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Physical & Chemical properties

Particle size distribution (Granulometry)

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Endpoint:
particle size distribution (granulometry)
Type of information:
other: read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Study period:
04 Aug - 04 Aug 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: CIPAC, Physico-chemical Methods for Technical and Formulated Pesticides, MT 59: "Sieve Analysis"; CIPAC Handbook Volume F, 1995.
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Food and Consumer Product Safety Authority, Prinses Beatrixlaan 2, 2595 AL Den Haag, Postbus 19506, 2500 CM Den Haag, The Netherlands, 30 March 2009
Type of method:
sieving
Type of distribution:
other: dry sieving
No.:
#1
Size:
< 100 µm
Distribution:
0 %
No.:
#2
Size:
> 100 - < 180 µm
Distribution:
0 %
No.:
#3
Size:
> 180 - < 250 µm
Distribution:
0 %
No.:
#4
Size:
> 250 - < 500 µm
Distribution:
0 %
No.:
#5
Size:
> 500 - < 2 000 µm
Distribution:
0.2 %
No.:
#6
Size:
> 2 000 µm
Distribution:
99.8 %

In the receiver pan (i.e. the fraction < 100 µm), no test substance was collected.

Conclusions:
Particle size distribution of Vinasses by dry sieving was successfully performed. In the receiver pan (i.e. the fraction < 100 µm), no test substance was collected.
Endpoint:
particle size distribution (granulometry)
Data waiving:
other justification
Justification for data waiving:
other:

Description of key information

Liquid Vinasses:
not applicable
Solid Vinasses:
Particle size distribution at different passages:
< 500 µm: 0%
500 - 2000 µm: 0.2%
> 2000 µm: 99.8%

Additional information

The result for solid Vinasses is derived from a study with Vinasses, residue of fermentation containing biomass of Corynebacterium glutamicum (Method: CIPAC, Physico-chemical Methods for Technical and Formulated Pesticides, MT 59: "Sieve Analysis"). Since all Vinasses subgroups are very similar in composition, particle size distribution is as well similar.

The particle size distribution (granulometry) study does not need to be performed for Vinasses, which are marketed or used only in forms of suspension (aqueous solution) and pastes.