36 Chapter 3
Reference element and filling Potential Radiometer Analytical
solution versus SHE Electrodes
Hg/Hg
2
Cl
2
- Saturated KCl +244 mV pHC4000, pHC4001, pHC4006,
SCE: Saturated Calomel Electrode
XC601, REF401, REF421,
REF451, XR100, XR110,
XR130, XR150, MC408Pt
Hg/Hg
2
Cl
2
- 1M LiCl +280 mV REF921
Hg/Hg
2
SO
4
- Saturated K
2
SO
4
+651 mV REF601, REF621, XR200,
XR230, MC602Pt, MC6091Ag
Hg/Hg
2
SO
4
- 1 M H
2
SO
4
+616 mV
Hg/HgO - 0.1 M KOH +174 mV XR400, XR430, XR440
Ag/AgCl - Saturated KCl +199 mV XR300, XR820, XC100, XC111,
XC120, XC161, XC200, XC250,
Ag/AgCl - 3 M KCl +208 mV pHC3001, pHC3005, pHC3006,
pHC3011, pHC3081, pHC3185,
REF321, REF361, MC3051Pt,
ISEC301F
Ag/AgCl - 1 M KCl +235 mV
Ag/AgCl - 0.6 M KCl (sea water) +250 mV
Red Rod - Saturated KCl +199 mV pHC2001, pHC2002, pHC2003,
pHC2005, pHC2011, pHC2015,
pHC2051, pHC2085, pHC2401,
pHC2441, pHC2501, pHC2601,
pHC2701, REF200, REF201,
REF251, REF261, MC2095Sb,
MC201Au-8