Phosphorus is determined in the ash by fusing it with a mixture of sodium and potassium carbonates, extracting the residue with hydrochloric acid, and twice evaporating to dryness with the same acid.
Maleic anhydride is obtained by distilling fumaric acid with phosphorus pentoxide.
Sulphur, phosphorus and silicon, the other principal combustible elements, are only of limited application as fuels.
The high temperature produced by burning phosphorus is in part due to the product of combustion (phosphoric acid) being solid, and therefore there is less heat absorbed than would be the case with a gaseous product.
He was then of opinion that he must come as near to puddling as possible, in order to get the phosphorus out of the iron.
He saw how phosphorus was removed in the puddling-furnace, and he now tried to do the same thing in his converter.
We produced phosphorus from old bones, and elaborated many of the mysteries of chemistry.
That was no falsehood, father: well you knew the phosphorus was yours, is yours.
Just for using a little phosphorus in self-defence against cut-throats they are going to hang.
Phosphorus appears in whitish streaks and clouds in the areas corresponding to the organs in which it has accumulated.
Excess of phosphorus and the acids derived from it overstimulates the brain and the nervous system, causing nervousness, irritability, hysteria and the different forms of mania.
Sulphurous acid and sulphuric acid (vitriol), as well as phosphorus and phosphoric acids actually burn up the tissues of the body.
All the facts above related evince, that the Acid ofPhosphorus is akin to that of Sea-salt; or rather that it is the very same.
Nay, when the operation is finished, we find a real Sulphur sticking in the neck of the matrass; and, while the Phosphorus is burning, it hath plainly a strong sulphureous smell.
This process for making Phosphorus is copied from the Memoirs of the Academy of Sciences for the Year 1737; where it is described by M.
Cut off the black part of the cylinder, and keep it apart: for when you have got a quantity thereof, you may melt it over again in the same manner, and separate the clean Phosphorus which it still contains.
In this Salt, according to Mr. Marggraff's experiments mentioned on the subject of Phosphorus, is contained the Acid necessary to produce the Phosphorus of Urine.
The Phosphorus obtained by a violent fire, from the caput mortuum of this distillation, seems to throw a light of probability on this conjecture.
Phosphorus resembles sulphur in several of its properties: it is soluble in oils; it melts with a gentle heat; it is very combustible; it burns without producing soot; and its flame is vivid and bluish.
Then agitate the water in the ballon, to rinse out all the Phosphorus that may stick to the sides: pour out all the water thus shaken and turbid, into a very clean earthen pan, and let it stand till it grows clear.
But if the retort break before the Phosphorus hath made its appearance, its contents may be saved by throwing a number of cold bricks into the fire-place, and upon them a little water to quench the fire at once.
This is that Acid which, according to Mr. Marggraff's experiments, forms the combination of Phosphorus when united with the Phlogiston.
On looking I discovered a number of pieces or granules of phosphoruson the bricks inside of the fire-place, which was closed tightly with a screen or summer-piece.
I will only relate two episodes of that interesting period: the phosphorus affair, and the affair of the Harvard professors, for reasons which will be apparent.
I will here relate from my experiences a curious and, so far as I know, novel chapter in the records of Modern Spiritualism, namely, the production of solid granulated phosphorus by Spirits.
I argued that the Spirits could produce phosphorus (in my opinion, accumulated from the atmosphere and medium forces of the circle combined).
This letter of course implied that I might have had--what had of course no foundation in fact--phosphorus on my fingers.
In the mean time the gentlemen satisfied themselves that there was no phosphorus about my person.
I may mention that this was anterior, not subsequent to the Phosphorus affair related in the preceding chapter.
Defn: Inactive; inert; not showing strong affinity; as, red phosphorusis comparatively passive.
Defn: To impregnate, or combine, with phosphorus or its compounds; as, phosphorated oil.
Note: It is the most important compound of phosphorus and hydrogen, and is produced by the action of caustic potash on phosphorus.
