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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:
25 April 2017 - 16 May 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
2 October 2012
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
June 2002
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
May 2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
TOXI-COOP ZRT. 8230 Balatonfüred, Arácsi út 97. Hungary
Type of method:
pycnometer method
Remarks:
Quantachrome
Key result
Type:
relative density
Density:
1.477 other: dimensionless
Temp.:
20 °C

The density of the test item was determined from five replicates at 20°C. The results are given in Table 1.

Table 1: Results of density measurments

 Sample Number  Sample mass [g]  Sample volume, [cm3]  Density of test item [g/cm3]
 1 1.6955 1.1502 1.4741
 2 1.2660 0.8569 1.4774
 3 1.2811  0.8737  1.4664
 4 1.2675  0.8397  1.5094
 5 1.2747  0.8737 1.4590
  Mean: 1.4773 
  Confidence interval (95%): 0.024
  RSD (CV%):  1.3
Conclusions:
The relative density of the test item was determined to be 1.4773 ± 0.024 (95 % confidence interval) at 20°C.
Executive summary:

The purpose of this study was to determine the relative density of test item using the pycnometer method according to OECD TG 109, EU Method A.3 and EPA OPPTS 830.7300. The density is calculated from the difference in weight between the full and empty pycnometer and its known volume. The relative density of the test item was determined to be 1.4773 ± 0.024 (95 % confidence interval) at 20°C.

Description of key information

The relative density of the test item was determined to be 1.4773 ± 0.024 (95 % confidence interval) at 20°C.

Key value for chemical safety assessment

Relative density at 20C:
1.477

Additional information

The purpose of this study was to determine the relative density of test item using the pycnometer method according to OECD TG 109, EU Method A.3 and EPA OPPTS 830.7300. The density is calculated from the difference in weight between the full and empty pycnometer and its known volume. The relative density of the test item was determined to be 1.4773 ± 0.024 (95 % confidence interval) at 20°C.