Metrohm 756 KF Coulometer - Manual (Page 39)

3.6 Parameters, key
756/831 KF Coulometer, Instructions of Use 31
3.6.1 Titration sequence
After the start, the activate pulse is outputted and the stir-
rer switched on.
The start delay time is allowed to elapse.
The solution is titrated until the EP is reached. The display
then shows
KFC wait
and the "COND" indicator blinks.
If the EP has been reached, the display shows
KFC ready
drift <=> 2.4 ug/min
The indicator "COND" is ON. The vessel is now condi-
tioned. The titration can be started with .
The sample identifications and the sample size are re-
quested. Without any of these requests, the display shows
for 6s
add sample
This waiting time of 6 s can be aborted with .
The pause is waited off.
The titration is carried out. If the extraction time has not
expired when the endpoint has been reached, the titration
will only be terminated when the extraction time has
elapsed.
Calculations are carried out.
Data are outputted.
Conditioning is carried out.
(Activate pulse)
(Stirrer ON)
(Start delay)
(Pause)
(Request ident.)
(Request smpl size)
(Extraction time)
Titration with test of
stop criterion
Calculations
Data output
Reconditioning
(Preconditioning)
(
(Activate pulse)
(Start delay)