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Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08 January 2009 to 26 February 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 relevant results.

Data source

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

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: 19 August 2008; Date of signature: 04 March 2009
Type of method:
pycnometer method

Test material

Constituent 1
Details on test material:
Sponsor's identification : H-MI ammonium salt
Description : dark red solid
Batch number : MB-1
Date received : 04 December 2008
Storage conditions : room temperature in the dark

Results and discussion

Density
Type:
relative density
Density:
1.41
Temp.:
21 °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 2

Determination

P1

P2

Volume (cm3)

Certified Volume (cm3)

Tolerance

(cm3)

A

17.159

8.490

56.354

56.6

± 0.5

B

17.021

8.423

56.382

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 3

Determination

P1

P2

Volume (cm3)

Density

(kg/m3)

A

17.002

7.348

29.729

1.40 x 103

B

17.042

7.487

33.150

1.42 x 103

Temperature: 21.0 ± 0.5ºC
Mean density:           1.41 x 103 kg/m3
Relative density:       1.41

Applicant's summary and conclusion

Conclusions:
The relative density of the test material has been determined to be 1.41 at 21.0 ± 0.5°C.
Executive summary:

1.41 at 21.0 ± 0.5°C, using a gas comparison pycnometer, Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008.