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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Description of key information

Divanadium pentaoxide - powder:  D50 = 1 - 84 µm

Divanadium pentaoxide - granules: D50 = 151.6 μm

Additional information

Divanadium pentaoxide - powder (range of three representative powders)

D10 = 0.5 -209 µm

D50 = 1.3 - 84 µm

D90 = 6 -197 µm

Divanadium pentaoxide - granules

D10 = 135 µm

D50 = 263 µm

D90 = 501 µm 

MMADs (bi-modal distribution) of airborne fraction (distribution fitted to cascade impactor data, percentile in parentheses indicates weighting factor) and Geometric standard deviation of MMAD (GSD)

Compound

D10

[µm]

d50

[µm]

D90

[µm]

P1*

[%]

MMAD1

[µm]

GSD1

[µm]

P2*

[%]

MMAD2

[µm]

GSD2

[µm]

V2O5 –Granules

134.7

262.8

501.1

0.9

8.87

2.71

99.1

32.20

1.52

V2O5– Powder a

0.56

8.43

51.12

2.2

4.80

2.03

97.8

23.06

1.27

V2O5- Powder b

0.5

1.3

6.1

3.5

4.99

2.03

96.5

44.78

1.85

V2O5– Powder c

2.09

83.24

196.63

7.9

7.72

2.56

92.1

32.56

1.54

* weighing factor for the first and second distribution of a bimodal lognormal distribution