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EC number: 948-409-1 | CAS number: 1945993-03-2
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Apr 28, 2017 - Aug 22, 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 65.14 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The mean surface tension of 1 g/L aqueous solution of FRET 12-0492 measured after 10 minutes of its preparation was 65.14 ± 0.38 mN/m at 20 °C.
- Executive summary:
The mean surface tension of 1 g/L aqueous solution of FRET 12-0492 measured after 10 minutes of its preparation was 65.14 ± 0.38 mN/m at 20 °C.
Reference
TABLE 1: Calibration Data and Correction Factor
Replication |
Literature Value (so) of Surface Tension of Water (at 20 °C) [mN/m] |
Force (sg) required to Detach the Ring from the Surface of the Water (at 20 °C) [mN/m] |
Correction Factor Φb=so/sg |
R1 |
72.75 |
70.5 |
1.03 |
R2 |
70.4 |
1.03 |
|
R3 |
71.0 |
1.02 |
|
R4 |
70.6 |
1.03 |
|
R5 |
70.4 |
1.03 |
|
Mean |
1.03 |
||
Standard Deviation |
0.004 |
||
TABLE 2: Calculation of Surface Tension
Replication |
Force (F) Required to Detach the Ring from the Surface of the Sample Solution (at 20 °C) [mN/m ] |
Correction Factor* Φb |
Corrected Surface Tension at 20 °C s= Φbx F [mN/m] |
R1 |
63.2 |
1.03 |
65.10 |
R2 |
63.0 |
64.89 |
|
R3 |
63.4 |
65.30 |
|
R4 |
63.5 |
65.41 |
|
R5 |
63.1 |
64.99 |
|
Mean |
65.14 |
||
Standard Deviation |
0.22 |
||
* TABLE 1
Description of key information
The mean surface tension of 1 g/L aqueous solution of FRET 12-0492 measured after 10 minutes of its preparation was 65.14 ± 0.38 mN/m at 20 °C.
Key value for chemical safety assessment
- Surface tension:
- 65.14
- in mN/m at 20°C and concentration in mg/L:
- 1
Additional information
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