Clean the flask, using a chromic acid solution, and dry it carefully outside and inside.
Chromic acid in sulphuric acid is usually found to be the best cleansing agent, but the mixture must be warm and concentrated.
Nearly fill the burette with the chromic acid solution, close the upper end with a cork stopper and tip the burette backward and forward in such a way as to bring the solution into contact with the entire inner surface.
In the oxidation flame borax dissolves the sesquioxide of chromium slowly to a yellow bead (chromic acid) which is yellowish green when cold.
Chromic Acid (CrO^{3}) crystallizes in the form of deep ruby red needles.
Chromium (Cr) occurs in the metallic state only in a very small quantity in meteoric iron, but is frequently found in union with oxygen, as oxide in chrome iron ore, and as chromic acid in some lead ores.
This network becomes more distinct in succeeding stages, especially in chromic acidspecimens (Pl.
My observations on these bodies in the adult Scyllium have only been made with specimens hardened in chromic acid, and there are many points which deserve a fuller investigation than I have been able to give them.
Section through part of one of the suprarenal bodies of an adult Scyllium hardened in chromic acid.
Chromic acid (1:8) is a serviceable local stimulant to indolent ulcers.
As Chromic Acid will probably ere long become an object of interest to the calico printer, I shall describe here the best method of preparing it.
The decolouring or enlevage style; by the topical application of chlorine or chromic acid to dyed goods.
The remainder of the figures are representations of embryos of Scyllium canicula hardened in chromic acid.
Surface view of blastoderm of Pristiurus hardened in chromic acid.
The second from an imperfect knowledge of the properties of gelatine acted on by light in presence of a salt of chromic acid.
For intense negatives the ammonia should be discarded and replaced by the same quantity of chromic acid.
These are treated with a solution of chromic acid, or with a solution of bichromate of potassa, or some mineral acid, as noticed at No.
Chromate of potassium is used in dyeing, bleaching, the manufacture of chromic acid, bichromate of potassium, &c.
Although the skins are preserved by chromic acid, they are not made into leather, for in this condition they would dry quite horny.
The only poisonous acid used in one of the many chrome processes is chromic acid, but this is converted into the oxide of chromium in a second bath and is, therefore, made quite innocuous.
Chromic acid is now prepared cheaply on a large scale, so that potassium bichromate may always be advantageously replaced by chromic acid in these batteries; the more so as chromic acid is extremely soluble in water.
Chromic acid consists of hydrogen united to the metal chromium and oxygen.
In this way permanganate of potash, chromic acid, chloride of gold, and the alkaline hypochlorites, especially hypochlorite of lime, may be extremely useful under many circumstances.
The same may be said with regard to chromic acid (1 per cent.
This ethereal solution is to a certain degree stable, and therefore the presence of hydrogen peroxide may be recognised by mixing the liquid to be tested with ether and adding several drops of a solution of chromic acid.
Amongst them, its action on chromic acid in the presence of ether is very characteristic.
The graduation of tint, Lesser remarks, is what is not seen when the yellow colour is due to poisoning by chromic acid or by strong solution of ferric perchloride; in such cases, wherever the liquid has gone, there is a yellowness.
It will be understood that in consequence of the decomposition, or rather reduction, of chromic acid by organic matter, the latter is also decomposed and oxidised in a corresponding degree.
Glycerine is not adapted for white fibrous tissue or blood vessels, unless they have been hardened in chromic acid, as it causes the white fibers to swell up and lose their normal features.
This may be used to mount unsoftened bone and tooth, hair, brain, and spinal column, and most tissues that have been hardened in alcohol or chromic acid, which require to have their transparency increased.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "chromic acid" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
