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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 5th, 2016.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to
Guideline:
other: CIPAC MT 3.2.1
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
pycnometer method
Remarks:
Gay-Lussac pycnometer (ISO 3507:1999)
Type:
density
Density:
1.447 g/cm³
Temp.:
20 °C
Key result
Type:
relative density
Density:
1.447 g/cm³
Temp.:
20 °C

Table 1. Results of the density determination.

Test No.

Mass of empty pycnometer

Mass of pycnometer with water

Mass of pycnometer with immersing liquid

Mass of pycnometer with tested material

Mass of pycnometer with tested material and immersing liquid

Density

m0

m1

m2

m3

m4

(g)

(g)

(g)

(g)

(g)

(g/ml)

1

24.1475

49.4091

42.8722

33.1337

47.2383

1.4374

2

24.1476

49.4093

42.8721

33.7460

47.6004

1.4565

 

 

 

 

 

Average

1.447

Conclusions:
The relative density of the test item was found to be 1.447.
Executive summary:

The density determination of the test item, using the Gay-Lussac pycnometer in accordance with EU Method A3 (CIPAC MT 3.2.1) was based in measuring the mass of the substance occupying a unit volume at 20˚C (GLP study). The average measured absolute density at 20°C was 1.447 g/ml, and the average calculated relative density at 20°C temperature was 1.447.

Description of key information

Key study. Method according to EU Method A3 (CIPAC MT 3.2.1), GLP study. The average absolute density at 20°C was 1.447 g/ml, and the relative density was 1.447.

Key value for chemical safety assessment

Relative density at 20C:
1.447

Additional information

The density determination of the test item, using the Gay-Lussac pycnometer in accordance with EU Method A3 (CIPAC MT 3.2.1) was based in measuring the mass of the substance occupying a unit volume at 20˚C (GLP study). The average measured absolute density at 20°C was 1.447 g/ml, and the average calculated relative density at 20°C temperature was 1.447.