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Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

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:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020
Report date:
2020

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
Deviations:
no
GLP compliance:
not specified
Type of method:
determination of fibre length and diameter distributions

Test material

Constituent 1
Reference substance name:
Halohydrin dehalogenase
Cas Number:
132421-41-1
IUPAC Name:
Halohydrin dehalogenase
Test material form:
solid
Details on test material:
Lot number PF 791

Results and discussion

Particle size distribution at different passagesopen allclose all
No.:
#2
Size:
>= 425 - < 2 000 µm
Distribution:
1.54 %
No.:
#3
Size:
>= 75 - < 425 µm
Distribution:
52.13 %
No.:
#4
Size:
< 75 µm
Distribution:
46.34 %

Applicant's summary and conclusion

Conclusions:
> 2.00 mm: 0.00%
2.00 mm to 425 μm: 1.54%
425 μm to 75 μm: 52.13%
<75 μm: 46.34%
Executive summary:

The particle size distribution was determined according to EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution). The particle size was, 46.34% at <75 μm, 52.13% between 75 μm and 4.25 μm, 1.54% between 4.25 μm and 2.0 mm and 0% > 2.0 mm.