How little adequate tinctorial differences by themselves are to settle the chemical identity of a granulation, is at once evident on consideration of the granules of other organs.
According to the class of animal they shew different tinctorialand morphological properties.
From the first Ehrlich has insisted, =that different kinds of cells possess different granules=, distinguished not only by their tinctorial properties, but also by their various reactions to solvents.
Cochineal is also employed as the tinctorial basis of red ink; but, while the resulting fluid is much more brilliant than that obtained from Brazil-wood, it is not so permanent.
Moses speaks of raiment dyed blue, and purple, and scarlet, and of sheep-skins dyed red; circumstances which indicate no small degree of tinctorial skill.
Cochineal and lac-dye have now nearly superseded the use of kermes as a tinctorial substance, in England.
The mordants should be applied pretty hot by a brush, on the hair of the skin, stretched upon a solid table; and after two or three applications, with drying between, the tinctorial infusions may be rubbed on in the same way.
Here, then, is a magnificent example of enormous tinctorial power.
But the most wonderful thing about substantive coal-tar colours is their immense tinctorial power, i.
For paper coloured throughout its substance the tinctorial matter is usually mixed with the pulp in the process of manufacture; or the manufactured paper is dipped into a bath of the colouring substance, and then hung up to dry.
The general product of the decomposition of the acids obtained from the tinctorial lichens under the influence of heat or the alkaline earths.
A solution of bichloride of mercury disguised by the addition of a little flavouring andtinctorial matter.
According to the researches of Stenhouse and Erdmann it consists of purreic acid, a strongly tinctorial vegetable substance, united to magnesia.
Two series of azo dyes of selenium have been prepared and have been shown to possess a marked tinctorial value.
The tinctorial value of the selenium derivative is further evidenced by the ease with which it forms azo dyes and the deep colors of the latter.
Compounds newly made have been shown to exhibit a distincttinctorial value in comparison with their analogues.
In the perusal of the organic records of the metal, distributed over the span of a century, there are indications of the value of selenium compounds for pharmaceutical and tinctorial uses.
Attempt was made to study organic selenium compounds of the heterocyclic series in reference to those properties leading to tinctorial and pharmaceutical possibilities.
One pound of dry alizarin has the tinctorial power of 90 pounds of madder.
The phthaleins are all acid compounds possessing more or less tinctorial power.
By combining various diazotised bases with these sulpho-acids, a splendid series of acid azo-dyes ranging in shade from bright orange to claret-red, and to scarlets rivalling cochineal in brilliancy were given to the tinctorial industry.
The manufacture of azo-dyes from salicylic acid brings us into contact with certain amidic compounds which figure so largely in the tinctorial industry that they may be conveniently dealt with here.
The tinctorial value of these plants was known in India and Egypt long before the Christian era.
With respect to the value of the coal-tar dyes as tinctorial agents, there is a certain amount of misconception which it is desirable to remove.
The use of aniline for this purpose, first rendered practicable by Lightfoot, is among the most important of the many wonderful applications of coal-tar products in the tinctorial industry.
The large quantity of madder consumed for tinctorial purposes is indicative of the value of this dye-stuff.
Bichromate of potash is a most powerful oxidizing agent, and produces very complex and interesting changes in tinctorial bodies.
Nevertheless, as to the proportions of the dyestuffs to be employed for a given tone or shade cannot be given, because the tinctorial value of artificial dyestuffs is very changeable and not even constant with the same makers.
Basic colors possess great fullness and tinctorial strength, but have a tendency to rub off, and the tips of the hair take a darker shade with these dyes than the rest of the hair.
The simplicity of the dyeing operations, the short duration of the process, the great tinctorial power of the new products, were facts which strongly recommended themselves to the progressive fur dyer.
