The ammonia recovered from this liquor by distillation is then absorbed in sulphuric acid.
Steam and the distillation processes have been applied with great success to the making of glycerine from fat and from soap underlye and in extracting fat from various waste products.
Rickel of Wuerzburg lighted his laboratory with gas made by the dry distillation of bones; but all these were experiments.
The best brandy is obtained by distillation from the best quality of white wines, from the districts of Cognac and Armagnac in France.
The commercial salt is known as sal-volatile or salt of hartshorn and was formerly obtained by the dry distillation of nitrogenous organic matter such as hair, horn, decomposed urine, &c.
Heracleum giganteum, and in the fruit of Heracleum sphondylium, but is generally obtained, on the large scale, from the oxidation of spoiled wines, or from the destructive distillation of wood.
It is found among the products formed in the destructive distillation of wood, sugar, cellulose, &c.
On dry distillation it is resolved into trimethylamine and methyl alcohol.
For many centuries the word was used to designate any fine powder; its present-day application to the product of the distillation of wine is of comparatively recent date.
On distillation with sulphuric acid, it is converted into mesitylene C9H12 (symmetrical trimethyl benzene).
These aldols generally lose the elements of water readily and pass into unsaturated compounds; aldol itself on distillation at ordinary atmospheric pressure gives crotonaldehyde, CH3.
SO3Na, which are readily resolved into their components by distillation with dilute acids, and are frequently used for the preparation of the pure aldehyde.
On distillation with zinc dust it forms cymene (1.
Inferior varieties are made by means of essences, the distillation process being omitted.
By this means a mixture is obtained which by distillationor the action of hydrochloric acid yields trithioaldehyde, (C2H4S)3.
These by-products of wood distillation have many uses, as well as the many products which are, in turn, made from these by-products.
Experiments have been conducted by the Laboratory in the distillation of the needles of coniferous trees and the distillation of the crude gum of some of the important timber trees of the South and West.
Studies in wood distillation seek to find new woods which can be used for this industry, new and more efficient methods which can be employed, and new uses for wood waste and stumps.
About one per cent of the green parts is oil, which after distillation is at first a reddish-brown fluid.
Some distillation is done in England, where 70 pounds of the plant yield about one ounce of oil.
Its name is derived from the Latin word Lavo, to wash, a distillation of the flowers being anciently used in perfuming water for washing the body.
The very volatile, nearly colorless oil is usually obtained by distillation with water, about 50 pounds of seed being required to produce one pound of oil.
Oil of angelica is obtained from the seeds by distillation with steam or boiling water, the vapor being condensed and the oil separated by gravity.
This is carefully purified by distillation and chemical treatment to separate the anthracene from the other substances occurring with it, and the product obtained is finally purified by crystallization.
It was first prepared by Unverdorben, in 1826, by distillation of indigo.
During the distillation of tar a high-boiling fraction, boiling above 270deg C.
Amorphous carbon is obtained by the destructive distillationof many carbon compounds, the various kinds differing very greatly as regards physical characters and purity, according to the substance used for their preparation.
The essential oil is largely obtained by distillation for use in medicine as an aromatic stimulant and carminative, and as a flavouring material in cookery and in liqueurs for drinking.
Gas carbon is produced by the destructive distillation of coal in the manufacture of illuminating gas (see GAS: Manufacture), being probably formed by the decomposition of gaseous hydrocarbons.
Unverdorben in 1826 discovered an analogous material in products obtained by the destructive distillation of indigo.
Fritsche in the same year by the distillation of indigo with caustic potash developed a product which he also called aniline, the name being derived from the Portuguese word anil, meaning indigo.
It is used in brewing and in the distillation of whisky.
An essential oil obtained by distillation from the flowers of the orange.
An oily liquid, obtained bydistillation of calcium oleate, and probably consisting of the ketone of oleic acid.
If the distillation of "B" is continued as long as acid comes over (distilled water being occasionally added to the distilling flask) the distillate can be measured and 50 c.
This fits into a socket which allows the oils and aqueous solutions due to the distillation to pass into the lower bowl, very little getting into the stem.
Both nicotine and its derivative pyridine as well as the tarry oils resulting from tobacco distillation are strong and effective disinfectants; and formaldehyde, one of the most powerful germicides known, is so formed.
Clay is usually cool and very absorbent of the acrid oils occurring in the distillation of tobacco.
A thick liquid residuum obtained in thedistillation of Russian petroleum, much used as fuel.
It was not, however, an easy matter to prove that the distillationof malt-spirits was not necessary to an advantageous prosecution of the commerce on the coast of Guinea, as well as among the Indians in some parts of North America.
The first few days distillation does not produce such fine attar as comes off afterwards, in consequence of the dust or little particles of dirt in the still and the tube being mixed with it.
It is obtained by distillation or pressure from the rind of the fragrant citron.
Neuman obtained by distillation two ounces and two drachms from sixteen ounces of cloves.
Oil of aniseed is obtained by distillation from the fruit, and 1,544 lbs.
By distillation it yields a volatile oil, on which the odor and remarkable properties depend.
The three first are equally valuable as spices, the female clove being considered fittest for the distillation of essential oil.
The oil dissolved by the alcohol escapes very freely: one half is recovered by the distillation of the spirit, the residue of the distillation is boiled in a large quantity of water.
The oil thus obtained by distillation is at first of a yellow color, but soon assumes a reddish brown hue.
The leaves yield by distillation a delicate odoriferous oil, which is said to be sometimes passed off for oil of cloves.
The humming-birds and wild bees are the favored ones, however, for they get the ultimate distillation of all the racy and fragrant elements from root to bloom.
He is tireless in his efforts to reach every deposit of waxy comb and amber distillation within the range of his keen power of scent.
The production of alkali is probably due, said Davy, to the presence in the water of some substance which is not removed by distillation in a glass retort.
Petitgrain oil, obtained by distillation of the twigs and unripe fruit of Citrus bigaradia.
The distillation is very carefully performed under strict supervision.
The distillation is conducted at a temperature of 356°F.
Concrete orris oil, a waxy substance obtained by steamdistillation of Florentine orris root.
The alcoholic soap solution is then placed in a distillation apparatus, or the pan containing the solution is attached by means of a still head to a condenser, and the alcohol distilled, condensed and regained.
Rosin is the residuum remaining after distillation of spirits of turpentine from the crude oleo-resin exuded by several species of the pine, which abound in America, particularly in North Carolina, and also flourish in France and Spain.
Lime oil, obtained by expression or distillation of the peel of the fruit of Citrus medica, and produced principally in the West Indies.
The poor woman paused; for a mist obscured her sight, a distillation of burning tears.
