Xylem ProLab 4000 - Manual (Page 113)

ProLab 4000 Ion concentration
113 ba75646e03 12/2012
9.6 Measuring with increment procedure (methods)
9.6.1 Selecting the measuring method
The following methods are supported:
 Standard addition
 Double standard addition
 Standard subtraction
 Sample addition
 Standard subtraction
 Blank value addition (Standard addition with blank value correction)
1 Perform the preparatory activities (see page 98).
2 Highlight the channel of the electrode in the measured value
display.
3 If necessary, select the ISE display with <MODE>.
4 If necessary, activate the burette control:
Measuring / Burettes settings... / Activate burettes ()
(see section 9.2.3).
5 Thoroughly rinse the electrode with distilled water.
6 Adjust the temperature of the calibration standard solutions.
7 Select a unit in the menu, Measuring / ISE settings / Units.
8 Select a method in the menu, Measuring / ISE methods.
The selected method is started (see page 114 ff).
Note
The methods described below show the procedure and some displays
of the active burette control.
If the burette control is not active, the [Dosing] button is not displayed.
Any solutions are added manually.