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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:
2008-08-29 to 2008-10-02
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Qualifier:
according to guideline
Guideline:
other: CIPAC, Physico-chemical Methods for Technical and Formulated Pesticides, MT 59: "Sieve Analysis"; CIPAC Handbock Volume F, 1995.
Deviations:
yes
Remarks:
see "Any other information on materials and method incl. tables"
GLP compliance:
yes (incl. QA statement)
Remarks:
Food and Consumer Product Safety Authority (VWA), Den Haag, The Netherlands
Type of method:
sieving
Type of distribution:
mass based distribution
No.:
#1
Size:
< 100 µm
Distribution:
0.8 %
No.:
#2
Size:
>= 100 - < 125 µm
Distribution:
0.4 %
No.:
#3
Size:
>= 125 - < 180 µm
Distribution:
0.7 %
No.:
#4
Size:
>= 180 - < 250 µm
Distribution:
1 %
No.:
#5
Size:
>= 250 - < 500 µm
Distribution:
3.4 %
No.:
#6
Size:
>= 500 - <= 2 000 µm
Distribution:
17.7 %
No.:
#7
Size:
> 2 000 µm
Distribution:
76 %
Conclusions:
The particle size distribution of MATMD was determined by sieving. Sieving was carried out dry, by a process of shaking.
Fraction Amount [%]
<100 µm 0.8
100- 125 µm 0.4
125-180 µm 0.7
180-250 µm 1.0
250-500 µm 3.4
500-2000 µm 17.7
>2000 µm 76.0

Description of key information

The particle size distribution of MATMD was determined by sieving (CIPACT MT 59).

Sieving was carried out dry, by a process of shaking.

Fraction          Amount [%]

<100 µm            0.8

100- 125 µm     0.4

125-180 µm      0.7

180-250 µm      1.0

250-500 µm      3.4

500-2000 µm  17.7

>2000 µm        76.0

Additional information