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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:
March 21, 2006 - March 24, 2006
Reliability:
2 (reliable with restrictions)
Principles of method if other than guideline:
measuring conditions:
feeder: VIBRI
pressure: 0.96 bar
vacuum: 51 mbar
feed rate: 100 %
funnel gap: 0.50 mm
revolution: 0%
measuring range: R2: 0.25/0.45....87.5 μm
measuring duration: 1 s
cycle time: 1000 ms
start when: 1% at C.Opt
reference measurement: 00:01:13, 0%
evaluation: HRLD
GLP compliance:
not specified
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Percentile:
other: 99
Mean:
<= 36.2 µm
Remarks on result:
other: St dev. not specified
Percentile:
other: 90
Mean:
<= 23.13 µm
Remarks on result:
other: St dev. not specified
Percentile:
other: 84
Mean:
<= 18.84 µm
Remarks on result:
other: St dev. not specified
Percentile:
other: 50
Mean:
<= 7.21 µm
Remarks on result:
other: St dev. not specified
Percentile:
other: 16
Mean:
<= 2.2 µm
Remarks on result:
other: St dev. not specified
Percentile:
other: 10
Mean:
<= 1.51 µm
Remarks on result:
other: St dev. not specified
Conclusions:
Volume size distribution
x10= 1.51 μm
x16= 2.20 μm
x50= 7.21 μm
x84= 18.84 μm
x90= 23.13 μm
x99= 36.20 μm
VMD= 9.96 μm
Sv= 1.68 m²/cm3
c_opt= 7.08%
Executive summary:

Volume size distribution

x10= 1.51 μm

x16= 2.20 μm

x50= 7.21 μm

x84= 18.84 μm

x90= 23.13 μm

x99= 36.20 μm

VMD= 9.96 μm

Sv= 1.68 m²/cm3

c_opt= 7.08%

Description of key information

Volume size distribution
x10= 1.51 μm
x16= 2.20 μm
x50= 7.21 μm
x84= 18.84 μm
x90= 23.13 μm
x99= 36.20 μm
VMD= 9.96 μm
Sv= 1.68 m²/cm3
c_opt= 7.08%

Additional information