Registration Dossier

Administrative data

Endpoint:
density
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
July 2005
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study performed according to DIN guideline, limited documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report Date:
2005

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: DIN 51913
Type of method:
air comparison pycnometer (for solids)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Density
Type:
density
Density:
1.5 g/cm³
Temp.:
20 °C

Any other information on results incl. tables

Exact mean of 5 runs as given in study report: 1.4958 g/cm3, standard deviation: 0.0018 g/cm3.

The respective values for the volume were: average: 1.5137 cm3, standard deviation: 0.0018 cm3

Individual results:

Run No.

Volume

Deviation

Density

Deviation

1 *

1.5160

0.0023

1.4935

-0.0023

2 *

1.5181

0.0044

1.4914

-0.0044

3

1.5141

0.0005

1.4953

-0.0005

4

1.5158

0.0021

1.4937

-0.0021

5

1.5113

-0.0024

1.4981

0.0024

6

1.5123

-0.0014

1.4971

0.0013

7

1.5148

0.0012

1.4946

-0.0012

* excluded

Temperature given is approximate.

Applicant's summary and conclusion

Conclusions:
The density of the test item (mean of 5 runs) is 1.4958 g/cm3.
Executive summary:

The density of the test substance was determined with a gas pycnometer according to DIN guideline 51913. The density is 1.4958 g/cm3.