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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Density

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from September 25, 2007 to October 31, 2007
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 (incl. QA statement)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
ca. 1.517 other: dimensionless
Temp.:
20 °C
Conclusions:
Relative density of the test substance, Humic acids, sodium salts, is 1.517. Standard uncertainty 0.004.
Executive summary:

The relative density of the test substance was measured. The pycnometer method was used.

The procedure was performed according to the Method A.3 Relative density, Directive 92/69/EEC, published in OJ No L 383A, December 1992 (Standard CSN EN ISO 1183-1, part B).

Description of key information

Method A.3 Relative density, Directive 92/69/EEC, published in OJ No L 383 A, December 1992 (Standard ČSN EN ISO 1183-1, part B). 
GLP study

Key value for chemical safety assessment

Relative density at 20C:
1.51

Additional information

The relative density of the test substance was measured. The pycnometer method was used.

Relative density of the test substance, Humic acids, sodium salts, is 1.517.

Standard uncertainty 0.004.