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Potassium   /pətˈæsiəm/   Listen
Potassium

noun
1.
A light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite.  Synonyms: atomic number 19, K.



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"Potassium" Quotes from Famous Books



... sulphate is deposited as crystals of gypsum, but when the solution contains an excess of sodium or potassium chloride anhydrite is deposited. This is one of the several methods by which the mineral has been prepared artificially, and is identical with its mode of origin in nature, the mineral having ...
— Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 • Various

... The human waste must be disposed of. They return it to the soil. We turn it into the sea. Doing so, they save for plant feeding more than a ton of phosphorus (2712 pounds) and more than two tons of potassium (4488 pounds) per day for each million of adult population. The mud collects in their canals and obstructs movement. They must be kept open. The mud is highly charged with organic matter and would add humus to the soil if applied to ...
— Farmers of Forty Centuries - or, Permanent Agriculture in China, Korea and Japan • F. H. King

... often for hours; strychnine, which acts through the nerves, producing convulsions and sometimes a fixed distortion of the features, which even the relaxation of death cannot remove; corrosive sublimate, prussic acid, cyanide of potassium—too quick and deadly. It must be a poison, if poison at all, which will bring about a sensible progression through perceptible stages of suffering, so that during this time the efficiency of physical pain may be raised by the addition of ...
— The Ape, the Idiot & Other People • W. C. Morrow

... Mrs. Wood followed her, saying: "If ever you want to kill a cat, Laura, give it cyanide of potassium. I killed a poor old sick cat for Mrs. Windham the other day. We put half a teaspoonful of pure cyanide of potassium in a long-handled wooden spoon, and dropped it on the cat's tongue, as near the throat ...
— Beautiful Joe • Marshall Saunders

... remember the girl who dropped the sulphuric acid into the something of potassium? I nearly made a great discovery ...
— Roden's Corner • Henry Seton Merriman

... which is free from lime have a tendency to give rise to twins. The writer has recently found that twins can be produced not only by the absence of lime, but also through the absence of sodium or of potassium; in other words, through the absence of one or two of the three important metals in the sea-water. There is, however, a second condition, namely, that the solution used for the production of twins must have a neutral or at least not ...
— Darwin and Modern Science • A.C. Seward and Others

... lines under the tail may have the tail set high by cutting the cords on its lower surface, or it may be prevented from getting over the reins by having a strap carried from its free end to the breeching. Those proving troublesome when "in heat" may have 4-dram doses of bromid of potassium, or they may be served by the male or castrated. Sometimes irritability may be lessened by daily doses of belladonna extract (1 dram), or a better tone may be given to the parts by ...
— Special Report on Diseases of the Horse • United States Department of Agriculture

... process for the production of non-alcoholic beer it is admitted that salt, gum arabic, quassia, a pepsin compound and meta-bisulphite of potassium, or another suitable drug, are some of the materials used in brewing ...
— Government By The Brewers? • Adolph Keitel

... a deadly poison, and the greatest care is required in its use. Always use 98 to 100 per cent pure potassium cyanide and a good grade of commercial sulfuric acid. The chemicals are always combined in the following proportion: Potassium cyanide, 1 oz.; sulfuric acid, 2 fluid oz.; water, 4 fluid oz. Always use an earthen ...
— Manual of Gardening (Second Edition) • L. H. Bailey

... strain and again boil the galls with a gallon of water and strain; mix the liquors, and add immediately 10 oz. of copperas in coarse powder and 8 oz. of gum arabic; agitate until solution of these latter is effected, add a few drops of solution of potassium permanganate, strain through a piece of hair cloth, and after permitting to settle, bottle. The addition of a little extract of logwood will render the ink blacker when first written with. Half an ounce of sugar to the gallon will render it a good copying ink. 2. Shellac, 4 ...
— Scientific American, Volume XLIII., No. 25, December 18, 1880 • Various

... Society for the Encouragement of Arts, that the nitrate of zinc may be substituted for acetic acid in the preparation of photographs on paper; that it increases the sensitiveness of the silver coating, and even allows an alkaline reaction to the iodide of potassium bath. ...
— The International Monthly, Volume 3, No. 2, May, 1851 • Various

... entirely arbitrary laws. It has been the pride of modern chemistry to extricate herself from the vanity of the alchemist, and to admit, with resignation, the independent, though apparently fraternal, natures, of silver, of lead, of platinum,—aluminium,—potassium. Hence, a rational philosophy would deduce the probability that when the arborescence of dead crystallization rose into the radiation of the living tree, and sentient plume, the splendor of nature in her more exalted power would not be restricted to a less variety of design; and the beautiful ...
— Love's Meinie - Three Lectures on Greek and English Birds • John Ruskin

