Metrohm 757 VA Computrace Bedienungsanleitung PDF herunterladen (Seite 72)

6 Appendix

757 VA Computrace – Hardware

6.2 Options

Order No. Description

6.0728.010 Ag/AgCl reference system

with ceramic diaphragm

Together with the 6.1245.010 Electrolyte

vessel forms a complete reference

electrode (double-junction construction,

assembly, see section 3.5.2).

The Ag/AgCl reference system is

supplied with an empty holder screwed

on; the holder can be filled with the

desired reference electrolyte.

6.1204.XXX Electrode tip

Together with the 6.1246.000 Drive shaft forms the

stirrer. The following electrode tips are available:

Order No. Disk material Shaft material

6.1204.100 Ultra Trace Graphite PVC

6.1204.110 Glassy Carbon (GC) PEEK

6.1204.120 Pt PEEK

6.1204.130 Ag PEEK

6.1204.140 Au PEEK

6.1204.150 Au PEEK

Disk diameter: 2.0 +0 / –0.05 mm

Concentricity error: ≤ 0.2 mm

6.1241.020 Electrode holder

to take the 6.1247.000 glassy carbon rod

Together with the 6.1247.000 glassy carbon rod

forms the GC auxiliary electrode.

6.1246.000 Drive shaft for rotating disk electrode

incl. 2 O-rings FPM (Viton



)

Together with the 6.1204.XXX electrode tips

forms the rotating disk electrode (RDE).

52.5

∅2.1

∅7

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Metrohm 757 VA Computrace Bedienungsanleitung Seite 72