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Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP compliant

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report Date:
2009

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
GLP compliance:
yes (incl. certificate)
Remarks:
AllessaChemie GmbH, Frankfurt am Main, Germany
Type of distribution:
volumetric distribution

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
-Trivial name: SONGSORB 3600 PW
-Batch No.: 1SP3691501
-Molecular Formula: C41H50O2N6
-Molecular Weight: 658.87 g/mol
-Appearance: white powder

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
>= 99.17 - <= 100.63 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
<= 4.74 µm
St. dev.:
0.035
Percentile:
D50
Mean:
<= 99.9 µm
St. dev.:
0.728
Percentile:
D99
Mean:
<= 411.61 µm
St. dev.:
1.245
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
<= 40 µm
Distribution:
>= 29.18 - <= 29.31 %
No.:
#2
Size:
<= 63 µm
Distribution:
>= 37.64 - <= 37.9 %
No.:
#3
Size:
<= 100 µm
Distribution:
>= 49.87 - <= 50.19 %
No.:
#4
Size:
<= 250 µm
Distribution:
>= 84.41 - <= 84.45 %
No.:
#5
Size:
<= 500 µm
Distribution:
100 %

Any other information on results incl. tables

Dry dispersing system RODOS: Measurement starting from 0.5 % C.Opt. with approximately 2 - 4 g powder for each test at 1.5 bar. The measuring range of the optical system was set to lense R5 (0.5/4.5...875 µm).

Run

X10

[µm]

X50

[µm]

X99

[µm]

1

4.71

99.38

412.49

2

4.76

100.41

410.73

Average

4.74

99.90

411.61

Confidence interval

0.035

0.728

1.245

The average particle size and confidence interval of test item SONGSORB 3600 PW is:

X10:  ≤  4.74 ± 0.035 µm

X50:  ≤  99.90 ± 0.728 µm

X99:    411.61 ± 1.245 µm

Applicant's summary and conclusion

Conclusions:
The average particle size and confidence interval of test item SONGSORB 3600 PW is:
X10:  ≤  4.74 ± 0.035 µm
X50:  ≤  99.90 ± 0.728 µm
X99:  ≤  411.61 ± 1.245 µm