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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
No GLP.
Principles of method if other than guideline:
The Particle Size Distribution was measured with a sieve analysis system.
GLP compliance:
no
Type of method:
sieving
Type of distribution:
other: sieve analysis
No.:
#1
Size:
2 mm
Distribution:
0.4 %
Remarks on result:
other: 10 Mesh
No.:
#2
Size:
1.5 mm
Distribution:
10.6 %
No.:
#3
Size:
1 mm
Distribution:
21.7 %
Remarks on result:
other: 18 Mesh
No.:
#4
Size:
0.75 mm
Distribution:
18.4 %
No.:
#5
Size:
0.5 mm
Distribution:
11.7 %
Remarks on result:
other: 35 Mesh
No.:
#6
Size:
0.4 mm
Distribution:
7.8 %
No.:
#7
Size:
0.25 mm
Distribution:
16.5 %
Remarks on result:
other: 60 Mesh
No.:
#8
Size:
< 0.25 mm
Distribution:
13 %

The average of 3 determinations is provided.

Conclusions:
The Particle Size Distribution was measured with a sieve analysis system. The average of 3 determinations is provided.
Executive summary:

The Particle Size Distribution was measured with a sieve analysis system. The average of 3 determinations is provided in the following table.

Table 1. Average results from three determinations of particle size distribution oh BHT

Size

%

 

2 mm (10 Mesh)

0.4

1,5 mm

10.6

1 mm (18 Mesh)

21.7

0,75 mm

18.4

0,50mm (35 Mesh)

11.7

0,40mm

7.8

0,250 mm (60 Mesh)

16.5

<0,250 mm

13.0

Description of key information

Well documented study no GLP.

The Particle Size Distribution was measured with a sieve analysis system. The average of 3 determinations is provided.

Size

%

 

2 mm (10 Mesh)

0.4

1,5 mm

10.6

1 mm (18 Mesh)

21.7

0,75 mm

18.4

0,50mm (35 Mesh)

11.7

0,40mm

7.8

0,250 mm (60 Mesh)

16.5

<0,250 mm

13.0

Additional information

Key study: The Particle Size Distribution was measured with a sieve analysis system. The average of 3 determinations is provided.