Registration Dossier

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Testing was conducted between 1st September to 10th October 2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Meets the criteria for classification as Reliable without restriction according to Klimisch et al (1997)

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: 92/69/EEC, A3 (Gas Comparison Pycnometer Method)
GLP compliance:
yes
Type of method:
pycnometer method

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Density
Type:
relative density
Density:
1.56 other: (corresponds to D4(20))
Temp.:
22 °C

Any other information on results incl. tables

Calibration

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

  Table 5.2
 Determination  P1  P2  Volume (cm3)  Certified Volume (cm3)  Tolerance (cm3)
 A  17.258  8.542  56.4  56.6  +/- 0.5
 B  17.234  8.532  56.5  56.6  +/- 0.5

Sample

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

  Table 5.3
 Determination P1  P2  Volume (cm3)  Density (Kg/m3)
 A  18.473  7.385  12.7  1.56 x 10(3)
 B  17.314  6.919  12.6  1.57 x 10(3)
Temperature: 22.2 +/- 0.5°C Mean density: 1.56 x l0(3) kg/m3 Relative density: 1.56 Calculation: the relative density was calculated using Equation 5.1 to Equation 5.3 which is displayed in pdf file attachment "Relative density calculation".

Applicant's summary and conclusion

Conclusions:
The relative density of the test material has been determined to be 1.56 at 22.2 +/-0.5°C
Executive summary:

Introduction

Method used is EU method A3. 92/69/EEC, (Gas Comparison Pycnometer Method)

Results and conclusion

The relative density of the test material has been determined to be 1.56 at 22.2 +/-0.5°C