The Reducers Manual And Gold And Silver Workers Guide Being a Complete Pract
The Reducers Manual And Gold And Silver Workers Guide Being a Complete Pract
Victor G Victor Gustave Bloede
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The nitrate of silver is rendered perfectly neutral by exposing the crystalized mass to heat, until a small quantity of the oxide of silver is liberated, and the chloride of gold by double crystalization. Another Way of Making Pure Chloride of Gold. The gold should be placed in a flask or glass and covered with an ounce or two of distilled water. Then chlorine gas is led into the water, which, soon THE REDUCER'S MANUAL. 117 becoming charged with it, rapidly attacks and dis solves the gold. The ...yellow solution thus resulting must be evapor ated to perfect dryness in a suitable vessel and treated precisely like the last. To generate chlorine a small glass flask should be provided with a tight fitting cork, into which is in serted a bent glass tube or India-rubber gas tube. In to this flask place some black oxide of manganese, and pour upon it enough muriatic acid to make it of the consistency of cream. The flask is then placed in boiling water or heated sand, and the chlorine rapidly generates and is absorbed by the water.
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