Re-evaluation, recalculation – Metrohm VESUV User Manual
Page 92
Vesuv 3.0
6. Database
• 87
Re-evaluation, recalculation
Re-evaluation, recalculation
Right mouse button on the curve, Re-evaluation
The curves can be evaluated graphically.
Step by step procedure
1.
Select the type of evaluation.
2.
By using the keys
mouse button you can move the selected line along the
curve with the cursor. The EP-coordinates are continu-
ously displayed in the "Result" field.
Position the line(s).
3.
Use the
manually evaluated EP receives a different symbol. The
symbol can be specified under Properties, Endpoints.
4.
The evaluation lines can be retained and printed out
("Properties, Endpoints, Show evaluation lines").
5.
The original condition is returned to with the menu item
"Data, Original results" of the database.
Deleting an EP
1.
Select the EP: Click onto the text "EPX". The current EP
is shown in the "Active endpoint" field.
2.
Delete the EP with the
Evaluation possibilities
Move the cursor on the curve with the
the left mouse button.
Evaluation with intersection lines. The tangents are ap-
plied to the curve. The EP is defined as the intersection
of the tangents. This evaluation is used, for example, in
conductometric and photometric titrations.
Move Tangent 1 along the curve with the
and the left mouse button; move Tangent 2 with the
The curve sections can be zoomed (mouse).
For fine positioning, curve smoothing can be switched
on under Properties.