Registration Dossier
Registration Dossier
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EC number: 232-379-5 | CAS number: 8011-76-5 Substance obtained by treating phosphate rock with sulfuric acid or a mixture of sulfuric and phosphoric acids. Composed primarily of calcium phosphates and calcium sulfate.
Other distribution data
Administrative data
- Endpoint:
- other distribution data
- Type of information:
- not specified
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Data not retrieved.
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Superphosphate, Concd.
- Author:
- European Commission
- Year:
- 2 000
- Bibliographic source:
- International Uniform Chemical Information Database. Year 2000 CD–ROM edition.
Materials and methods
Results and discussion
Applicant's summary and conclusion
- Conclusions:
- Inorganic phosphates are retained by most soils in “fixed” forms. Very little phosphorus is lost by leaching. The largest losses occur in sandy soils, which have both low capacity to retain water and low buffer capacity for the phosphate. The main way in which phosphorus originating in fertilizers may reach natural water is through surface runoff and erosion of the soil. These losses are normally small.
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