Registration Dossier
Registration Dossier
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EC number: 209-943-4 | CAS number: 598-63-0
Other distribution data
Administrative data
- Endpoint:
- other distribution data
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Acceptable, well-documented publication which meets basic scientific principles
Data source
Reference
- Reference Type:
- publication
- Title:
- Forms of trace metals from inorganic sources in soils and amounts found in spring Barley
- Author:
- Anna Chlopecka
- Year:
- 1 993
- Bibliographic source:
- Water, Air, and Soil Pollution 69: 127-134
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Barley was grown on a sandy soil given different doses of lead carbonate and others metal carbonates in a pot experiment in a greenhouse.
Sequential extraction was used to partition these metals into five operationally-defined fractions : exchangeable, bound to carbonates, bound to Fe-Mn oxides, bound to organic matter and residual. - GLP compliance:
- not specified
- Type of study:
- soil leaching
Test material
- Reference substance name:
- Lead carbonate (Cerussite)
- IUPAC Name:
- Lead carbonate (Cerussite)
Constituent 1
Results and discussion
Any other information on results incl. tables
Relative proportion of the metals in the residue in the treated soils was very small. residual phase is believed not to supply plants with metals under normals conditions in a short period of time.
The concentration of Pb in the plants was not very different in the treated soils than in the control soils.
Weak correlations were found for Pb contents in the plants and the exchangeable forms of the metals in the soils.
Minor changes were observed for Pb contents of the exchangeable form.
Applicant's summary and conclusion
- Conclusions:
- Since trace metal bioavaibility is related to the metals form in the soil, lead carbonate was not found to be very bioavailable in the conditions of the study.
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