Solution menu, Speed, Titra lab – Hach-Lange TITRALAB 860_865 Reference Manual User Manual

Page 210

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Titra

Lab

®

TitraLab 860 and 865 Reference Manual

Page 210

Solution menu

This menu is available for pH electrode that are edited with the
Calibrate request = Yes option.

To access:

1.

From the Electrode window, press 4.

2.

Select the electrode to be edited.

3.

Press 2 Edit electrode and check that the Calibration
request = Yes option has been selected.

4.

Use the LEFT/RIGHT arrow keys to move to the last
Edit electrode display.

5.

Press 2 Calibration solutions.

Select the pH standard solutions to be used for the calibration. The
pH values are given at 25°C. The following values are available:
IUPAC pH standards (pH 1.679, 4.005, 6.865, 7.000, 7.413, 9.180,
10.012 or 12.454) or 4-7-10 Series (pH 4, 7 or 10).

Speed

Sets the speed of the burette used for dosing the increments during a
Monotonic IP or Dynamic IP titration.

When carrying out titrations where the reaction is very slow, decrease
the speed value. For titrations in non aqueous media, where a deposit
is created, the speed can also be decreased.

Enter in:

Method parameters menu (Monotonic IP or Dynamic IP).

Range available:

0.01 ml/min to 50 ml/min.

The maximum speed of a burette is the nominal volume
dispensed in 20 s (for 1 ml, 2 ml, 5 ml, 10 ml and 20 ml burettes)
and in 40 s (for 50 ml burette). In the example of a 10 ml burette,
it means that the speed will stay at 30 ml/min if a value is
entered within the range 30 ml/min - 50 ml/min.

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