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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:
18 May 2010 - 18 May 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)
Type of method:
sieving
Type of distribution:
other: dry sieving
No.:
#1
Size:
< 45 µm
Distribution:
1.3 %
No.:
#1
Size:
< 100 µm
Distribution:
2 %
No.:
#2
Size:
100 - 180 µm
Distribution:
0.9 %
No.:
#3
Size:
180 - 250 µm
Distribution:
0.6 %
No.:
#4
Size:
250 - 500 µm
Distribution:
2.9 %
No.:
#5
Size:
500 - 2 000 µm
Distribution:
43.1 %
No.:
#6
Size:
> 2 000 µm
Distribution:
50.3 %
Conclusions:
The fraction of calcium nitrate tetrahydrate < 2000 µm, < 100 µm and < 45 µm was determined to be 50%, 2.0% and 1.3%, resp., using the CIPAC MT 59 dry-sieve method.

Description of key information

CIPAC MT 59 dry-sieve test result for calcium nitrate tetrahydrate: 50% is < 2000 µm, 2.0%  is < 100 µm and 1.3% is < 45 µm.

Additional information