Malvern MPT-2, User Manual, Page: 43 / 85

Software and Control Chapter 3
MPT-2 & Degasser Page 3-9
Titration - Instructions
See the description in the Zetasizer Nano manual.
Additionally a prompt is available to instruct the operator to perform a clean
sequence before the measurement begins.
Starting a Titration SOP measurement
The system is now ready to start the actual measurement.
To start an SOP measurement, select Measure-Start SOP . The Open SOP dia-
logue will appear. Select the SOP that will be used and select Open . If an SOP has
not been specified for the sample, create one as described in the previous section.
The titration measurement will then follow the measurement sequence as detailed
in the Zetasizer Nano manual.

Any necessary pre-measurement instructions will appear.

This may be followed by a Labels dialogue, allowing the measurement to be
named and any other information about the measurement to be entered. Select
the
OK button when ready.

The Measurement display, discussed below, will now appear.

Follow the instructions on the status line of the measurement display and press
the
Start button to start the measurement.

The measurement sequence will complete and the results can be viewed - see
Displaying the results.
Measurement sequence
Note
The status bar will prompt for certain actions during the course of the
measurement.
A titration measurement performs exactly the same processes that are done when
performing a standard measurement, plus the inclusion of titration specific steps.
Predicted
volume Refer to description under the Titrants SOP dialogue.
Settings Description
MAN0318-4.0 - MPT-2 Autotitrator-Degasser.book Page 9 Tuesday, September 4, 2012 12:15 PM