ARD. In: Drebenstedt, C. & Paul, M. (Ed.), Mining Meets Water – Conflicts and Solutions: IMWA 2016 in Leipzig, Germany, July 11–15, 2016. Paper presented at Annual Meeting of the International-Mine-Water-Association (IMWA 2016), Leipzig, Germany, July 11-15, 2016 (pp. 699-705). Freiberg: TU Bergakademie Freiberg, Institute of Mining and Special Civil Engineering
Open this publication in new window or tab >>Municipal sludge ash for abatement of ARD
2016 (English)In: Mining Meets Water – Conflicts and Solutions: IMWA 2016 in Leipzig, Germany, July 11–15, 2016 / [ed] Drebenstedt, C. & Paul, M., Freiberg: TU Bergakademie Freiberg, Institute of Mining and Special Civil Engineering , 2016, p. 699-705Conference paper, Published paper (Refereed)
Abstract [en]

Abatement of ARD with passive treatment systems can quite often rely only on pH-control if the iron content is high enough and to allow for the formation of ferric hydrous oxides, which act as efficient adsorbents. The stability of ferric hydrous oxides is sensitive to lowering of pH as well as Eh why they must be controlled. Hence, it would be favourable to use a well ordered adsorbent that is stable over time and under the chemical conditions of ARD. Municipal waste water sludge is a growing problem in many countries and incineration under oxidative conditions can be used to oxidize anthropogenic organic molecules which pose a threat to the environment. Sludge ashes rendering from wastewater treatment in which iron is used as a flocculation agent have high concentrations of calcium/ magnesium and ferric oxides, and should therefore, in theory be a suitable candidate for treatment of ARD. This study has therefore focused on the ability for these ashes to act as a sorbent for the removal of metals from ARD. The stability and potential release of metals from the material were quantified in batch experiments by extraction at pH 2-10, resulting in equilibrium concentrations (at pH 8) of 11.9, 0.08 and 24.1 mg L-1 for Al, Fe and Mn respectively. However, after washing with water the corresponding values were 0.01, 0.03 and 0.09 mgL(-1). In fact, after washing the sludge ash is stable from pH 4 to 10, with only slightly higher concentrations found at pH 2. Batch experiments on metal adsorption from ARD showed more than 99% sorption of Cr, Cu, Pb and V, corresponding values for Co, Ni and Zn were 56, 86 and 34% respectively. The overall results from this study show that sludge ashes are a promising solution for treatment of ARD.

Place, publisher, year, edition, pages
Freiberg: TU Bergakademie Freiberg, Institute of Mining and Special Civil Engineering, 2016
Keywords
Metals, sorption, equilibrium, sludge, ashes
National Category
Environmental Sciences
Research subject
Enviromental Science
Identifiers
urn:nbn:se:oru:diva-58802 (URN)000402663400110 ()978-3-86012-533-5 (ISBN)
Conference
Annual Meeting of the International-Mine-Water-Association (IMWA 2016), Leipzig, Germany, July 11-15, 2016
Note

Funding Agency:

Sakab-Kumla foundation 

Available from: 2017-07-26 Created: 2017-07-26 Last updated: 2019-02-06Bibliographically approved
Sjöberg, S., Allard, B., Rattray, J. E., Sjöberg, V. & Karlsson, S. (2016). REE-Enriched Mn-Oxide Precipitates in Water-Bearing Fractures in the Ytterby Mine, Sweden. In: Drebenstedt, C. & Paul, M. (Ed.), Mining Meets Water – Conflicts and Solutions: IMWA 2016 in Leipzig, Germany, July 11–15, 2016. Paper presented at Annual Meeting of the International-Mine-Water-Association (IMWA 2016), Leipzig, Germany, July 11-15, 2016 (pp. 346-352). Freiberg: TU Bergakademie Freiberg, Institute of Mining and Special Civil Engineering
Open this publication in new window or tab >>REE-Enriched Mn-Oxide Precipitates in Water-Bearing Fractures in the Ytterby Mine, Sweden
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2016 (English)In: Mining Meets Water – Conflicts and Solutions: IMWA 2016 in Leipzig, Germany, July 11–15, 2016 / [ed] Drebenstedt, C. & Paul, M., Freiberg: TU Bergakademie Freiberg, Institute of Mining and Special Civil Engineering , 2016, p. 346-352Conference paper, Published paper (Refereed)
Abstract [en]

