Roche Diagnostics
Instructions for Use · Version 10.0 61
9180 Electrolyte Analyzer 4 Theoretical foundation
Electrode specifications
Lithium electrode
The lithium electrode is a membrane electrode used for in vitro diagnostic
measurement of lithium ions present in fluid samples. It is designated with a Li
+
marking on the top surface of the housing.
Construction
Figure 4-7 Lithium electrode
Use and care
Lithium electrodes are manufactured for use in 9180 Electrolyte Analyzers.
Proper care should be used in handling and storage of the electrode. Never use strong
or abrasive cleaners such as alcohol or amphyl on the electrode since these will
damage the plastic housing.
Store the electrode in a clean, dry place only after the electrode has been cleaned and
rinsed with distilled water and dried with a lint-free cloth.
The o-ring seal should be installed in the electrode during storage.
Electrode housing:
transparent acrylic plastic
Measuring membrane:
lithium ion selective
Electrolyte chamber:
airtight, filled with electrolyte solution for Li
+
electrodes
Pin connector:
silver, silver chloride (Ag / AgCl)
A Inner electrode E Ion-selective electrode
B Sample path F Electrolyte chamber
C Marking G Connecting pin
D O-ring seal H Marking - serial number - 5 digit lot number
B
D
E
G
H
C
F
A
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