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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:
05/03/2009-19/03/2009
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:
Particle size distribution (laser diffraction instrument Malvern MastersizerX, lens 1000 mm and isobutanol as dispersant)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution
No.:
#1
Size:
< 10 µm
Distribution:
2.5 %
No.:
#1
Size:
< 50 µm
Distribution:
18.9 %
No.:
#1
Size:
< 100 µm
Distribution:
50.4 %
No.:
#2
Size:
< 10 µm
Distribution:
1 %
No.:
#2
Size:
< 50 µm
Distribution:
9.1 %
No.:
#2
Size:
< 100 µm
Distribution:
23.3 %

The following results were measured:

Particle diameter (µm)

<10.0

<50.0

<100.0

Batch 3626164 (Tmp)

2.5%

18.9%

50.4%

Batch 3838067 (Neo)

1.0%

9.1%

23.3%
Conclusions:
The particle size distribution of two batches of sodium formate were measured: 50.4% of batch 3626164 had a particle diameter of <100.0 µm. 23.3% of batch 3838067 had a particle diameter of <100.0 µm.
Executive summary:

The particle size distribution of two batches of sodium formate were measured: 50.4% of batch 3626164 had a particle diameter of <100.0 µm. 23.3% of batch 3838067 had a particle diameter of <100.0 µm.

Description of key information

The particle size distribution of two batches of sodium formate was measured. 50.4% of batch 3626164 had a particle diameter of <100.0 µm. 23.3% of batch 3838067 had a particle diameter of <100.0 µm.

Additional information