The Ytterby mine, Sweden, is known for the discovery of eight elements, including yttrium and five of the rare earth elements (REE). The mine was in operation from 1750 to 1933 and was after closure used as a storage depot for fuel from the 1950s to 1995. A tunnel was opened in the 1950s through the bedrock into the mine to allow access to the storage depot. Recent water monitoring campaigns (20122015) in the mine revealed a black substance (denoted YBS) in some fractures opening into the tunnel. Analysis of the YBS (elemental analysis, phase analysis by XRD, SEM with energy dispersive X-ray spectrometry, IR-and EPR-spectroscopy, preferential leaching at pH 4) showed that the main mineral component of the YBS is the manganese oxide birnessite. Also minor quantities of other less well defined manganese oxides were found, as well as silicates (quartz grains, possibly feldspar grains) and calcite. Birnessite has typically the composition Mx(Mn3+, Mn(2)(4+))O(4)xAq, with M= Na, Ca and x= 0.5. The birnessite component in YBS had a Mn3+/Mn4+ ratio of 1.04/0.96 with M = 0.42 Ca + 0.03 (REE+Y), 0.03 Mg and 0.03 other metals. All of these metals were firmly associated with the structure, since no release was observed at pH 4, except for significant fractions of the total Na, Mg, Ca-contents. Thus, REE+Y correspond to 1% of the total YBS mass and up to 3% of the metal content in the birnessite phase. This corresponds to an REE enrichment factor of the order 106 (YBS-birnessite/ fracture water). Birnessite with a substantial fraction of REE in the lattice has not previously been reported. The formation of birnessite is a microbial process. Identification of the microorganisms present in the Ytterby system is in progress.

Place, publisher, year, edition, pages
Freiberg: TU Bergakademie Freiberg, Institute of Mining and Special Civil Engineering, 2016
Keywords
Mine water geochemistry, manganese oxide precipitation, birnessite, rare earth elements
National Category
Environmental Sciences
Research subject
Enviromental Science
Identifiers
urn:nbn:se:oru:diva-58800 (URN)000402663400056 ()978-3-86012-533-5 (ISBN)
Conference
Annual Meeting of the International-Mine-Water-Association (IMWA 2016), Leipzig, Germany, July 11-15, 2016
Note

Funding Agencies:

Stockholm University (Sweden)  

Örebro University (Sweden)  

Friedrich Schiller University (Germany)  

Available from: 2017-07-26 Created: 2017-07-26 Last updated: 2017-10-18Bibliographically approved
Karlsson, S., Nilsson, C., Berg, I. & Sjöberg, V. (2015). Avloppsslam som vattenreningsfilter. In: : . Paper presented at 15:e Nordiska användarmötet om ICPMS, ICP-OES, AAS, Knivsta, Sweden, November 10-12, 2015.
Open this publication in new window or tab >>Avloppsslam som vattenreningsfilter
2015 (Swedish)Conference paper, Oral presentation with published abstract (Other academic)
National Category
Chemical Sciences Environmental Sciences
Research subject
Chemistry; Enviromental Science
Identifiers
urn:nbn:se:oru:diva-47951 (URN)
Conference
15:e Nordiska användarmötet om ICPMS, ICP-OES, AAS, Knivsta, Sweden, November 10-12, 2015
Available from: 2016-02-04 Created: 2016-02-04 Last updated: 2017-10-17Bibliographically approved
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