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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:
21th February 2018 ~ 26th March 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
GLP compliance:
not specified
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
Laser scattering/diffraction
Type of particle tested:
other: samples as provided by study sponsor
Type of distribution:
other: Mie theory
Specific details on test material used for the study:
Sample name : ESA
Shape : White powder
Chemical name : 1,3,2-Dioxathiolane 2,2-dioxide
Mass median aerodynamic diameter:
1 870 µm
Percentile:
D90
Mean:
>= 2 545 - <= 2 914 µm
Remarks on result:
other: Cumulative diameter
Percentile:
D50
Mean:
>= 1 523 - <= 2 087 µm
Remarks on result:
other: Cumulative diameter
Percentile:
D10
Mean:
>= 658 - <= 1 077 µm
Remarks on result:
other: Cumulative diameter

 Particle size measure ment result

 

ESA of Diameter on cumulative

 

Measure No.

Unit

Diameter on

cumulative 10%

Diameter on

cumulative 50%

Diameter on

cumulative 90%

1

882

2087

2889

2

922

1997

2784

3

1077

2038

2914

4

902

1523

2545

5

658

1747

2700


 

Result I

 

Measure No.

Median Size ()

Mean particle size ()

1

2088

2017

2

1998

1948

3

2038

2028

4

1524

1632

5

1747

1723

Mean Size

1879

1870

 

Result II

 

Sample name

Refractive Index

Mean particle size ()

ESA

1.60

1870

 

Conclusions:
The average particle size of the ESA sample was 1870 µm after five times of particle size analysis by laser diffraction and scattering.
Executive summary:

The particle size was measured using the Laser diffraction / scattering method according to ISO 13320 : 2009.

Description of key information

The average particle size of the ESA sample was 1870 µm after five times of particle size analysis by laser diffraction and scattering.

ESA of Diameter on cumulative

 

Measure No.

Unit

Diameter on

cumulative 10%

Diameter on

cumulative 50%

Diameter on

cumulative 90%

1

882

2087

2889

2

922

1997

2784

3

1077

2038

2914

4

902

1523

2545

5

658

1747

2700

Additional information