|
Silver/silver
sulfate instead of mercury/mercury sulfate reference electrode
when you do not want to contain Cl-
in the gas-chemical measurement solution (e.g. analysis of Cl-)
or acidic, especially sulfuric acid, sulfuric acid-based electrolytes
A reference electrode is used.
Ag2SO4 (s) == 2 Ag (s) + 2e- +SO4=
References: "Reference Electrodes, Theory and Practice",
DJG Ives & GJ Janz, Academic Press, NY (1961)
|
vs.
NHE
|
Vs.
SCE
|
| Ag/Ag2SO4,
H2SO4 (0.5M) |
0.72V
|
0.48V
|
| Ag/Ag2SO4,
H2SO4 (1M) |
0.71V
|
0.47V
|
| Ag/Ag2SO4,
K2SO4(sat'd) |
0.68V
|
0.44V
|
PriceUSD
or EUR 158
|
|
