The bark abounds in tannic acid and is largely used in tanning, as a yellow dye, and in medicine.
The flexible tough branches of several species are used in making baskets; the bark is rich in tannic acid and is used in tanning leather and yields salicin, a bitter principle valuable as a tonic.
The bark contains a large amount of tannic acid and is sometimes used in tanning leather, and is astringent and tonic.
Cornus is rich in tannic acid, and the bark and occasionally the leaves and unripe fruit are used as tonics, astringents, and febrifuges.
The solution of gallo-tannic acid may be obtained by making a strong infusion of bruised nutgalls in boiling water, and when cold, straining it.
A third plan, and one attended with less risk to the paper, is to brush over the manuscript with a moderately strong aqueous solution of gallo-tannic acid, to wash with water, and afterwards to dry it at a temperature of about 150 deg.
It seems to be suited for pills containing chemical substances, such as quinine, tannic acid, &c.
Also administer Chlorate of Potassi, two ounces; Nitrate of Potash, two ounces; Tannic Acid, one ounce.
The fermentation now begins, and proceeds as well in it as in the others.
The very considerable loss experienced in this operation has induced chemists to try different methods to obtain all the acid contained in the acetate.
This is effected by first steeping the cotton in a cold solution of tannic acid or in a cold decoction of some tannin matter, e.
After bleaching the mark by either reagent, the iron of the ink remains mordanted on the paper, and the mark may be restored by treatment with a dilute solution of galls, tannic acid, or acidulated ferro- cyanide.
The gall-nut contains gallic and gallo-tannic acid, and which acids, in conjunction with an iron salt, forms the sole base of the best ink.
In cases of necessity, the articles may be saturated with vinegar, or tannic acid or alum dissolved in water may be used instead.
The chemical antidote is tannic acid, which forms an insoluble compound with the aconitin.
The mordant used, tannic acid, has the property of combining with the dyes of this group to form insoluble coloured tannates.
Now tannic acid has a certain amount of affinity for cotton, if the latter be immersed in solution of tannic acid or any material containing it some of the latter is taken up and more or less fixed by the cotton fibre.
It is often of importance to the tanner and dyer to determine the richness of this article in tannic acid or tannin.
Defn: Pertaining to, or designating, a tannic acidfound in oak bark and extracted as a yellowish brown amorphous substance.
Defn: Pertaining to, or designating, a variety of tannin or tannic acid found in Acacia, Mimosa, etc.
Tannic Acid, Gallic Acid, and Creosote are the three chief Vegetable Astringents.
When applied externally, Tannic Acid is the most powerful; but for internal administration Gallic Acid is the best.
Tannic acid is the chief of them; it is simply an Astringent; it has been found in the blood, where it changes into Gallic acid, and in that form it passes into the secretion of urine.
So also do Tannic acid, Turpentine, and Creosote, coagulate albumen.
Tannic acid= occurs widely distributed in the plant kingdom as a constituent of the special type of glucosides known as tannins, whose properties and functions have already been discussed (see Chapter VII).
Tannic acid is the best tannin for mordanting cotton and linen, as it is the purest and is free from any other colouring matter.
It contains two coloring principles, catechin and catechu-tannic acid.
The galls are very light, and very rich in tannic acid, containing often as much as 80%.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "tannic acid" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
