Metrohm 743 Rancimat - Manual (Page 91)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4 Operation
743 Rancimat ￭￭￭￭￭￭￭￭ 83
4.6.4 Starting the determination
Before you can carry out the determination, the channels you intend to
use must be ready(see Chapter 4.6.8, page 86).
1 Start determination
￭ Start of an individual determination: Click on the button
[Start] of the corresponding channel.
￭ Start of all channels of Block A: Click on the button .
￭ Start of all channels of Block B: Click on the button .
After the determination has been started, the live curve is dis-
played for every channel:
As soon as a stop criterion defined in the method (see table 2, page
63) has been reached, the determination is ended:
The determination is automatically saved in the database
Repos.mrd. The channel is ready for starting a new determination.
2 Clean vessels and accessories
Note
Always clean the vessels and accessories directly after each
determination (see Chapter 4.6.5, page 83).
4.6.5 Cleaning the instrument and accessories
1 Clean the measuring vessels and accessories
￭ Clean used measuring vessels after pouring off the measuring
solution with ethanol or 2-propanol (do not use acetone!). Pre-
clean with washing-up liquid in the case of severe contamination.