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EC number: 238-173-1 | CAS number: 14281-83-5
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2019-05-2019
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The particle size distribution of the test item was examined in a study according to the approach described in Guidance R.7a, Figure R.7.1-6 Integrated testing strategy for granulometry, with the sieving method.
- GLP compliance:
- no
- Type of method:
- sieving
- Type of particle tested:
- agglomerate
- Type of distribution:
- mass based distribution
- No.:
- #1
- Size:
- > 0.9 mm
- Distribution:
- 9 %
- No.:
- #2
- Size:
- > 0.8 - < 0.9 mm
- Distribution:
- 7 %
- No.:
- #3
- Size:
- > 0.6 - < 0.8 mm
- Distribution:
- 15 %
- No.:
- #4
- Size:
- > 0.5 - < 0.6 mm
- Distribution:
- 10 %
- No.:
- #5
- Size:
- > 0.4 - < 0.5 mm
- Distribution:
- 10 %
- No.:
- #6
- Size:
- > 0.3 - < 0.4 mm
- Distribution:
- 25 %
- No.:
- #7
- Size:
- > 0.2 - < 0.3 mm
- Distribution:
- 15 %
- No.:
- #8
- Size:
- > 0.1 - < 0.2 mm
- Distribution:
- 7 %
- No.:
- #9
- Size:
- < 0.1 mm
- Distribution:
- 2 %
- Conclusions:
- The test material contains 2 % particles <100 µm as examined with sieving and weighing.
- Executive summary:
The particle size distribution of Bis(glycinato-N,O)zinc was examined in a study according to the approach described in Guidance R.7a, Figure R.7.1-6 Integrated testing strategy for granulometry, by sieving and weighing.
Sieve [mm]
Percentage (%)
>0.9
9
<0.9 >0.8
7
<0.8 >0.6
15
<0.6 >0.5
10
<0.5 >0.4
10
<0.4 >0.3
25
<0.3 >0.2
15
<0.2 >0.1
7
<0.1
2
The test material contained 2 % (per weight) particles <100 µm.
Reference
Description of key information
Virtually no particles <100 µm (2 % net weight) were detected.
Additional information
The particle size distribution of Bis(glycinato-N,O)zinc was examined in a study according to the approach described in Guidance R.7a, Figure R.7.1-6 Integrated testing strategy for granulometry, by sieving and weighing.
Sieve [mm] |
Percentage (%) |
>0.9 |
9 |
<0.9 >0.8 |
7 |
<0.8 >0.6 |
15 |
<0.6 >0.5 |
10 |
<0.5 >0.4 |
10 |
<0.4 >0.3 |
25 |
<0.3 >0.2 |
15 |
<0.2 >0.1 |
7 |
<0.1 |
2 |
The test material contained 2 % (per weight) particles <100 µm.
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