A text-book on chemistryFor the use of schools and colleges . platinum, S, Fig. 122, on each side ofwhich are placed parallel plates ofamalgamated zinc, Z Z. These platesare held tightly against a piece of wood,W, by means of a clamp, 5, to which,and also to the silver plate,, bindingscrews, for the purpose of fasteningpolar wires, are affixed. The whole issuspended by means of a cross-piece ofwood in a jar containing dilute sulphu-ric acid. The object of platinizing the silverplate is to facilitate the extrication ofhydrogen from it by furnishing a rough instead of asmooth surface. The adhesi
A text-book on chemistryFor the use of schools and colleges . platinum, S, Fig. 122, on each side ofwhich are placed parallel plates ofamalgamated zinc, Z Z. These platesare held tightly against a piece of wood,W, by means of a clamp, 5, to which,and also to the silver plate,, bindingscrews, for the purpose of fasteningpolar wires, are affixed. The whole issuspended by means of a cross-piece ofwood in a jar containing dilute sulphu-ric acid. The object of platinizing the silverplate is to facilitate the extrication ofhydrogen from it by furnishing a rough instead of asmooth surface. The adhesion of hydrogen to the sil-ver plate enfeebles the Voltaic action, owing to the tend-ency of the separated components of the liquid to re-unite. Smees compound battery, represented in Fig. 123, Fig.
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Keywords: ., bookcentury1800, bookde, booksubjectchemistry, booksubjectphysics
