Registration Dossier

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Testing was conducted between 08 February 2008 and 11 March 2008.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted in compliance with agreed protocols, with no or minor deviation from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of relevant results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Date of inspection: 21/08/2007 Date of signature: 15/10/2007
Type of method:
pycnometer method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Sponsor's identification: Barium di(bistridecylsulfosuccinate) in mixture with Barium hydrogen phosphate
Description : pale yellow solid
Batch number : Y-T-1
Storage conditions: room temperature, in the dark

Results and discussion

Density
Type:
relative density
Density:
1 310 kg/m³
Temp.:
19.5 °C

Any other information on results incl. tables

Results:

 Calibration:

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

Determination

P1

P2

Volume (cm3)

Certified Volume (cm3)

Tolerance

(cm3)

A

17.225

8.529

56.491

56.6

± 0.5

B

17.255

8.542

56.451

56.6

± 0.5

Sample:

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

(kg/m3)

A

17.047

7.131

22.750

1.3103 x 103

B

16.984

6.956

18.104

1.3056 x 103

Temperature:               19.5 ± 0.5ºC
Mean density:              1.31 x 103 kg/m3
Relative density:           1.31

Applicant's summary and conclusion

Conclusions:
The relative density of the test material has been determined to be 1.31 at 19.5 ± 0.5°C.
Executive summary:

Relative Density. 1.31 at 19.5 ± 0.5°C, using a gas comparison pycnometer, Method A3 of Commission Directive 92/69/EEC.