This Brownlee Water Electrolysis Apparatus is a
simple and economical type of electrolysis apparatus. Platinum electrodes are
attached to insulated connecting rods which are attached to binding posts
mounted on a non-conducting support.
The support rests across the top of a battery jar (1L Beaker - not included)
and has two clips that each holds an inverted test tube.
The apparatus is used to demonstrate that
electrically conductive liquids can be decomposed and resolved into their
constituent elements by means of a unidirectional electric current.
The gaseous components formed by this method can be trapped, and their relative
volumes estimated. Although designed primarily to electrolyze water, this
apparatus can be used with many other aqueous solutions.
Other solutions can be used to demonstrate the phenomenon of electroplating
with the help of two clips.
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