Registration Dossier

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
02/12/2008 to 17/02/2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP in accordance with recognised guideline.

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
air comparison pycnometer (for solids)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Density
Type:
relative density
Density:
1.75
Temp.:
21.2 °C

Any other information on results incl. tables

The relative density of the test material has been determined to be 1.75 at 21.2 ± 0.5°C.

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

Determination

P1

P2

Volume (cm3)

Density

A

17.501

7.677

32.835

1.75 x 103

B

17.629

7.737

32.939

1.75 x 103

Temperature:            21.2 ± 0.5°C

Mean density:           1.75 x 103 kg/m3

Relative density:        1.75

The relative density was calculated using Equation 6.1 to Equation 6.3.

Equation 6.1

V= VC- VR[(P1/P2)-1]

Equation 6.2

ρ=1000 m

     V

Equation 6.3

Relative density =    ρ  

                           ρH2O,4°C

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

Determination

P1

P2

Volume (cm3)

Density

A

17.501

7.677

32.835

1.75 x 103

B

17.629

7.737

32.939

1.75 x 103

Temperature:            21.2 ± 0.5°C

Mean density:           1.75 x 103kg/m3

Relative density:        1.75

  

Applicant's summary and conclusion

Conclusions:
The relative density of the test material has been determined to be 1.75 at 21.2 ± 0.5°C.

Executive summary:

In a determination of general physico-chemical properties study (Harlan project number: 0959/0224) the test material is shown to have a relative density of 1.75 at 21.2 ± 0.5°C. The determination was carried out using a gas comparison pycnometer (Quantachrome MVP-2), Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008.