Metrohm 873 Biodiesel Rancimat Manual - Manual (Page 87)

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873 Biodiesel Rancimat ￭￭￭￭￭￭￭￭ 79
4 Insert and connect reaction vessels
Note
The temperature defined in the method must be reached, before you
insert the reaction vessels, i.e. the frame of the button [Heat to xx
°C] must be green.
￭ Seal the channels not used with the sealing plugs or empty reaction
vessels for protection against impurities.
￭ Insert the prepared reaction vessels into the openings of the heating
block.
￭ Connect the Iso-Versinic ® tubings, which are fastened to the reac-
tion vessel cover, to the tubing adapter M8 / olive (5- 11 ) of the
measuring vessel covers.
￭ Screw the FEP tubings 250 mm (5- 1 ) to the thread adapters (5- 3 )
of the reaction vessel covers and the air supply connections (3- 3 ) of
the Biodiesel Rancimat.
4.6.3 Starting the determination
Before you can carry out the determination, the channels you intend to use
must be ready(see Chapter 4.6.7, page 82).
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 displayed
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: