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Density

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Reference
Endpoint:
relative density
Remarks:
Other density types indicated (migrated information): density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012-07-19
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
, 2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
, 1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Deviations:
no
GLP compliance:
no
Type of method:
air comparison pycnometer (for solids)
Type:
density
Density:
1.968 g/cm³
Temp.:
20 °C
Type:
density
Density:
1.97 g/cm³
Temp.:
20 °C
Type:
density
Density:
1.969 g/cm³
Temp.:
20 °C
Remarks on result:
other: mean of two measurements
Type:
relative density
Density:
1.97
Temp.:
20 °C
Remarks on result:
other: (compared to water at 4°C)

Results of the measurement of the density of the test item

Test No.  Temperature [°C] Test item chamber size Reference vessel No. Weight in of test item [g] Density [g/cm³]* 
 1  20  Small (25.62 cm³) 21.35 cm³  20.7407  1.96786
 2  20  Small (25.62 cm³) 21.35 cm³  20.1257  1.96993

*The pressurizing-expansion cycles are performed until 5 subsequent volume measurements have a relative standard deviation (RSD) >0.02%.

The mean density of the test item at 20 °C is 1.968895 g/cm³ (SD= 0.0015, RSD = 0.08 %). The relative density D(4)20 is calculated by dividing the density of the test item by the density of water at 4 °C (0.9999750 g/cm³).

The relative density is D(4)20 = 1.97

Conclusions:
According to OECD Test Guideline 109 (1995), the relative density D420 of the test item at 20°C ± 0.01°C (compared to water at 4°C) is D420 = 1.97.

Description of key information

The relative density D(4)20 of zirconium propionate is 1.97.

Key value for chemical safety assessment

Relative density at 20C:
1.97

Additional information

According to OECD Test Guideline 109 (1995), the relative density D(4)20 of the test item at 20 °C ± 0.01 °C (compared to water at 4 °C) is D(4)20 = 1.97.