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Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 2016 - January 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other:
Version / remarks:
CIPAC MT 170, Dry Sieve Analysis f Water Dispersible Granules
Deviations:
no
Principles of method if other than guideline:
Sieve analysis according to method CIPAC MT 170 (Dry Sieve Analysis) was performed
GLP compliance:
yes (incl. QA statement)
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Specific details on test material used for the study:
- Batch number: NJC1506009
- Appearance: White crystals
- Manufacturing date: 11 June 2015
- Expiry date: 10 December 2016
- Storage conditions: Controlled room temperature (15-25°C, below 70 RH%), under inert gas, protected from humidity
- Safety precautions: Routine safety precautions (lab coat, gloves, safety glasses, face mask) for unknown materials were applied to assure personnel health and safety.
Remarks on result:
not determinable because of methodological limitations
Key result
Percentile:
D10
Mean:
> 125 µm
St. dev.:
0
Key result
Percentile:
D90
Mean:
< 1 000 µm
St. dev.:
0
No.:
#1
Size:
63 µm
Distribution:
99.3 %
Remarks on result:
other: sum of residues Rx %
No.:
#2
Size:
125 µm
Distribution:
99 %
Remarks on result:
other: sum of residues Rx %
No.:
#3
Size:
250 µm
Distribution:
81.7 %
Remarks on result:
other: sum of residues Rx %
No.:
#4
Size:
500 µm
Distribution:
21.5 %
Remarks on result:
other: sum of residues Rx %
No.:
#5
Size:
100 µm
Distribution:
0.1 %
Remarks on result:
other: sum of residues Rx %
No.:
#6
Size:
2 000 µm
Distribution:
0.1 %
Remarks on result:
other: sum of residues Rx %
No.:
#7
Size:
4 000 µm
Distribution:
0 %
Remarks on result:
other: sum of residues Rx %
Conclusions:
The particle size distribution of the test item was found to be [125 μm; 1000 μm]. Less than 10% of the test item is larger than 1 mm and more than 90% is larger than 125 μm.
Executive summary:

The study was performed according to CIPAC methods MT 169 & 170, using the sieving method.

The particle size distribution of the test item was found to be [125 μm; 1000 μm]. Less than 10% of the test item is larger than 1 mm and more than 90% is larger than 125 μm.

Description of key information

The study was performed according to CIPAC methods MT 169 & 170, using the sieving method.

The particle size distribution of the test item was found to be [125 μm; 1000 μm]. Less than 10% of the test item is larger than 1 mm and more than 90% is larger than 125 μm.

Additional information

Source: GLP-report