Metrohm Multi-Mode Electrode pro - Manual (Page 53)

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6 Technical specifications
6.1246.120 Multi-Mode-Electrode pro
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6 Technical specifications
Electrode types ￭ DME (Dripping Mercury Electrode)
￭ HMDE (Hanging Mercury Drop Electrode)
￭ SMDE (Static Mercury Drop Electrode)
Drop surface 0.15 - 0.60 mm 2 (HMDE and SMDE)
Glass capillary
Non-silanized
glass capillary
(6.1226.030) For polarography at the DME or SMDE and voltammetry at the HMDE
in alkaline solutions and in solvents.
Inner diameter = 0.05 mm
Silanized glass
capillary
(6.1226.050) For voltammetry at the HMDE in acidic, neutral an slightly alkaline solu-
tions (pH < 10). No solvents.
Inner diameter = 0.05 mm
Mercury reservoir 6 mL corresponds 81.2 g (for approximately 200000 mercury drops)
Mercury quality Mercury, min. purity w(Hg) = 99.9995 %
Inert gas supply Inert gas (in general ultrapure nitrogen N
2
min "4.5" (= 99.995%)
Pressure = 1.0 - 1.2 bar