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OXIDIEIABLE

OXIDIFIABLE NON-METALLICELEMENTS.

Carbo animalis purificatus.Take of Ivory-black, one pound ;

Muriatic Acid, (commercial), andWater, of each twelve fluidounces ;Mix the acid and water; add gradually theivory-black, stirring occasionally. Digestwith a gentle heat for two days, agitatingfrom time to time. Then boil; dilute withtwo pints of water ; collect the undissolvedcharcoal on a filter of linen or calico, andwash it with water tili what passes throughscarcely precipitates with Solution of carho-nate of soda. Heat the charcoal first mo-derately, and then to redness in a closely-covered crucihle.

Chlorinei aqua.

Take of Muriate of Soda, sixty grains ;

Sulphuric Acid (commercial), two

fluidrachms;Red Oxide of Lead, three hundred

and fifty grains ;Water, eight fluidounces ;Triturate the muriate of soda and oxide to-gether; put them into the water containedin a hottle with a glass-stopper; add theacid ; agitate occasionally tili the red oxide