The DOI matches its Crossref record.
Effect of Ca on the Solubility and Molecular Size Distribution of DOC and Cu Binding in Soil Solution Samples
Open accessAbstract
Flocculation of soil-derived dissolved organic carbon (DOC) was used as a tool to study the molecular size distribution of DOC and the native amount of copper bound to different size fractions. DOC was extracted from arable soils that had received varying amounts of animal manure, inorganic fertilizer, or CuSO 4 . Addition of calcium to the DOC extracts resulted in flocculation of up to 50% of the DOC originally present in the samples. High performance size exclusion chromatography (HPSEC) analysis revealed that the DOC removed mainly consisted of high molecular weight (HMW) organic acids. Low molecular weight (LMW) substances remained soluble even at high calcium concentrations. Copper solution concentrations decreased almost linearly with decreasing DOC levels, suggesting that copper remained bound to the flocculated material despite increasing calcium concentrations. The amounts of copper bound to both LMW and HMW components depended on the copper content of the soil and were described by two Langmuir sorption equations. Maximum binding capacities varied between 250 μmol of copper g - 1 of C for HMW components and 450 μmol of copper g - 1 of C for LMW components, but binding affinities were higher for HMW components. The Langmuir equation described the measured copper solution concentrations from the batch experiments very well ( R 2 = 0.994). The observation that up to 50% of the DOC in solution was not removed by calcium indicates that a significant part of copper is potentially highly mobile in soils and can be prone to DOC-facilitated transport.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Controls of bioavailability and biodegradability of dissolved organic matter in soils
Marschner, B., & Kalbitz, K. (2003) · Geoderma · doi:10.1016/s0016-7061(02)00362-2 · Cited by 989
Chantigny, M. H. (2003) · Geoderma · doi:10.1016/s0016-7061(02)00370-1 · Cited by 819
Potentials and drawbacks of chelate-enhanced phytoremediation of soils
Römkens, P., Bouwman, L., Japenga, J., & Draaisma, C. (2002) · Environmental Pollution · doi:10.1016/s0269-7491(01)00150-6 · Cited by 301
Self-citationZanuzzi, A., Arocena, J. M., van Mourik, J. M., & Faz Cano, A. (2009) · Geoderma · doi:10.1016/j.geoderma.2009.09.014 · Cited by 127
Amoakwah, E., Shim, J., Kim, S., Lee, Y., Kwon, S., Sangho, J., & Park, S. (2023) · Geoderma · doi:10.1016/j.geoderma.2023.116431 · Cited by 30
Kabiri, S., Tavakkoli, E., Navarro, D. A., Degryse, F., Grimison, C., Higgins, C. P., Mueller, J. F., Kookana, R. S., & McLaughlin, M. J. (2024) · Environmental Pollution · doi:10.1016/j.envpol.2024.124234 · Cited by 23
Orlova, J., Amiri, F., Bourgeois, A. K., Buttle, J. M., Cherlet, E., Cuss, C. W., Devito, K. J., Emelko, M. B., Floyd, W. C., Foster, D. E., et al. (2024) · Water Resources Research · doi:10.1029/2023wr035196 · Cited by 15
Metadata
- Authors
- Römkens, P. F. A. M., & Dolfing, J.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 1998-02-01
- Volume
- 32
- Issue
- 3
- Pages
- 363-369
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2047448856
- Cited by
- 204
- References
- 0
- FWCI
- 9.47
- Type
- journal article
- Language
- en
- Open access
- green
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