Cl2, obtained by the action ofphosphorus pentachloride on sulphur trioxide.
Defn: Pertaining to, or containing, phosphorusin a lower state of oxidation than in phosphoric compounds; as, hypophosphorous acid.
Defn: To satisfy the affinity of; to cause to become inert by chemical combination with all that it can hold; as, to saturate phosphorus with chlorine.
Consisting of four atoms; having four atoms in the molecule, as phosphorus and arsenic.
Defn: A steel in which the amount of phosphorus exceeds that of carbon.
It contains one or two per cent of phosphorus and from five to fifteen per cent of tin.
Of or pertaining to phosphorus; resembling, or containing, from us; specifically, designating those compounds in which phosphorus has a higher valence as contrasted with the phosphorous compounds.
Defn: An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.
Phosphorus (P) Phosphorus makes matches glow in the dark, and it makes them strike easily.
To produce ozone, I introduced into the infected balloon a stick of phosphorusan inch long, with water sufficient to half cover it.
At the same time, for the sake of comparison, I placed a similar quantity of phosphorus and water in another balloon full of pure atmospheric air.
In poisoning from phosphorus and arsenic the appearances in most of the organs indicate an actual destruction of protoplasm.
In the cells of the liver of an animal poisoned with phosphorus fat makes its appearance in large drops, while in the heart and kidneys of the same animal the fat is present in a granular form.
Similar appearances may be present in the protoplasm of muscular tissue, the cells of the liver, kidneys, and gastric glands, when poisonous doses of phosphorus or arsenic are given.
Treatment consists in administration of cod-liver oil, phosphorus and other tonics.
Individual creatures were killed after a month of this diet, and it was found that the flesh was taking the phosphate--for the phosphorus exists in the body in that form--from the bones to supply its need.
It takes only three months of a ration without phosphorus to wreck an animal.
The most extravagant notions were at one time prevalent as to the rôle played by phosphorus in the animal economy; the Dutch naturalist, Moleschott, maintaining that "without phosphorus there was no thought.
Lassaigne have shown that the brain of madmen does not contain more phosphorus than that of sane individuals.
In preparing the composition, the chlorate of potash of the old flashing and safety matches has been retained, and the sesquisulphide of phosphorus is used instead of the white or red phosphorus of the old matches.
The phosphorus compound has a special odor, in which the sulphur characteristic predominates, but, not boiling under 380 deg.
The French Government is furthering by all possible means new methods of manufacture in the hope of finding a safer one; and a match free from white phosphorus and still capable of striking anywhere is already manufactured.
I had an idea that our friend wouldn't care to pass through a phosphorus screen," said Dr.
We got chased a little way, but I tossed our pursuer a handful of phosphorus and it must have burned his fingers a little, judging from the racket he made.
At least, it sounded hoarse, so I gave it a little white phosphorusto make a poultice for its throat, but I didn't get a glimpse of it.
There was a flash of light, and bits of flaming phosphorus flew in every direction.
They are potassium, magnesium, calcium, phosphorus and nitrogen.
And these investigations show that the phosphorus was used with profit for the production of markedly different crops, including potatoes and turnips, barley and wheat, clover and beans.
Thus 250 pounds of phosphorus in a ton of finely ground natural rock phosphate can be purchased at the mines in Tennessee and delivered at the farmer's railway station in the heart of the Corn Belt for $8.
These figures represent the increase produced by phosphorus over and above the value of the crops grown without phosphorus fertilizer.
The Rhode Island Experiment Station began a series of experiments with different forms of phosphorus in 1894.
Scrape off the oxide from the surface of a piece of phosphorus 2 cm long, put it into a wide-mouthed bottle, half cover the P with water, cover the bottle with a glass, and leave it for half an hour or more.
Put a piece of phosphorus of the size of a pea, and well dried, on a thick paper.
Phosphorus should be kept in water, and handled with forceps, never with the fingers, except under water, as it is liable to burn the flesh and produce ulcerating sores.
