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Physical & Chemical properties

Density

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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:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
1.5
Temp.:
20 °C
Conclusions:
Relative density of the test substance, Humic acids, potassium salts, is 1.499. Standard uncertainty 0.005.
Executive summary:

The relative density of the test substance, Humic acids, potassium salts, 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). Relative density of the test substance, Humic acids, potassium salts, is 1.499. Standard uncertainty 0.005.

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:
1.5

Additional information

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

Relative density of the test substance, Humic acids, potassium salts, is 1.499.

Standard uncertainty 0.005.