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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:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: ASTM E323-09 standard specification for perforated plate sieves for testing purposes
GLP compliance:
not specified
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
sieving
Type of distribution:
volumetric distribution
Percentile:
D50
Mean:
< 45 µm
Remarks on result:
other: no information on std dev
Percentile:
other: D80
Mean:
1 776 µm
Remarks on result:
other: no information on std dev
Remarks on result:
other: see table below and figure attached

Particle size distribution of copper cement (see also figure attached)

Size

 

Retained

 

mesh

 mm

g

%

6

3.36

3.22

1.65

8

2.38

17.31

8.88

16

1.19

40.61

20.83

20

0.841

10.68

5.48

30

0.595

9.24

4.74

40

0.42

5.69

2.92

50

0.297

2.39

1.23

140

0.105

6.05

3.10

200

0.075

0.30

0.15

325

0.045

1.04

0.53

 

-0.045

98.47

50.50

Sum

 

195.00

100.00
Conclusions:
test done according to standard protocol, useful to assess the characteristic of the substance
Executive summary:

The particle size of the substance was determined by sieving.

The D50 of the substance is <45 µm, the D80 is 1776 µm..

Description of key information

The D50 of the substance is <45 µm, the D80 is 1776 µm (Outotec, 2010).

Additional information