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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:
24 August 2011
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Guidline compliant study
Qualifier:
according to guideline
Guideline:
other: DIN 66165, April 1987
GLP compliance:
no
Type of method:
sieving
Type of distribution:
other: diameter
Key result
Percentile:
D50
Mean:
2 865 µm
Remarks on result:
other: No standard deviation reported.
No.:
#1
Size:
< 125 µm
Distribution:
0.3 %
No.:
#2
Size:
>= 125 - < 500 µm
Distribution:
1.8 %
No.:
#3
Size:
>= 500 - < 1 000 µm
Distribution:
7.1 %
No.:
#4
Size:
>= 1 000 - < 1 400 µm
Distribution:
9.5 %
No.:
#5
Size:
>= 1 400 - < 2 000 µm
Distribution:
16 %
No.:
#6
Size:
>= 2 000 - < 3 150 µm
Distribution:
20.3 %
No.:
#7
Size:
>= 3 150 - < 4 000 µm
Distribution:
9.3 %
No.:
#8
Size:
>= 4 000 - < 5 000 µm
Distribution:
9.5 %
No.:
#9
Size:
> 5 000 µm
Distribution:
26.2 %
Executive summary:

In the non-GLP Klimisch 1 study from Bütfering (2012) the particle size distribution of Sulfosuccinic (FA C12-18)E, 2Na was determined by sieving using sieves with a mesh size of 125 to 5000 µm. The mass median diameter (MMD) of the test item is calculated to be 2865 µm. The X10 is 1030 µm and the X90 is > 5000 µm.

This study is considered relevant for the risk assessment

Description of key information

mass median diameter: 2865 µm

Additional information

In the non-GLP Klimisch 1 study from Bütfering (2012) the particle size distribution of Sulfosuccinic (FA C12-18)E, 2Na was determined by sieving using sieves with a mesh size of 125 to 5000 µm. The mass median diameter (MMD) of the test item is calculated to be 2865 µm. The X10 is 1030 µm and the X90 is > 5000 µm.

This study is considered relevant for the risk assessment