Hach-Lange TITRALAB 860_865 Reference Manual - Manual (Page 57)

Titra Lab ® TitraLab 860 and 865 Reference Manual
Page 57
Aux. action /
Aux. on for Refer to "Auxiliary output", page 56 .
Back reagent =
Titrant The reagent used for the back titration is the same as the titrant used
for the titration.
Press
✓ and define a back reagent different from the titrant in the
Parameters screen of the method.
Back reagent
unknown The method uses a back reagent which has not been defined.
Press
✓ and enter a back titration ID in the Parameters screen of the
method.
Back titration An excess of reagent is added to the sample and after a short time, the
excess is then back-titrated using the titrant.
In volumetric analysis, back titrations are useful when a direct titration
runs too slowly.
Back titration -
ID Name of the excess reagent to be added during the titration. This
name is entered directly using the keypad (max. 20 alphanumeric
characters), with the unit (mM, M, mN or N).
Enter in:
Edit method > Parameters menu (back titration method)