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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:
10 October 2011
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted in accordance with OECD and EU guidelines.
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
GLP compliance:
no
Type of method:
other: gas comparison pycnometer
Type:
relative density
Density:
5.29
Temp.:
22.8 °C
Two test series with different weights were performed at ambient temperature (22.8 °C).

 1st run

Weight 22.8029 g

p1 / psi

p2 / psi

Volume / cm3

Density PPR/ g / cm3

1. measurement

19.554

11.842

4.3126

5.2875

2. measurement

19.625

11.884

4.3194

5.2791

3. measurement

19.540

11.833

4.3162

5.2831

Mean

 

 

4.3161

5.2831

 

2ndrun

Weight 24.1996 g

p1 / psi

p2 / psi

Volume / cm3

Density PPR/ g / cm3

1. measurement

19.515

11.780

4.5745

5.2901

2. measurement

19.534

11.792

4.5709

5.2943

3. measurement

19.560

11.808

4.5688

5.2967

Mean

 

 

4.5714

5.2937


Mean density PPR for the two test series: 5.2884 g/cm3

Relative density (compared to water at 4 °C) D4R= PPR/PW4=5.288g/cm3/1.000g/cm3= 5.29


Conclusions:
The relative density of bismuth subnitrate at ambient temperature (compared to water at 4 °C) is D4R = 5.29. The ambient temperature was determined to be 22.8 °C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20 - 25 °C).
Executive summary:

The purpose of this study was the determination of the relative density of the test item according to the European Commission Regulation (EC) No. 440/2008, Part A: Methods for the determination of physico-chemical properties. A.3. Relative Density: method: Gas comparison pycnometer and OECD test guideline, OECD 109 (1995) Density of liquids and solids and DIN 66137-2 (2004): Determination of solid state density, Part 2: Gas pycnometry.

The relative density of bismuth subnitrate at ambient temperature (compared to water at 4 °C) is D4R = 5.29. The ambient temperature was determined to be 22.8 °C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20 - 25 °C).

Description of key information

The relative density of bismuth subnitrate at 22.8 degrees C is 5.29

Key value for chemical safety assessment

Relative density at 20C:
5.29

Additional information

The relative density of bismuth subnitrate at ambient temperature (compared to water at 4 °C) is D4R = 5.29. The ambient temperature was determined to be 22.8 °C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20 - 25 °C).