Registration Dossier

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-08-07
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study performed to accepted 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:
no
Type of method:
air comparison pycnometer (for solids)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): MnSO4 (Erachem/Eramet) (NOTE: the batch number is the same as used in the water study conducted to GLP and stated as manganese sulphate monohydrate, supporting by the CoA in the report)
- Substance type: Extremely pale pink powder
- Physical state: Solid
- Lot/batch No.: 08729
- Storage condition of test material: Room temperature in the dark

Results and discussion

Density
Type:
relative density
Density:
2.93
Temp.:
22 °C

Any other information on results incl. tables

Table 2: Results from the 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

16.983

8.407

56.444

56.6

± 0.5

B

17.122

8.475

56.426

56.6

± 0.5

 

Table 2: Tabulated results from the sample

 

The pressure reading, 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

17.006

7.009

19.498

2.93 x 103

B

17.084

6.990

17.883

2.92 x 103

Temperature: 22.0 ± 0.5 °C

Mean density: 2.92 x 103kg/m3

Relative density: 2.93

 

Applicant's summary and conclusion

Conclusions:
The relative density of MnSO4 was determined to be 2.93 at a temperature of 22 ± 0.5 °C