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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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.