...grains. Another form of it, supposed to be more pure, is what is named Carbonas Ferri Praecipitatus, prepared by adding a solution of carbonate of soda to a solution of sulphate of iron, washing and drying the precipitate formed by the mutual decomposition. Muriate of...

...dantly n»chemist. It may be obtained, however, in a very pure tire state, in the form of a precipitate, by adding a solution of carbonate of soda, to a solution of chloride of calcium (muriate of lime). When prepared in this way, it forms the precipitated chalk of...

...atmosphere and combined with the oxide. The Carbonas ferri precipitatus, of the Edinburgh College, is prepared by adding a solution of carbonate of soda to a solution of sulphate of iron. It is also a sub-carbonate, and agrees in its medicinal properties with the rust....

...3NOS ; formed by adding an excess of nitric acid. Carbonate of Protoxide, FeO,CO3+HO, may be formed by adding a solution of carbonate of soda to a solution of the protosulphate of iron, from wbich it is precipitated. It absorbs oxygen, is converted into sesquioxide,...

...chalk, whitening, and white lead, are shown in fig. 105 a, b, c,f. Freshly-precipitated chalk is readily prepared by adding a solution of carbonate of soda to a solution of chloride of calcium. Carbonate of lead is made by mixing together cold solutions of acetate of lead...

...precipitated as a fine powder. (See Sulphur.) On the same principle the precipitated carbonate of lime is prepared, by adding a solution of carbonate of soda to a solution of POWDERS. 78 chloride of calcium. As a result of the reaction, the insoluble carbonate of lime is produced,...

...phosphoric acid, forming salts corresponding to the phosphates. The Arseniate of Soda, 2NaO,HO,As05 + 24HO, cannot be distinguished in its appearance from...solution of arsenic acid until the acid is completely neutralised, and then evaporating. There are also two other arseniates of soda, having the following...

...is thus precipitated as a fine powder. On the same principle, the precipitated carbonate of urne is prepared by adding a solution of carbonate of soda to a solution of chloride of. calcium. As a result of the reaction, the insoluble carbonate of lime is produced and...

...appearance from the corresponding phosphate. It may be prepared by adding a solution of sodic carbonate to a solution of arsenic acid until the acid is completely neutralized, and then evaporating. Diarsenious Bisulphide (Realgar), As2S» which is found native, and can be formed artificially by heating...

...(Sb2Os, Sb2O6). The Antimonious Oxide, or Sesqnioxide of Antimony, called also the Teroxide (Sb2O2), may be prepared by adding a solution of carbonate of soda to a solution of terchloride of antimony, when the oxide is precipitated as a yellow powder. When boiled with bitartrate...