... have, in the experimental battery, a solution of potassium hydrate," replied the lad, "but I think I'm going to change it, and add some lithium hydrate to it. I think that will make ...
— Tom Swift and his Electric Runabout - or, The Speediest Car on the Road • Victor Appleton

... and he observed to a mutual friend that I was evidently suffering seriously from threatening nervous symptoms, and that he would like to attend me. He did so, and gave me daily a teaspoonful of bromide of potassium. This gave me sleep and appetite; but, after some weeks or months, the result was a settled, mild melancholy and tendency to rest. In fact, it was nearly eighteen months before I recovered so that I could write or work, and ...
— Memoirs • Charles Godfrey Leland

... pecans, one in Georgia, one in Alabama and one in Mississippi. They reported that they had improved yield on pecans by using complete mineral fertilizer. That's in addition to nitrogen, phosphorus and potassium. ...
— Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting - Rockport, Indiana, August 25, 26 and 27, 1952 • Various

... impression, and the remote little world by the Golden Gate was shaken into startled and enquiring astonishment. Wherever people met, The Case of Summerfield was on men's tongues. Was Caxton's contention possible? Was it true that, by the use of potassium, water could be set on fire, and that any one possessing this baneful secret could destroy the world? The plausibility with which the idea was presented, the bare directness of the style, added to its convincing ...
— The Case of Summerfield • William Henry Rhodes

... from taking milk and butter during fast times when they are forbidden to the Orthodox, but more probably from the fact of their having colonies on either bank of the river Molochnaia, so called from the whiteness of its waters, due to potassium salts. They are very closely akin to the Dukhobortsy, of which sect they are an offshoot. They hope for a millennium, and to this end tend all their communistic experiments; for each of their village settlements is striving to manufacture its own earthly Paradise and run it ...
— Russia - As Seen and Described by Famous Writers • Various

... the stalks from time to time, till you get a sufficient quantity to produce after burning them enough ashes for the experiment. Well, by analyzing those ashes, you will obtain silicic acid, aluminium, phosphate and carbonate of lime, carbonate of magnesia, the sulphate and carbonate of potassium, and oxide of iron, precisely as if the cress had grown in ordinary earth, beside a brook. Now, those elements did not exist in the brimstone, a simple substance which served for soil to the cress, nor in the distilled water ...
— The Alkahest • Honore de Balzac

... about myself? I am not stiff, I have ... I don't know what. Bromide of potassium has calmed me and given me eczema on ...
— The George Sand-Gustave Flaubert Letters • George Sand, Gustave Flaubert

... in the institution, save "old" Moss, head of the department, and even him they puzzled and edified more than once. Lloyd's discovery of the "death bacillus" of the sea toad, and his experiments on it with potassium cyanide, sent his name and that of his university ringing round the world; nor was Paul a whit behind when he succeeded in producing laboratory colloids exhibiting amoeba-like activities, and when he ...
— Moon-Face and Other Stories • Jack London

... proved that these invisible hands were, after all, material, and limited in their powers. He proved that the 'spirits' shared all Eusapia's likes and dislikes, and knew no more of chloride of iron or ferro-cyanide of potassium than she herself possessed—in short, while admitting the mystery of the process, he reduces all these phenomena to human, terrestrial level, and relates them wholly and simply to the brain and will of the psychic. Perhaps ...
— The Shadow World • Hamlin Garland

... I have just come from consulting my medical man, for I could no longer get any sleep. He found that my pulse was high, my eyes dilated, my nerves highly strung, but no alarming symptoms. I must have a course of shower-baths and of bromide of potassium. ...
— Library of the World's Best Mystery and Detective Stories • Edited by Julian Hawthorne

... collected as a drop at the bottom of that vessel. I have here a chemical substance, discovered by Sir Humphrey Davy, which has a very energetic action upon water, which I shall use as a test of the presence of water. If I take a little piece of it—it is called potassium, as coming from potash,—if I take a little piece of it, and throw it into that basin, you see how it shews the presence of water by lighting up and floating about, burning with a violent flame. I am now going to take away the candle which has ...
— The Chemical History Of A Candle • Michael Faraday

... We understand. You have a couple of thousand pounds in exchequer bills, 50,000 shares worth tenpence a dozen, and half a dozen tabloids of cyanide of potassium to poison yourself with when you are found out. That's the ...
— Heartbreak House • George Bernard Shaw

