page 56 Ring method measurements
8.4 Measuring interfacial tension by the ring method
The two following subsections describe the course of the measurement for the
measuring methods
IFT pull
and
IFT push
.
Ö
Chapter 8.1.1 describes which method applies to which liquid system.
8.4.1 Interfacial tension pull
Check whether all the requirements contained in the check list (Ö ch. 6.5) have
been met.
Select the measuring mode
IFT-pull
. Start the measurement with ENT key.
The following table shows the course of the measurement:
Ring method: Interfacial tension pull
Display Action Explanation
Sample:
enter a name for the
liquid system
Insert the sample
and use the keypad
to enter a system
name.
Maximum 22 characters
Only if defined in
Setup:
In succession
Field
1
,
Field 2
,
Field 3
Enter the required
contents in the text
fields
The text fields, whose number is
defined in Setup, are called up in
succession (max. 3) and are used
to describe the measurement. The
text fields can be named in
LabDesk and these fields assigned
to the corresponding data of the
current measurement.
User:
please enter a
name
Use the keypad to
enter an operator
name.
Maximum 22 characters
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