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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:
1993-12-06 to 1994-04-20
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
1992
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
1981
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
signed 1994-03-16
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
relative density
Density:
1.136
Temp.:
21 °C
Type:
density
Density:
1 136 kg/m³
Temp.:
21 °C

ZERO READING

Test 1: 0.27 mL

Test 2: 0.22 mL

Mean zero reading = 0.25 mL

CALIBRATION

Test Ball 1 Test Ball 2
Tolerance [mL] 8.48 - 8.68 28.86 - 29.06
Measured volume [mL] 8.75 29.13
Measured volume zero reading [mL] 8.50 28.88

SAMPLE

     Determination    
1 2
(a) Mass of sample cup [g] 102.7196 102.7194
(b) Volume of test material [ml] 6.96 8.09
(c) Mass of sample cup and test material [g] 110.3397 111.6344
(d) Zero reading [ml] 0.25 0.25
Density of test material [kg/m³] 1135.6 1137.1

Mean density of test material = 1136.4 kg/m³

Density of water at 4.0 °C . = 1000.0 kg/m³

Relative density of the test item = 1136.4 / 1000.0 = 1.1364.

Conclusions:
According to Council Directive 92/69/EEC A.3 and OECD Guideline 109 (1981), the relative density of the test item at 21 °C (compared to water at 4 °C) is D21/4 = 1.136.

Description of key information

The relative density of the test item at 21 °C (compared to water at 4 °C) is D21/4 = 1.136.

Key value for chemical safety assessment

Additional information