... in what the theater people call 'atmosphere.' Some of your facts, Mr. Ingerman, remind me of an expert's report in a mining prospectus. When tested by cyanide of potassium the gold in the ore often changes into iron pyrites. But don't hug the delusion that I shall neglect Steynholme. The murderer is there, not in London, and, unless my intellect is failing, he will be tried for his life at the next Lewes Assizes. Meanwhile, ...
— The Postmaster's Daughter • Louis Tracy

... most easily made use of by plants as a source of this important element. It should be stated also that there are other compounds in the soil which furnish plants with part of their food—compounds containing potassium, phosphorus, and some other elements. For simplicity's sake, however, these will be left out of consideration. Beginning at the bottom of the cycle (Fig. 25 A), plant life seizes the gases from the air ...
— The Story Of Germ Life • H. W. Conn

... though they be, physicians know absolutely nothing of neurotic diseases, being ignorant of their origins. Like the others, this one would prescribe the eternal oxyde of zinc and quinine, bromide of potassium and valerian. He had recourse to another thought: "If these remedies have availed me little in the past, could it not be due to the fact that I have ...
— Against The Grain • Joris-Karl Huysmans

... foreign substance, such as mercury or lead. About 70 per cent of the body is oxygen, which is also the most abundant element of the earth. Then in order of their weight come carbon, hydrogen, nitrogen, calcium, phosphorus, sulphur, sodium, chlorine, fluorine, potassium, iron, magnesium and silicon. ...
— Maintaining Health • R. L. Alsaker

... some pure tartrate of lime, in the form of a granulated, crystalline powder, into pure water, together with some sulphate of ammonia and phosphates of potassium and magnesium, in very small proportions, a spontaneous fermentation will take place in the deposit in the course of a few days, although no germs of ferment have been added. A living, organized ferment, of the vibrionic type, filiform, with tortuous ...
— The Harvard Classics Volume 38 - Scientific Papers (Physiology, Medicine, Surgery, Geology) • Various

... inks contain nitrate of silver, the stain of which may be removed by first soaking in a solution of common salt, and afterward washing with ammonia. Or use solution of ten grains of cyanide of potassium and five grains of iodine to one ounce of water, or a solution of eight parts each bichloride of mercury and chloride of ammonium in one hundred and ...
— The Whitehouse Cookbook (1887) - The Whole Comprising A Comprehensive Cyclopedia Of Information For - The Home • Mrs. F.L. Gillette

... necessary to fight the gravitational pull of a planet to get them. The stony asteroids average thirty-six per cent oxygen by mass; the rest of it is silicon, magnesium, aluminum, nickel, and calcium, with respectable traces of sodium, chromium, phosphorous manganese, cobalt, potassium, and titanium. The metallic nickel-iron asteroids made an excellent source of export products to ship to Earth, but the stony ...
— Thin Edge • Gordon Randall Garrett

... recent advance in photographic printing with iron salts, the process which has been worked out and patented by W. Willis, Jr., being a development of such printing. Its principle is that a solution of ferrous oxalate in neutral potassium oxalate is effective as a developer. A paper is coated with a solution of ferric oxalate and platinum salts and then exposed behind a negative. It is then floated in a hot solution of neutral potassium oxalate, when ...
— Crayon Portraiture • Jerome A. Barhydt

... and died in Geneva. Besides inventing the miner's safety lamp, with which his name will be forever associated, he made valuable experiments in photography; discovered that the causes of chemical and electrical attraction are identical; produced potassium and sodium by the electric current; proved the transformation of energy into heat; formulated a theory of the properties of particles of matter (or atoms); and made remarkable experiments which led to the theory of the binary composition of chemical compounds. Young was ...
— A History of the Nineteenth Century, Year by Year - Volume Two (of Three) • Edwin Emerson

... end-products, aromatic compounds, coloring matter, and mucin form the organic matter. The nitrogenous end-products and aromatic compounds are urea, uric and hippuric acids, benzoic acid and ethereal sulfates of phenol and cresol. The salts are sulfates, phosphates and chlorides of sodium, potassium, calcium and magnesium. The organic and inorganic matter varies with ...
— Common Diseases of Farm Animals • R. A. Craig, D. V. M.

