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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:
21 June 2016 to 22 June 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Key result
Type:
density
Density:
1 255 kg/m³
Temp.:
20 °C
Key result
Type:
relative density
Density:
1.255
Temp.:
20 °C

Table 1: Determining the Density of the Sample

Value

Run Number

1

2

Mass of Empty Pycnometer (g)

23.91

23.91

Mass of Sample & Pycnometer (g)

36.51

35.72

Mass of Sample added to empty Pycnometer (g) ms

12.60

11.81

Mass of Sample, Pycnometer & immersion liquid

50.93

50.82

Mass of immersion liquid added (g) m2

14.41

15.10

Calculated Density of Sample (g/cm^3)

1.249

1.260

Density of Sample (kg/m^3)

1249

1260

Mean Result (kg.m^-3)

1255

Conclusions:
Under the conditions of this study the density of the test material was 1255 kg.m^-3 at 20 °C. The relative density was 1.255.
Executive summary:

The relative density of the test material was investigated in accordance with the standardised guidelines OECD 109 and EU Method A.3, under GLP conditions using the pycnometer method.

The density of the test material was calculated from the difference in weight between the full and empty pycnometer and its known volume (25 mL). The test was run at a constant temperature, 20 °C, and at least two measurements were performed.

Under the conditions of this study the density of the test material was 1255 kg.m^-3 at 20 °C. The relative density was 1.255.

Description of key information

Under the conditions of this study the density of the test material was 1255 kg.m^-3 at 20 °C. The relative density was 1.255.

Key value for chemical safety assessment

Relative density at 20C:
1.255

Additional information

The relative density of the test material was investigated in accordance with the standardised guidelines OECD 109 and EU Method A.3, under GLP conditions using the pycnometer method. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The density of the test material was calculated from the difference in weight between the full and empty pycnometer and its known volume (25 mL). The test was run at a constant temperature, 20 °C, and at least two measurements were performed.

Under the conditions of this study the density of the test material was 1255 kg.m^-3 at 20 °C. The relative density was 1.255.

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