Figure 19, Injection valve – connected – Metrohm 881 Compact IC pro – Cation User Manual

Page 43

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3 Installation

881 Compact IC pro – Cation

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35

1

2

3

4

5

6

1

2

3

4

5

6

7

7

7

7

Figure 19

Injection valve – connected

1

Injection valve

2

Sample loop
Connected to connectors 3 and 6.

3

Connection capillary
Connected to connector 4. Carries eluent to
the injection valve.

4

Connection capillary (column inlet
capillary)
Connected to connector 5. Carries eluent to
the separation column.

5

Connection capillary
Connected to connector 1. Carries sample to
the injection valve.

6

Connection capillary
Connected to connector 2. Carries sample to
the waste container.

7

PEEK pressure screw 6.2744.010

Replacing the sample loop
The sample loop can be replaced, depending on requirements. For addi-
tional information concerning selection of the appropriate sample loop,
see Chapter 3.13.3, page 37.

Note

Use only 6.2744.010 PEEK pressure screws for connecting capillaries
and sample loop to the injection valve.

1 Removing existing sample loop

Loosen 6.2744.010 pressure screws at connector 3 and connec-
tor 6.

Remove sample loop.

2 Mounting new sample loop

Fasten one end of the sample loop (19-2) with a 6.2744.010
PEEK pressure screw (19-7) to connector 3.

Fasten the other end of the sample loop (19-2) with a second
6.2744.010 PEEK pressure screw (19-7) to connector 6.

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