... form of a something, which seems to make phosphorus, iodine, bromine, and certain other substances: and as for hydrogen—I know as little about it. I don't know but what all the metals, gold, silver, iron, tin, sodium, potassium, and so forth, are not different forms of hydrogen, or of something else which is the parent of hydrogen. In fact, I know but very little about the matter; except this, that I do know very little; and that the more I experiment, ...
— Scientific Essays and Lectures • Charles Kingsley

... a comparison, while superficially plausible, upon reflection is seen to be beside the mark. We really cannot plead such inexperience of right and wrong, such ignorance of moral safety and moral danger, as would furnish a true parallel between playing with temptation and playing with cyanide of potassium. In setting before us "life and good, and death and evil," God has as distinctly placed within our hearts the moral intuition which, says, "Therefore choose life." But why, the questioner proceeds, have made sin even possible? Because, we answer, not to have done so would have ...
— Problems of Immanence - Studies Critical and Constructive • J. Warschauer

... projects illustrate the caviler attitude toward environment and health in 1913. These projects involve items such as gunpowder, acetylene, hydrogen, lead, mercury, sulfuric acid, nitric acid, cadmium, potassium sulfate, potassium cyanide, potassium ferrocyanide, copper sulfate, and hydrochloric acid. Several involve the construction of hazardous electrical devices. Please view these as snapshots of culture and attitude, not ...
— The Boy Mechanic: Volume 1 - 700 Things For Boys To Do • Popular Mechanics

... cells of the leaves. The dilute mineral solutions absorbed by the roots[1] are thus brought where they are in contact with the external air, concentrated by the evaporation of water, and converted in these cells into food materials, such as starch. The presence of certain mineral matters, as potassium, iron, etc., are necessary to this assimilating process, but the reason of their necessity is imperfectly understood, as they do not enter in the ...
— Outlines of Lessons in Botany, Part I; From Seed to Leaf • Jane H. Newell

... names in pretentious associations, or lurking in solitary dens behind doors left ajar, make no real contributions to the art of healing. When they bring forward a remedial agent like chloral, like the bromide of potassium, like ether, used as an anesthetic, they will find no ...
— The Autocrat of the Breakfast-Table • Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)

... close combination with its fuel, the carbon and hydrogen, that no black particles of carbon can get away unburnt. In the old-fashioned gunpowder the oxygen necessary for the combustion of the carbon and sulfur was in a separate package, in the molecule of potassium nitrate, and however finely the mixture was ground, some of the atoms, in the excitement of the explosion, failed to find their proper partners at the moment of dispersal. The new gunpowder besides being smokeless is ashless. There is no black sticky mass of potassium ...
— Creative Chemistry - Descriptive of Recent Achievements in the Chemical Industries • Edwin E. Slosson

... human justice has been measured out unerringly with poetry and irony to such folk. They are admitted to be saints, but about the time they have got too good for their earthly setting, they have been tied to stakes and lighted up with oil and faggots; or a soda phosphate with a pinch of cyanide of potassium inserted has been handed to them, as in the case of our old friend, Socrates. And it's right. When a man gets too wise and good for his fellows and is embarrassed by the healthful scent of good human nature, ...
— The Delicious Vice • Young E. Allison

... well-known valuable metal, present in clay, bauxite, and a variety of other mineral substances, is electrolytically deposited from a bath of alumina obtained by dissolving bauxite either in potassium fluoride or in cryolite. Aluminium is now coming into extended use in the construction of long-distance electric power ...
— Beacon Lights of History, Volume XIV • John Lord

... fatal dose of that poison. When, however, his evidence was sifted, it was discovered that he had only obtained traces of the poison by the distillation of the stomach with sulphuric acid. As saliva contains ferrocyanide of potassium, out of which sulphuric acid generates prussic acid, the latter substance will always be obtained by the process adopted by Professor Aiken from any stomach which has in it the least particle of saliva. If, then, the professor ...
— Lippincott's Magazine of Popular Literature and Science - April, 1873, Vol. XI, No. 25. • Various

... detonators are used of not less strength than 1 gram charge consisting by weight of 90 parts of mercury fulminate and 10 parts of potassium chlorate (or its equivalent), except for the explosive 'Masurite M. L. F.' for which the detonator shall be of not less strength than 1 ...
— Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 • Herbert M. Wilson

... the long and still watches of the night, while he stared at the ceiling, or counted the hours that must pass before his next dose of bromide of potassium, a new turn had ...
— The Pit • Frank Norris

