Metrohm 1.873.0014, Manual

Page: 87 / 192

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
4 Operation
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 :