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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
Study period:
06 January 2012 to 16 March 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study was conducted in accordance with accepted principles in order to meet the requirements of Commission Regulation (EC) No. 440/2008 and the OECD Guidelines for the Testing of Chemicals.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of distribution:
mass based distribution

Test material

Constituent 1
Reference substance name:
Phenylphosphonic acid, zinc salt
IUPAC Name:
Phenylphosphonic acid, zinc salt
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
- Name of test material (as cited in study report): Phenylphosphonic acid, zinc salt
- Substance type: inorganic
- Physical state: Powder
- Analytical purity: > 99%
- Lot/batch No.: 1408
- Expiration date of the lot/batch: Not before 30 June 2012
- Storage condition of test material: Room temperature, dark, desiccated
- Other: Date received 21 December 2011

Results and discussion

Particle size
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 105 - 130 µm
Distribution:
0 %
Remarks on result:
other: Mass
No.:
#2
Size:
> 60 - 105 µm
Distribution:
0 %
Remarks on result:
other: Mass
No.:
#3
Size:
> 30 - 60 µm
Distribution:
0 %
Remarks on result:
other: Mass
No.:
#4
Size:
> 10.4 - 30 µm
Distribution:
0 %
Remarks on result:
other: Mass
No.:
#5
Size:
> 0.5 - 10.4 µm
Distribution:
0 %
Remarks on result:
other: Mass

Any other information on results incl. tables

The observed particles were irregular and crystalline in nature.

Applicant's summary and conclusion

Conclusions:
The results indicated that 100% w/w of Phenylphosphonic acid, zinc salt was smaller than 10 μm.

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