Registration Dossier
Registration Dossier
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EC number: 433-180-8 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1999-02-01 to 1999-02-01
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study accoding to EU method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Details on test material:
- - Name of test material (as cited in study report): Reaktiv-Orange DYPR934
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 59.8 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 000 mg/L
- Remarks on result:
- other: Final Result: W = 59.8 mN/m (after Harkins-Jordan correction)
Any other information on results incl. tables
Results:
Aqueous solution of substance with conc. of 1.0 g/l was prepared.
Six measurements at 20 °C every 5 min were done
measurement |
1 |
2 |
3 |
4 |
5 |
6 |
Time (min) |
5 |
10 |
15 |
20 |
25 |
30 |
W (mN/m) |
60.7 |
60.6 |
60.4 |
60.3 |
60.3 |
60.2 |
Mean value, multiplied by the calibration factor yields: WF= 60.66 mN/n
Final Result:
W = 59.8 mN/m (after Harkins-Jordan correction)
Applicant's summary and conclusion
- Conclusions:
- Final Result:
W = 59.8 mN/m (after Harkins-Jordan correction) - Executive summary:
W = 59.8 mN/m (after Harkins-Jordan correction)
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