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Diss Factsheets

Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19/12/2014 – 22/12/2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Conducted at a GLP accredited laboratory
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
GLP compliance:
yes
Type of method:
ring method
Surface tension:
61.5 mN/m
Temp.:
20 °C
Conc.:
90 other: % saturated solution
Remarks on result:
other:
Remarks:
mean value

Measured value of the surface tension of water : 71.6 mN.m-1

EC standard reading for surface tension of water : 72.75 mN.m-1

Sample Preparation and Analysis:

Sample reacts with water slowly to form a white solid. Sample was shaken for 1 hour before filtering and dilution to obtain the result below.

Surface tension data:

Solution Age (minutes)     Surface Tension Reading (mN/m)
   Run 1  
 1 70.1 
30    65.6 
60    62.9 
120    61.5 
180    61.5 
240    61.5 
   Run 2  
 1   70.3 
30    66.2 
60    62.1 
120    61.4 
180    61.4 
240    61.4 

Result : 61.5 mN.m-1 (mean value)

Conclusions:
Result : 61.5 mN.m-1 (mean value)

Description of key information

The surface tension was measured using the Ring Method. Result : 61.5 mN.m-1 (mean value).

Key value for chemical safety assessment

Surface tension:
61.5

Additional information