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2.2. Elements in Soils: Total and Extractable Contents, Solid Phase Speciation

chapter summary


ID Parameter Method

22_Boularbah Inhibition of the β-galactosidase activity in a mutant strain of Escherichia coli, by bioavailable heavy metals MetPLATE: A direct solid-phase assay for rapid assessment of heavy metal bioavailability to plants

22_Calba pH, CEC, and exchangeable cations in soil cobalthexamine chloride extraction

22_Friedel_a Soil ammonium and nitrate Photometric determination in soil extracts

22_Friedel_b Soil microbial biomass C and N in the rhizosphere Dissolved organic C and N determination in 0.5 M K2SO4 soil extract

22_Luster_a Soil acidity; soil cation exchange capacity (CEC), base saturation, and BC/Al ratio Soil pH using water or CaCl2 extracts; exchangeable acidity by KCl extraction; exchangeable cations by NH4Cl extraction

22_Luster_b Reactive and Soluble Trace Elements in Soils buffered EDTA extraction; water extraction

22_Luster_c Soil nutrient status Exchangeable cations by NH4Cl extraction; P fractionation; Total C and N, inorganic C

22_Manceau Molecular speciation of trace metals in solid phases, and elemental associations at the micrometer scale Synchrotron-based X-ray microfluorescence (SXRF), microdiffraction (micro-XRD), and extended X-ray absorption fine structure (EXAFS) spectroscopy

22_Mollier Dynamic of the diffusive soil (ortho)phosphate Sorption and 32PO4 labeling and dilution kinetics

22_Nowack Solid phase speciation of heavy metals Sequential extraction (Zeien and Brümmer)

22_Sas-Paszt Soil pH; available contents of P, K, Mg and microelement soil extracts: KCl (pH); lactate buffer (P, K); CaCl2 (Mg); HCl (microelements)

22_Sinaj_a Bioavailability of P, Zn and Cd Isotopic Exchange Kinetics (IEK; E-value)

22_Sinaj_b Bioavailability of P, Zn and Cd Uptake of elements from radioactively labeled soils (L-values)

22_Tappero (In situ) Elemental distributions, associations, and molecular speciation in solid phases Synchrotron X-ray fluorescence (µ-SXRF) imaging and X-ray absorption fine structure (XAFS) spectroscopy

22_Turpault Quantitative mineralogy of rhizosphere soil Multistep procedure performed on particle size fractions

22_Zimmermann_a Total and total extractable element contents in soil XRF of powder and fused discs; HNO3 extracts

22_Zimmermann_b Pedogenic oxides Total Fe oxides by dithionite/citrate extraction
Amorphous Fe and Al oxides by oxalate extraction
Organically bound Fe and Al by pyrophosphate extraction

> Contact: Walter Wenzel, e-mail: walter.wenzel@boku.ac.at, Phone: +43 1 47654 3125

Author: Markus Puschenreiter · last modified: 25.10.2007 18:44:19

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