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A LANGMUIR TWO‐SURFACE EQUATION AS A MODEL FOR PHOSPHATE ADSORPTION BY SOILS
Abstract
Summary: For forty‐one soils (pH > 5.0) from southern England and eastern Australia, the Langmuir equation was an excellent model for describing P adsorption from solutions < 10 ‐3 M P, if it was assumed that adsorption occurs on two types of surface of contrasting bonding energies. For most of these soils, which were relatively undersaturated with P, this equation may be written as: image where x = adsorption, k = adsorption/desorption equilibrium constant, x m = monolayer adsorption capacity, and c = equilibrium solution concentration. The relative magnitude of the parameters for each surface were approximately: x m = 0.3 x ″ m =0.3 and k′= 100 k. More than 90 per cent of the native adsorbed P occurs on the high‐energy surface in most soils.
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Cited by
A review of biochar as a low-cost adsorbent for aqueous heavy metal removal
Inyang, M. I., Gao, B., Yao, Y., Xue, Y., Zimmerman, A., Mosa, A., Pullammanappallil, P., Ok, Y. S., & Cao, X. (2016) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643389.2015.1096880 · Cited by 1,397
Reactions of Phosphate Fertilizers in Soils
Sample, E. C., Soper, R. J., & Racz, G. J. (1980) · ASA, CSSA, and SSSA Books · doi:10.2134/1980.roleofphosphorus.c12 · Cited by 389
Metadata
- Authors
- HOLFORD, I. C. R., WEDDERBURN, R. W. M., & MATTINGLY, G. E. G.
- Venue
- Journal of Soil Science
- Publisher
- Wiley
- Published
- 1974-06
- Volume
- 25
- Issue
- 2
- Pages
- 242-255
- ISSN
- 0022-4588 (ISSN-L)
- OpenAlex
- W2104084468
- Cited by
- 177
- References
- 0
- FWCI
- 17.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: A LANGMUIR TWO‐SURFACE EQUATION AS A MODEL FOR PHOSPHATE ADSORPTION BY SOILS. https://app.cochat.ai/papers/10.1111/j.1365-2389.1974.tb01121.x
- The paper
- HOLFORD, I. C. R., WEDDERBURN, R. W. M., & MATTINGLY, G. E. G. (1974). A LANGMUIR TWO‐SURFACE EQUATION AS A MODEL FOR PHOSPHATE ADSORPTION BY SOILS. Journal of Soil Science. https://doi.org/10.1111/j.1365-2389.1974.tb01121.x
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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.
