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EC number: 266-002-0 | CAS number: 65996-69-2 The fused substance formed by the action of a flux upon the gangue of the iron-bearing materials charged to a blast furnace and upon the oxidized impurities in the iron produced. Depending upon the particular blast furnace operation, the slag is composed primarily of sulfur and oxides of aluminum, calcium, magnesium, and silicon.
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Other distribution data
Administrative data
- Endpoint:
- other distribution data
- Type of information:
- experimental study
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Study period:
- 2009
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Significant methodological deficiences as e.g. analytical methods were not sensitive enough to detect the substances relevant for the study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
- Principles of method if other than guideline:
- Analysis of the solubility of certain elements occuring in the fine dust fraction of GGBS
- GLP compliance:
- no
- Type of study:
- other: bioavailability
- Media:
- other: solid-water
Test material
- Reference substance name:
- Slags, ferrous metal, blast furnace
- EC Number:
- 266-002-0
- EC Name:
- Slags, ferrous metal, blast furnace
- Cas Number:
- 65996-69-2
- Molecular formula:
- ~ Al(n)Ca(m)Mg(o)Si(p)O(3n/2+m+o+2p)
- IUPAC Name:
- Aluminium-Calcium-Magnesium-Silicium oxide equivalent
- Reference substance name:
- GGBS
- IUPAC Name:
- GGBS
- Details on test material:
- GGBS (Slags, ferrous metal, blast furnace, ground granulated)
Constituent 1
Constituent 2
Results and discussion
Any other information on results incl. tables
Analytical information on GGBS (mg/kg dry weight)
Parameter |
GGBS |
Fine dust fraction of GGBS |
As |
< 1.0 |
< 3.0 |
Cd |
< 0.5 |
< 0.3 |
Cr |
48 |
< 3.0 |
Cu |
5 |
< 3.0 |
Hg |
< 0.2 |
< 0.1 |
Mo |
< 5.0 |
<3.0 |
Ni |
7.4 |
< 3.0 |
Pb |
< 5.0 |
< 3.0 |
S |
10400 |
6100 |
Sb |
< 5.0 |
< 3.0 |
Ti |
n.d. |
2610 |
Tl |
< 0.5 |
< 5.0 |
V |
22 |
< 3.0 |
Zn |
11 |
76.5 |
Analytical information on the fine dust fraction (< 10 micrometers) of GGBS and its leachates in sodium chloride solution and in aquatic solution (mg/kg dry weight and mg/kg of solution, respectively)
Parameter |
Total content |
Bioavailable* |
Bioavailable** |
As |
< 3.0 |
n.d. |
n.d. |
Cd |
<0.3 |
n.d. |
n.d. |
Cr |
< 3.0 |
n.d. |
n.d. |
Cu |
< 3.0 |
n.d. |
n.d. |
Hg |
<0.1 |
n.d. |
n.d. |
Mo |
<3.0 |
n.d. |
n.d. |
Ni |
< 3.0 |
n.d. |
n.d. |
Pb |
< 3.0 |
n.d. |
n.d. |
S |
6100 |
6100 |
6100 |
Sb |
< 3.0 |
n.d. |
n.d. |
Ti |
2610 |
< 3*** |
< 3*** |
Tl |
< 5.0 |
n.d. |
n.d. |
V |
< 3.0 |
n.d. |
n.d. |
Zn |
76.5 |
< 3*** |
< 3*** |
*Bioavailable fraction (physiological sodium chloride solution)
**Bioavailable fraction (bidestilled water)
***These data were reported on special request by the analytical laboratory, and they are not reported in the study report
Most data cannot be used to draw any conclusion on bioavailability. In 11 out of 14 cases, the element concentrations in the solid fine dust fraction and in both leachates were below the respective limits of detection. Thus, it cannot be excluded from the data that up to 100 % of the total content of these elements are bioavailable.
In the case of Zn and Titan, no limit of detection is reported for the leachates in the report.
According to the data, all sulfur of the fine dust fraction is bioavailable.
Applicant's summary and conclusion
- Conclusions:
- No conclusion on bioavailability can be drawn from the data generated in the study
- Executive summary:
The analytical methods applied in the testing laboratory were not sensitive enough to detect the relevant metals in leachates thus no conclusion on bioavailability can be drawn from the data generated in the study.
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