...reddish resinous substance which adheres to it, it is dissolved in a larger quantity of boiling water to which a few drops of hydrochloric acid have been added, and the turbid solution filtered. When the solution no longer becomes turbid, it is set aside. After long standing,...

...reddish resinous substance which adheres to it, it is dissolved in a larger quantity of boiling water to which a few drops of hydrochloric acid have been added, and the turbid solution filtered. When the solution no longer becomes turbid, it is set aside. After long standing,...

...necessary that it should be crystallized. The powder for this purpose is dissolved in boiling water to which a few drops of hydrochloric acid have been added ; and on cooling, the salt is deposited in * Communicated by the Author. Phil Mag. S. 4, Vol. 2. No. 11....

...necessary that it should be crystallized, The powder for this purpose is dissolved in boiling water to which a few drops of hydrochloric acid have been added; and oa cooling, the salt is deposited in the form of regular octohedrons, small, sparkling, and of a ruby-red...

...necessary that it should be crystallized. The powder for this purpose is dissolved in boiling water, to which a few drops of hydrochloric acid have been added; and on cooling, the salt is deposited in the form of regular octahedrons, small, sparkling, and of a ruby-red...

...l-64th of an inch in thickness.) A strip of the copper cylinder about half an inch broad is cut off to within one inch, so as to form the negative electrode...it from the cover of the battery. The jar is nearly tilled with water acidulated with two pounds of sulphuric acid and one ounce of nitric acid, and the...

...a double current, or Berzelius' lamp. The fused mass is then to be dissolved out in boiling water, to which a few drops of hydrochloric acid have been added, and the sulphuric acid thrown down by chloride of barium. By dividing the precipitate thus obtained (after...

...to prevent the breaking off of the wire at its junction with the zinc bar. The ox-gullet, or cell, is now nearly filled with a concentrated solution...but not allowed to touch the bottom of the gullet, or cell, which it may be prevented from doing by attaching a piece of wood across the zinc bar, to...

...penetrate. It has been found that if solid animal food of the kind above mentioned be placed in water to which a few drops of hydrochloric acid have been added, and the whole kept at a temperature of about 100° Fah., solution slowly proceeds ; further, if to this mixture...

...with organic chlorides. When a solution is added to a solution of potassic chloride, or any potassium salt to which a few drops of hydrochloric acid have been added, a bright yellow crystalline precipitate is produced of the double chloride of platinum and potassium...