Phosphorus and potash are necessary to the human welfare.
The person who lives mostly on white bread will suffer from lack of phosphorus and potash.
Phosphorus also is found in the skin of an apple, so if you peel an apple you do not get the phosphorus.
In many factories where phosphorus is used without great care workmen have been greatly affected thereby.
The fumes of the phosphorus attack the teeth, especially when decayed, and penetrate to the jaw, causing its gradual destruction, but this has been avoided by proper precautions.
Go to the nearest chemist and ask him to show you some of the dark-red phosphorus which will not burn without fierce heating, but at 500 deg.
There may be other transmutations possible besides those of phosphorus and sulphur.
But then he had his choice whether to do his duty, or to neglect it, and save his phosphorus and other combustibles.
But, as I was saying, phosphorus fires this train of associations in an instant; its luminous vapors with their penetrating odor throw me into a trance; it comes to me in a double sense "trailing clouds of glory.
It can be proved to him, by a very simple analysis of some of his spare elements, that every Sunday, when he does his duty faithfully, he uses up more phosphorus out of his brain and nerves than on ordinary days.
If I take some pieces ofphosphorus and place them upon a sheet of cartridge paper, and then set fire to the pieces of phosphorus, curiously enough, the ignited phosphorus will not set fire to the paper.
It is essential, therefore, as you see, in the first instance, to put something on the match that the ignited phosphorus will easily fire, and which will ignite the wood.
Amongst other peculiarities it was found that red phosphorus was not a poison, whilst the yellowphosphorus was, as I told you, very poisonous indeed.
The end of the splints are generally scorched by contact with a hot plate before they are dipped in the paraffin, after which the phosphorus composition is applied to the match.
The second invention for the purpose of utilizing phosphorus for getting fire was by scraping with a match a little phosphorus from a bottle coated with a phosphorus composition, and firing it by friction.
I will place in the centre of my flame some phosphorus which is at the present moment in a state of active burning, and observe how instantly the combustion of the phosphorus ceases so soon as it gets into the centre of the flame.
I will pour these solutions on blotting-paper, when you will find that the solution of the yellow phosphorus will before long catch fire spontaneously (Fig.
You will notice that the red phosphorus does not catch fire quite so readily as the yellow.
The chief thing that struck Brandt about phosphorus was its property of shining in the dark without having previously been exposed to light.
I should like to show you what very different properties these two kinds of phosphorus possess.
Originally the price of phosphoruswas sufficient to prevent its every-day use.
I suppose the dial had phosphorus on it," rejoined Christopher.
Now as a man's watch stays most of the time in his pocket, a watch dial treated with phosphorus would have no opportunity to regain its phosphorescence.
Phosphorus was found to be entirely impractical for the purpose, because, you see, phosphorus must at intervals be placed where it can absorb the light in order to retain its brilliancy.
We hoped to find some cheap method of restoring nitrogen andphosphorus to the worn-out soil which our poor peasants till.
Phosphorus enters into combination with oxygen, azote, hydrogen, and carbon.
Phosphorus is soluble in oils, and, when thus dissolved, forms what has been called liquid phosphorus, which may be rubbed on the face and hands without injury.
In the year 1774, the Swedish chemists, Gahn and Scheele, made the important discovery, that phosphorus is contained in the bones of animals; and they improved the processes for procuring it.
Darwin, referred it to the slow combustion of some combination of phosphorus secreted from their fluids by an appropriate organization, and entering into combination with the oxygen supplied in respiration.
On putting a common sulphur match into the bottle, and stirring it about, the phosphorus will adhere to the match, and will take fire when brought out into the air.
When phosphorus is heated to the temperature of 148 deg.
The phosphoric matches consist of phosphorusextremely dry, minutely divided, and perhaps a little oxygenized.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "phosphorus" in a variety of sentences. We hope that you will now be able to make sentences using this word.
