Gerhardt Vapodest 50s carousel - Description Front View Vapodest Upper Part

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Vapodest 50s carousel
4.3.1. Description front view Vapodest upper part
 1 Basket(3versionsfordifferentsizedigestiontubesareavailable)
Takes the sample tubes. It should only be taken off to be cleaned or exchanged
(see also chapter 10.2.2.).
2 Tension Fork, Item-No. 1001575
Facilitates the fast and safe clamping of the basket. Push the tension fork down
to insert or lift the basket.
3 PTFE-inlet tubing, steam, Item-No. 1002178
Steam, water for dilution, and the suction of the sample residues passes through
here. Please check regularely that the opening of the PTFE-tube is not blocked
by crystallisation.
4 Ventilation valve, Item-No. 1000036
During and after distillation the ventilation valve prevents suck back of the
receiver solution into the condenser.
5 Screw cap GL 18, Item-No. 1004321
with silicone/PTFE seal
6 PTFE-Inlet tubing, NaOH, Item-No. 1003401
Sodium hydroxide solution enters here.
7 Distribution head PP, Item-No. 1000056
The distribution head prevents that any sample residue gets into the receiver.
8 Screw cap GL 32, Item-No. 1004322
With silicone/PTFE seal
9 Distillation condenser, Item-No. 1000059
Combined ball- and coil condenser with high cooling power.
10 Screw cap GL 14, Item-No. 1004320
With plastic screw connection
11 PP-Distributor with PP-threaded joint, Item-No. 1000538
12 Control panel Vapodest
See chapter "6.2 Control Panel"
13 Tube for ventilation valve, Item-No. 1000484
Connection tube to the ventilation valve
14 Distillate outlet tubing, silicone 8/12, Item-No. 1000496
15 pH electrode holder, Item-No. 1001257
The holder can be lled with potassium chloride solution 3.5 mol/l. Here you
can store the electrode when it is not in use to prevent from drying out.
16 pH-electrode (combined electrode), Item-No. 12-0355
Combined electrode with screw thread. For further details please check the
enclosed instructions by the electrode’s manufacturer.
17 Sensor for level detection, Item-No. 1001265
The built-in sensor stops the program if the receiver vessel overlls during the
distillation and titration.
18 Inlet tubing for titration acid, Item-No. 1001672
19 Stirring motor, Item-No. 1001266 with propeller, Item-No. 1001260
20 Tubing for suction of the distillate, Item-No. 1000498
21 Inlet tubing for boric acid, Item-No. 1000188
Is behind the tubing for suction of the distillate
22 Receiver vessel, Item-No. 1001269
For easy removal turn the glass through 90° and pull it downwards.
23 Drip tray for upper part, Item-No. 1001586
Condensate which might drip is collected in the drip tray. Make sure to clean
the tray regularly.
4 Description of the equipment