Metrohm TitrIC 5 - Manual (Page 9)

Application Bulletin 319 e
Installation Instructions of TitrIC 5
Page 9/16
4.3 Overview of all the tubing connections
The three 60-cm-FEP-tubing connections (6.1850.060, supplied with 855) are used to connect
membrane pump 1 of the 855 and the three rinsing nozzles (6.2740.020, supplied with 855) to
openings 2, 5 and 7 of the external cell (see page 7).
The 60-cm-M8-PTFE-tubing connection (6.1805.510, supplied with 855) is used to connect
membrane pump 2 of the 855 and the M8 PTFE aspiration tip (6.1543.170, supplied with 855) to
opening 1 of the external cell (see page 7).
The two buret tips (6.1543.080) are each attached by a stopper (6.2730.030) to the titration head
(6.1462.050).
The two 80-cm-FEP-tubing connections (6.1850.110) are used to connect the buret tips
(6.1543.200) at the titration head (6.1462.050) and port 2 of the 10 mL and 50 mL Dosing Units.
The 60-cm-FEP-tubing connection (6.1850.060) is used to connect port 4 of 50 mL Dosing Unit
and opening 9 of the external cell (see page 7).
The 40-cm-FEP-tubing connection (6.1850.100, supplied with 807) is used to connect port 4 of the
10 mL Dosing Unit and the M6 opening of the eluent bottle attachment (6.1602.160); the FEP
aspiration tubing (6.1829.010, supplied with 807) should previously have been inserted. The
absorber tube (6.1609.000) is filled as usual with lime and cotton wool and inserted into the
opening provided for it in the eluent bottle attachment in order to protect the nitric acid from CO
2
.
The 40-cm-FEP-tubing connection (6.1850.100, supplied with 807) is used to connect port 1 of the
20 mL Dosing Unit and the buret tip in opening 3 of the external cell (see page 7).
The three 150-cm-FEP-tubing connections (6.1805.030) are connected to port 1 of the 10 mL and
the 50 mL Dosing Units, as well as port 3 of the 20 mL Dosing Unit; all three tubing connections
are then connected to the 10 L PE waste canister (6.1621.000).
Suitable lengths of the 0.97 mm PTFE capillary (6.1803.020) are used to connect port 3 of the
10 mL and the 50 mL Dosing Units (using the screws 6.2744.080 and 6.2744.070) and the
injection valves of the two 881 Compact IC pro. The 10 mL Dosing Unit must be connected to the
881 Compact IC pro for cations (2.881.0010) and the 50 mL Dosing Unit to the 881 Compact IC
pro for anions (2.881.0030).