Electrochemistry, Fuel Cell & Battery Research Test Solutions

Electrochemistry, Fuel Cell & Battery Research Test Solutions

Reference Electrodes

Silver/Silver Chloride (Ag/AgCl) Reference Electrodes from BAS Inc.

These compact, glass-bodied reference electrodes are available in two styles. The 7.5 cm long RE-5B reference electrode (3 M NaCl or 3 M KCl fill available) is used for voltammetry and polarography experiments using the  C-3 Cell Stand, the CGME Controlled Growth Mercury Electrode, the RDE-1 and RDE-2 Rotating Disk Electrodes, and the LCM Low Current Module. The RE-6 reference electrode (3 cm) is used with the CC-5 Cross-Flow Thin-Layer Flow Cell. The RE-4 is also 3 cm long. All electrodes have a 6 mm OD glass body, and use a porous junction (frit) made from either ceramic (RE-4, RE-6) or CoralPor™ (RE-5B). (Note that, due to the high resistance of the ceramic frit, the RE-6 electrode is only recommended for aqueous electrolytes.)

Connection to the cell lead is via a gold-plated pin on the end of a flexible plastic-coated wire (RE-5B and RE-6) or stainless steel pin (RE-4). An O-ring is included with each electrode. Between uses, reference electrodes should be stored with junction tips in a MF-5275 vial filled with 3 M NaCl. A double junction reference electrode can be set up using an RE-5B reference electrode with the glass chamber MF-2030. This chamber also has a CoralPor™ frit, which must be maintained.

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Silver/Silver Chloride (Ag/AgCl) Reference Electrodes

MF-2052 RE-5B Ag/AgCl (3 M NaCl) Reference Electrode with Flexible Connector
MF-2056 RE-5B Ag/AgCl (3 M KCl) Reference Electrode with Flexible Connector
MW-2030 RE-6 Reference Electrode with Flexible Connector for Electrochemical Flow Cell
MW-2021 RE-4 Ag/AgCl Reference Electrode for Electrochemical Flow Cell

Other Aqueous Reference Electrodes

EF-1352 Calomel Reference Electrode
EF-1354 Chloride Free Reference Electrode
EF-1369 Alkaline Reference Electrode
MF-2063 Copper/Copper Sulfate Reference Electrode

Non-Aqueous Silver/Silver Ion (Ag/Ag+) Reference Electrode Kit

MF-2062 Non-Aqueous Reference Electrode Kit***

This kit contains the parts required for construction of a non-aqueous silver/silver ion reference electrode. The glass electrode body has a porous CoralPor™ tip attached with heat shrink tubing. The removable Teflon top contains a silver wire and 0.060 ” gold-plated connecting pin for the cell lead. The kit also contains solid silver nitrate, extra heat shrink tubing, and extra porous CoralPor™ tips. Non-aqueous solvents must be supplied by the user. An instruction sheet illustrates easy assembly.

Silver/Silver Chloride (Ag/AgCl) Reference Electrode Parts and Accessories

MF-2030 Double-Junction Reference Electrode Chamber
MF-2064 Porous CoralPor™ Tips, 1/8″ long (5/pk) with 1/2″ lengths of Teflon heat shrink (6/pk)
MF-2042 Glass Tube with Porous CoralPor™ Tip
MF-2017 Silver Wire, 0.5 mm dia., 12″ (30 cm) long- 99.9% purity
MF-2027 Teflon Heat Shrink Tubing, ~4 mm OD x 30 cm
MF-2044 O-ring, 1/4″, 12/pk.
MR-3608 PEEK Reference Electrode Retainer
MF-2022 RE-4 Bushing, 10/pk.
MF-2023 O-Ring for Non-aqueous solvent, RE-4 and RE-6
MR-1245 O-Ring for Non-aqueous solvent, RE-4 a

Non-Aqueous Reference Electrode Parts and Accessories

MF-2030 Double-Junction Reference Electrode Chamber
MW-1085 Non-aqueous Reference Electrode: Glass tube with CoralPor™ Tip and Cap with Silver Wire
MF-2042 Glass Tube Porous CoralPor™ Tip, 6 mm OD 7.5 cm long
MF-2064 Porous CoralPor™ Tip, 1/8″ long (5/pk) wtih 1/2″ lengths of Teflon heat shrink (6/pk)
CF-1060 Silver Nitrate 1 g

Reference Electrode Storage and Solution Refill

MR-5275 Storage vial for Ag/AgCl reference electrodes (Aqueous only)
CF-3000 3 M Sodium Chloride Storage/Refill Solution
CF-3001 3 M Potassium Chloride Storage/Refill Solution
CF-3002 Saturated Copper Sulfate Storage/Refill Solution

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