In each experiment 10 grams of copper was used, and a known weight of sulphur, in the form of copper sulphate, added.
It is charged with a saturated solution of copper sulphate, and crystals of this salt must be added, and always kept in excess.
A crystal of copper sulphateshould be put outside of P C to keep the solution full strength.
To study the electrolysis of a solution of copper sulphate.
Determine the percentage of copper, sulphur, oxygen, and water incopper sulphate crystals.
The reaction may be started, however, by the addition of a few drops of a solution of copper sulphate or platinum tetrachloride.
Thus, if a perfectly dry crystal of copper sulphate is strongly heated in a tube, water is evolved and condenses on the sides of the tube, the crystal crumbling to a light powder.
There results a hot, neutral, concentrated solution of copper sulphate, which may be run at once into a crystallizing vat for the separation of commercial crystals of copper sulphate.
Solutions of carbolic acid, of perchloride of mercury, of zinc chloride, or of moderately strong solutions of copper sulphate, are all of them useful (see also treatment of coronitis on p.
An instance of the neutralization of an acid by an oxide of a metal is furnished by one method of preparing blue vitriol (copper sulphate).
Copper and oxygen of the air combine to form the brownish black powder, copper oxide, and this dissolves very readily in sulphuric acid, making the salt, copper sulphate.
Copper Sulphate, or blue vitriol, is frequently found in the drainage of copper mines, where it is formed by the oxidation of copper pyrites.
This property is found in animal protoplasmic membranes and in porous substances covered with an amorphous precipitate, such as is obtained by the action ofcopper sulphate on potassium ferrocyanide (Pfeffer, Traube).
For the purpose of experiment, it is most convenient to take copper carbonate, which may be prepared by the experimenter himself, by adding a solution of sodium carbonate to a solution of copper sulphate.
Care must be taken in this after-treatment, for the use of too strong a solution of copper sulphate, or too prolonged action of such a solution will materially alter the shade of the dyed fur.
Blue vitriol, or copper sulphate as the chemists would call it, is a substance which forms glassy blue crystals.
On top of this solution of copper sulphate I poured very carefully a weak solution of sulphuric acid.
You can see that in the solution of copper sulphate at the bottom of the jar there was always present a lot of positive copper ions and of negative sulphate ions.
Sometimes, of course, as ions of these two kinds wander about between the water molecules, they meet and satisfy each other by forming a molecule of copper sulphate.
Thus the statement that the migration constant or transport number for a decinormal solution of copper sulphate is 0.
As an example we may take the case of a solution of a salt such as copper sulphate in water, through which an electric current is passed between copper plates.
The ordinary method of dyeing cutch brown on cotton is to steep the cotton in a hot solution of catechu, containing a small addition of copper sulphate, and leave it in the solution for several hours.
When catechu only is used, a darker shade of brown is got by adding to the catechu 6% of its weight of copper sulphate.
Copper sulphate is fed in at the edge of the tray and zinc sulphate is poured upon the parchment.
Here the zinc stands in dilute sulphuric acid (or in a solution of zinc sulphate), and the copper in a saturated solution of copper sulphate, the two liquids being separated by a porous partition.
If two carbon rods (electric light carbons answer very well) are placed in a solution of copper sulphate (Fig.
Two carbons placed in a solution of copper sulphate.
Daniell cell in most respects, except that in this cell, the zinc plate is held at the top of the jar in a solution of zinc sulphate while the copper plate is at the bottom, surrounded by a solution of copper sulphate.
Then fill the bulb and the lower end of the tube with a concentrated solution of some solid, such as sugar, salt, or copper sulphate.
Place a solution of the substance supposed to contain grape sugar in a test tube and add a few drops of a dilute solution of copper sulphate.
If it does not turn blue, it shows that the starch has been converted into some other substance by the saliva, (b) To the other tube add a few drops of a very dilute solution of copper sulphate.
This, however, was not held to apply to such corrosive substances as copper sulphate.
Photograph showing the action of copper sulphate on barley in the presence of nutrient salts.
The two are in a solution of copper sulphate, and, as explained in Sec.
These are then hung upon the cathode in a bath of copper sulphate as described in Sec.
A copper plate is placed at the bottom of the glass jar, and upon this rests a solution of copper sulphate (bluestone).
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "copper sulphate" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
