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Diss Factsheets

Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method
Type:
relative density
Density:
ca. 1 352 kg/m³
Temp.:
20 °C
 Run Number  1  2
 Mass of Empty Pycnometer (g)  20.84  20.84
 Mass of Sample & Pycnometer (g)  27.57  28.12
 Mass of Sample added to empty Pycnometer (g) (ms)  6.73  7.29
 Mass of Sample, Pycnometer & Immersion liquid  46.71  46.89
 Mass of immersion liquid added (g) (m2)  19.14  18.77
 Calculated Density of Sample (g/cm3)  1.350  1.354
 Density of Sample (kg/m3)(ρs)  1350  1354
 Mean Result (kg/m-3)      1352

Calculated value for the density of immersion liquid =956 kg.m-3@ 20°C


Conclusions:
The mean result for Relative density for Thio-Acid is (D 20 4) 1.352
Sample density 1352 kg.m-3 @ 20°C
Executive summary:

The test is conducted to determine the relative density of a solid or liquid substance. For solids or liquids, pycnometers of various shapes and with known volumes may be employed. The density is calculated from the difference in weight between the full and empty pycnometer and its known volume. The tests are run at a constant temperature, preferably 20°C, and at least two measurements are generally performed.

The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A3.

The mean result for Relative density for Thio-Acid at 20°C is 1352 kg/m-3.

Description of key information

The mean result for Relative density for Thio-Acid is (D 20 4) 1.352

Sample density 1352 kg.m-3 @ 20°C

Key value for chemical safety assessment

Relative density at 20C:
1.352

Additional information

The test is conducted to determine the relative density of a solid or liquid substance. For solids or liquids, pycnometers of various shapes and with known volumes may be employed. The density is calculated from the difference in weight between the full and empty pycnometer and its known volume. The tests are run at a constant temperature, preferably 20°C, and at least two measurements are generally performed.

The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A3.

The mean result for Relative density for Thio-Acid at 20°C is 1352 kg/m-3.