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Ring method measurements
Display
Relaxing
Finished
Displays the final
results:
Average (mN/m)
Standard
deviation (mN/m)
Temperature (°C)
Action
The liquid is moved downwards
again until the maximum force is
reduced by the percentage value
given under
automatic
The steps
Relaxing
measurement has been
completed.
The measurement is complete.
automatic
The data found are used to
display the mean value of the
interfacial tension, the standard
deviation and the temperature.
page 61
Explanation
Relaxation
.
Measuring
and
are repeated until all the
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