Registration Dossier

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Testing was conducted between 29 April 2009 and 17 June 2009.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
Date of Signature: 04/03/09 Date of Inspection: 19/08/08
Type of method:
pycnometer method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Details on test material:
Sponsor's identification : PDE-28
Description : red powder
Purity : 97%
Batch number : 1RF-8017
Date received : 23 March 2009
Storage conditions : room temperature, in the dark

Results and discussion

Density
Type:
relative density
Density:
1.42
Temp.:
20.5 °C

Any other information on results incl. tables

 Calibration:

The pressure readings (P1and P2) and the calculated volume for the calibration ball are shown in the following table:

Table 1:

Determination

P1

P2

Volume (cm3)

Certified Volume (cm3)

Tolerance

(cm3)

A

17.113

8.470

56.414

56.6

± 0.5

B

17.364

8.593

56.388

56.6

± 0.5

 Sample:

The pressure readings, calculated volumes and density values obtained for the test material are shown in the following table:

Table 2:

Determination

P1

P2

Volume (cm3)

Density

(kg/m3)

A

17.025

7.126

22.879

1.4099 x 103

B

17.462

7.651

32.595

1.4259 x 103

Temperature: 20.5 ± 0.5ºC
Mean density:           1.42 x 103 kg/m3
Relative density:        1.42

 

Applicant's summary and conclusion

Conclusions:
The relative density of the test material has been determined to be 1.42 at 20.5 ± 0.5°C.
Executive summary:

Relative Density:

1.42 at 20.5 ± 0.5°C, using a gas comparison pycnoter, Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008.