Mercurous Sulfate Reference Electrode Hg/Hg2SO4 B14 (Pack of 2pcs)
MTX Labs






It is a compact and refillable non-aqueous Ag/Ag+ reference electrode equipped with ceramic frit molten into the glass body. Ag/Ag+ reference electrode consists of a silver wire immersed into an electrolyte containing silver ions. This electrode outperforms competing products in terms of mechanical stability, voltage stability, and lifetime. In general, the reference electrode is composed of a system of phases, which retain an essentially constant composition and therefore provides a stable potential by which the working electrode potential can be monitored. The phases present in reference electrodes undergo reversible redox processes at a very high rate, enabling them to rapidly adjust to changes in the solution’s ionic activity, but leaving them sensitive to the passage of large current densities. The included FFKM O-Ring well fits organic electrolyte requirements.
Application note This type of reference electrode is commonly employed in non-aqueous electrochemical studies, i.e. whenever a solvent based electrolyte is used. The reference electrode should be stored with the rubber plug applied on the tip. Storing in the solution may shorten its lifetime (the electrode operates well as long as there is at least ¼ of the solution in the electrode tube). Before use, rinse it with acetonitrile, acetone, isopropanol, or ethanol. If air bubbles are present around the porous frit, flick the tip several times to remove them. For cleaning, use acetonitrile, acetone, isopropanol, or ethanol. To re-fill the electrode please follow this article.
Product includes 1x non-aqueous Ag/Ag+ reference electrode 1x O-ring 1x glass tube for storing purposes
Operating Temperature
0-75 deg C
Other properties
2-10 kohm at RT
Electrode Type / Role
Reference Electrode (RE)
Electrode Body Material
Glass
Body Diameter (lower)
6 mm
Electrode Body Length (mm)
30 mm, 70 mm
Electrode Connector Type
Gold plated pin
Reference Electrode Type
Ag/Ag+ (0.01M AgNO3 and 0.1M TBAP in acetonitrile)
Junction/Frite Material (Reference Electrode)
Ceramic porous frit
Sent directly to Redoxme
Sent directly to Redoxme
Refillable (Reference Electrode)
Yes
Typical variance (mV)
<5
Reference Electrode System
Ag/Ag+