multi EA 4000
Operation
87
6.4.3
Preparing the measuring cell
NOTICE
If the electrolyte dries on the combined electrode, it can damage the electrode. During
brief interruptions in operation, e.g. overnight, store the electrode in electrolyte solu-
tion.
Leave the electrode for 1-2 h in electrolyte solution prior to first use. Reproducible val-
ues are only possible after that. The filled measuring cell and electrode must be con-
nected to the device
before
the Cl module is switched on.
1.
Fill the electrolyte into the measuring cell base element (for the preparation of the
electrolyte see section "Preparing the electrolyte solution" p. 86):
"sensitive" cell: approx. 20 ml
"high concentration" cell: approx. 120 ml
2.
Place a magnetic stirring rod on the floor of the measuring cell.
3.
Attach the measuring cell cover with 3 knurled head screws.
4.
Place the measuring cell into the holder of the Cl module. Make sure that the pin of
the measuring cell points to the front and is engaged in the guide slot of the
holder.
1 Connection for the combined electrode
2 Measuring gas connection at the combined electrode
3 Olive with connected extraction hose
4 Measuring cell connection
5 Adsorption tube, filled with active carbon
5.
Insert the combined electrode and
hose olive with the extraction hose
into the openings of the measuring
cell cover provided.
6.
Connect the combined electrode
and the measuring cell to the con-
nections at the rear of the Cl mod-
ule.
7.
Push the measuring gas hose
(transparent) approx.
1 cm far
onto the end of the combined elec-
trode.
NOTICE!
If the hose is pushed too
far onto the electrode, it will get
stuck. When pulling off the hose,
the electrode might then break.
8.
Switch on the multi EA 4000 and
its device components (
→
see sec-
tion "Performing the Cl measure-
ment" p. 88).
9.
Perform an end point routine (
→
see section "End point routine" p. 88).
Once the end point routine has finished, the system is ready for measure-
ments.
10.
If necessary, test the cell using a direct method
Summary of Contents for Analytik Jena multi EA 4000
Page 1: ...Operating Manual multi EA 4000 Elementary analyzer C S and Cl solids analysis...
Page 50: ...Commissioning multi EA 4000 50 Figure 32 multi EA 4000 C S Hose diagram...
Page 52: ...Commissioning multi EA 4000 52 Figure 33 multi EA 4000 Cl Hose diagram...
Page 54: ...Commissioning multi EA 4000 54 Figure 34 multi EA C S Cl for C S measurements Hose diagrams...
Page 55: ...multi EA 4000 Commissioning 55 Figure 35 multi EA 4000 C S Cl for Cl measurements...
Page 57: ...multi EA 4000 Commissioning 57 Figure 36 Automatic TIC solids module Hose diagrams...
Page 58: ...Commissioning multi EA 4000 58 Figure 37 multi EA 4000 C S with automatic TIC solids module...
Page 61: ...multi EA 4000 Commissioning 61 Figure 39 multi EA 4000 C S Cl with man TIC solids module...
