Nace CP 1 - Copper-Copper Sulfate Reference Electrode in Contact with Earth; Portable Copper-Copper Sulfate Reference Electrodes

Basic Chemistry and Basic Corrosion Theory 2:16
CP 1 – Cathodic Protection Tester Course Manual
© NACE International, 2000
02/01/05
non-conducting cylinder with a porous plug at the bottom, as shown in
Figures 2.14 and 2.15. The copper ions in the saturated solution prevent
corrosion of the copper rod and stabilize the reference electrode. This
electrode is portable.
Copper Rod
Saturated Copper
Sulfate Solution
Copper
Sulfate Crystals
Porous
Plug
Clear
Window
Connection
for Test Lead
Figure 2.14 Copper-Copper Sulfate Reference Electrode in Contact with
Earth
Figure 2.15 Portable Copper-Copper Sulfate Reference Electrodes