Solubility of inorganic phosphorus in stream water as influenced by pH and calcium concentration.
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It is unclear why the solubility of Ca is notably higher in the CAN ash, but it may be responsible for the reduced PO4 levels in the CAN leachate as P has a tendency to precipitate in the presence of Ca.
“It is unclear why the solubility of Ca is notably higher in the CAN ash in comparison with the other ash types (Jung et al. 2009;Brito et al. 2017), but it may be responsible for the reduced PO 4 3À levels (1.2 mg kg À1 ) in the CAN leachate as P has a tendency to precipitate in the presence of Ca (Diaz et al. 1994).”
From Chemical composition of wildfire ash produced in contrasting ecosystems and its toxicity to Daphnia magna (2019) · cites this paper as Diaz et al. 1994
Less alkaline conditions favour the solubility of metals and P compared with other samples where metals tend to precipitate as hydroxides for pH values above 8-9 and phosphate as hydroxyapatite for pH values >8.5.
“These less alkaline conditions favour the solubility of metals and P compared with the other samples where the metals tend to precipitate as hydroxides for pH values above 8-9 and the phosphate as hydroxyapatite for pH values .8.5 (for example see: Diaz et al. 1994;Stumm and Morgan 1995).”
From Chemical composition of wildfire ash produced in contrasting ecosystems and its toxicity to Daphnia magna (2019) · cites this paper as Diaz et al. 1994
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Harper, A. R., Santin, C., Doerr, S. H., Froyd, C. A., Albini, D., Otero, X. L., Viñas, L., & Pérez-Fernández, B. (2019) · International Journal of Wildland Fire · doi:10.1071/wf18200 · Cited by 108 · see citing works
- Authors
- Diaz, O. A., Reddy, K. R., & Moore, P. A.
- Affiliations
- University of Florida (US)
- University of Arkansas at Fayetteville (US)
- Corresponding author
- Reddy, K.R.
- ORCID
- Reddy, K.R.
- Venue
- Water Research
- Publisher
- Elsevier BV
- Published
- 1994-08
- Volume
- 28
- Issue
- 8
- Pages
- 1755-1763
- ISSN
- 0043-1354 (ISSN-L)
- OpenAlex
- W2039499438
- Cited by
- 162
- References
- 25
- Citations by year
- 2026: 3 · 2025: 4 · 2024: 12 · 2023: 7 · 2022: 10 · 2021: 4 · 2020: 7 · 2019: 8 · 2018: 6 · 2017: 6 · 2016: 8 · 2015: 7 · 2014: 9 · 2013: 4 · 2012: 10
- FWCI
- 1.36
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Water Research (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
- Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
- Physical Sciences › Environmental Science › Waste Management and Disposal › Phosphorus and nutrient management
- Keywords
- inorganic phosphorus, phosphorus solubility, phosphorus precipitation, calcium phosphate minerals, pH, calcium concentration, octacalcium phosphate, beta-tricalcium phosphate, whitlockite, ion activity product, phosphorus speciation, Everglades Agricultural Area, drainage channels, stream water, magnesium effect
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