Department of Chemistry, Analytical and Marine Chemistry, University of Gothenburg, Kemivägen 10, 412 96 Gothenburg, Sweden

Luleå University of Technology, Division of Applied Geology, 97187 Luleå, Sweden

Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand

Luleå University of Technology, Division of Applied Geology, 97187 Luleå, Sweden

Department of Systems Ecology, Stockholm University, 10691 Stockholm, Sweden

Department of Chemistry, Analytical and Marine Chemistry, University of Gothenburg, Kemivägen 10, 412 96 Gothenburg, Sweden

Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand

Department of Plant and Environmental Sciences, University of Gothenburg, P.O. Box 461, 40530 Gothenburg, Sweden

Department of Chemistry, Analytical and Marine Chemistry, University of Gothenburg, Kemivägen 10, 412 96 Gothenburg, Sweden

Department of Chemistry, Analytical and Marine Chemistry, University of Gothenburg, Kemivägen 10, 412 96 Gothenburg, Sweden

Luleå University of Technology, Division of Applied Geology, 97187 Luleå, Sweden