Electrolysis Electrode, Material: Platinum, Sealed in glass tubes inserted securely in a rubber stopper, Fit standard electrolysis tubes, It has a rubber stopper No.1 with 18 gauge copper wire, Diameter: 0.75 cm, Length: 8.89 cm
Electrode Carbon with Stopper, Material: Carbon and rubber, Carbon rod, Fitted into rubber stopper, For use with Hoffman Electrolysis, Diameter: 0.25 in
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