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EC number: 918-452-0 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: No GLP study but other quality assurance
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
- Principles of method if other than guideline:
- The particle size of the samples is determined by sieving.
- GLP compliance:
- no
- Remarks:
- other quality assurance
- Type of method:
- determination of fibre length and diameter distributions
- Type of distribution:
- counted distribution
Test material
- Reference substance name:
- copper
- EC Number:
- 918-452-0
- IUPAC Name:
- copper
- Details on test material:
- Representative samples were collected according to standards sampling protocols from the REACH Copper Consortium (in attachment in iuclid 1.4 & 4.1)
B5, description: low Ni content (representative, not sieved granules), sampling code: MC_B5_El LNi_1A_comp0902_0904, lab code: 09TT02791
B5, description: low Ni content (homogenized, drilled, sieved), sample code: MC_B5_El LNi_1B_comp0902_0904, lab code: 09TT02772
B5, description: High Ni content (representative, not sieved granules), sample code: MC_B5_El HNi_2A_comp0902_0904, lab code: 09TT02792
B5, description: high Ni content (homogenized, drilled, sieved), sample code: MC_B5_El HNi_2B_comp0902_0904, lab code: 09TT02774
Constituent 1
Results and discussion
Particle size
- Percentile:
- D50
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
- Size:
- 1.19 - 3.36 mm
- Distribution:
- 96.26 %
- Remarks on result:
- other: sample 09TT02791
- Size:
- 1.19 - 3.36 mm
- Distribution:
- 91.76 %
- Remarks on result:
- other: Sample 09TT02792
Any other information on results incl. tables
Table 4: Particle size distribution
Sample |
|
09TT02791 |
|
09TT02792 |
|
Size |
|
Retained |
|
Retained |
|
mesh |
mm |
g |
% |
g |
% |
6 |
3.360 |
96.58 |
66.92 |
50.47 |
44.55 |
8 |
2.380 |
24.23 |
16.79 |
23.38 |
20.64 |
16 |
1.190 |
18.12 |
12.55 |
30.10 |
26.57 |
20 |
0.841 |
3.07 |
2.13 |
5.25 |
4.63 |
30 |
0.595 |
1.44 |
1.00 |
2.77 |
2.44 |
40 |
0.420 |
0.48 |
0.33 |
0.89 |
0.79 |
50 |
0.297 |
0.14 |
0.10 |
0.01 |
0.01 |
140 |
0.106 |
0.11 |
0.08 |
0.22 |
0.19 |
200 |
0.075 |
0.01 |
0.01 |
0.02 |
0.02 |
|
-0.075 |
0.15 |
0.10 |
0.19 |
0.17 |
Sum |
|
144.33 |
100.00 |
113.30 |
100.00 |
Applicant's summary and conclusion
- Conclusions:
- UVCB is massive
- Executive summary:
In representative samples, more than 95% of the granular material has dimension of higher 3mm. The UVCB can be considered as massive, with no powder, nor inhalable or respirable fractions
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