4 re-evaluation – Metrohm 796 Titroprocessor User Manual
Page 231
10. Curves and re-evaluation
796 Titroprocessor, Instructions for use
225
225
Grid
Titration curve grid
on | off
The titration curve grid is only shown on the titration
curve printout. It cannot be shown on the screen.
An alteration to the representation parameters has a direct effect on the
presentation of the curve.
The curve can be printed out in the new presentation by pressing the,
<PRINT SCREEN> key or reproducing a complete curve report. By
pressing the
<PRINT>key the printer dialog window opens. After the
required mode has been selected with the cursor keys the [Select
report]
softkey allows the selection of the possible reports. Select either
V_Curve
(volume curve) or T_Curve (time curve) and then the quantity to
be shown.
10.4 Re-evaluation
For a re-evaluation (only for
DET and MET modes) all settings which have
an effect on the recognition of the equivalence point can be altered by
pressing the softkeys [* Param] and [EP Recogn.].
ЪДДД
EP Recognition
ДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДД¿
³ ³
³ Equivalence points window min. EPC 5.0 ³
³ Gen. lower limit pH min upp. pH max ³
³ pK/HNP Evaluation off ³
³ ³
³ Windows Fixendpoints ³
³ EP# from ... to [pH] EPC [] F# M.value [pH] ³
³ ДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДД ДДДДДДДДДДДДДДДДД ³
³ 1 min max 5.0 1 off ³
³ 2 off off 5.0 2 off ³
³ 3 off off 5.0 3 off ³
³ 4 off off 5.0 4 off ³
³ 5 off off 5.0 5 off ³
³ 6 off off 5.0 6 off ³
³ 7 off off 5.0 7 off ³
³ 8 off off 5.0 8 off ³
³ 9 off off 5.0 9 off ³
АДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДД QUIT ÄÙ
Details of the individual settings can be found on page 139ff.
Alterations of the evaluation parameters have no direct effect on the
presentation of the curve . This requires the complete recalculation of the
measuring data. This is done by changing to the results page. Press the
[Results]
softkey on the main page, change to the second softkey bar
and press [Recalc]. This brings all result calculations up to date and
shows the recalculated results.
The determination files with the newly calculated results and the altered
settings can be stored in a new determination file in a selectable memory
area by pressing the [File] softkey on the results page to call up the file
dialog window.