... sea-water is, in a thousand parts, approximately, as follows: Water, 964 parts; Common Salt, 27; Chloride of Magnesium, 3.6; Chloride of Potassium, 0.7; Sulphate of Magnesia, (Epsom Salts,) 2; Sulphate of Lime, 1.4; Bromide of Magnesium, Carbonate of Lime, etc., .02 to .03 parts. Now the Bromide of Magnesium, and Sulphate and Carbonate of Lime, occur in such small quantities, that they can be safely omitted in making artificial ...
— Atlantic Monthly, Volume 8, No. 47, September, 1861 • Various

... a few scratches on this fourth sheet of paper - so. It leaves no mark. But it has the remarkable property of becoming red in vapour of sulpho-cyanide. Here is a long-necked flask of the gas, made by sulphuric acid acting on potassium sulphocyanide. Keep back, Dr. Waterworth, for it would be very dangerous for you to get even a whiff of this in your condition. Ah! See - the scratches I made on the paper ...
— The Poisoned Pen • Arthur B. Reeve

... cabbage, peppergrass, water-cress, mustards, and horseradish - by no means protects them from preying worms and caterpillars; but ants, the worst pilferers of nectar extant, let them alone. Authorities declare that the chloride of potassium and iodine these plants contain increase their ...
— Wild Flowers, An Aid to Knowledge of Our Wild Flowers and - Their Insect Visitors - - Title: Nature's Garden • Neltje Blanchan

... something for me. No, I didn't mean that. Don't be angry, old fellow.' He wiped the sweat off himself as he fought to regain composure. 'I'm a bit restless and off my oats, and perhaps you could recommend some sort of sleeping mixture,—bromide of potassium.' ...
— Life's Handicap • Rudyard Kipling

... at the coffee, and then stirred it. Then he put in a little chlorate of potassium, and the family tried it all round; but it tasted no better. Then he stirred in a little bichlorate of magnesia. But Mrs. Peterkin didn't like that. Then he added some tartaric acid and some hypersulphate of lime. But no; it was no better. "I have it!" exclaimed the chemist,—"a little ...
— The Peterkin Papers • Lucretia P Hale

... safe to state at the present time that fertile soils should contain at least the following twenty elements: Nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, hydrogen, carbon, oxygen, iron, sodium, chlorine, aluminum, silicon, manganese, copper, zinc, boron, iodine, ...
— Northern Nut Growers Association Report of the Proceedings at the Thirty-Seventh Annual Report • Various

... are not at all necessary for the postulation of wildly variant life forms. Earth itself was prolific in its variations; Earthlike planets were equally inventive. Carbon, hydrogen, and oxygen, plus varying proportions of phosphorus, potassium, iodine, nitrogen, sulfur, calcium, iron, magnesium, manganese, and strontium, plus a smattering of trace elements, seem to be able to cook up all kinds of life under ...
— Cum Grano Salis • Gordon Randall Garrett

... the calotype, he gave a formula for the addition of bromide of potassium to the iodide of potassium, but did not speak with much certainty as to the proportions. Will he kindly say whether he has made farther trials; and if so, whether they confirm the proportions given by him, or have led him to adopt any change in this respect? ...
— Notes and Queries, Number 227, March 4, 1854 • Various

... definitions given above includes the sodium and potassium salts of rosin, commonly called rosin soap, for the acid constituents of rosin have been shown to be aromatic, but in view of the analogous properties of these resinates to true soap, they are generally regarded as legitimate ...
— The Handbook of Soap Manufacture • W. H. Simmons

... effects made through this tank is with a three-grains-to-the-ounce solution of bichromatic of ammonia or bichromate of potassium. In this method there is no preparation used on the plate. A common rapid dry plate is exposed through this solution; the exposure, however, is about twenty times longer than it would be if you removed ...
— Scientific American Supplement, No. 711, August 17, 1889 • Various

... many times more salt, and much more soda, sulphur, magnesia, chlorine, bromine and potassium than any ocean water on the globe. It is powerful in medicinal virtues, curing or benefiting many forms of rheumatism, rheumatic gout, dyspepsia, nervous disorders and cutaneous diseases, and it acts like magic on the ...
— My Native Land • James Cox

... simpler. Animals can break down, reassemble and destroy organic matter but they cannot create it. Only plants can make organic materials like cellulose, proteins, and sugars from inorganic minerals derived from soil, air or water. The elements plants build with include calcium, magnesium, potassium, phosphorus, sodium, sulfur, iron, zinc, cobalt, boron, manganese, molybdenum, carbon, nitrogen, oxygen, and ...
— Organic Gardener's Composting • Steve Solomon

... oxygen absorbed; 2. To destroy the carbonic acid breathed out. Nothing easier to do by means of chlorate of potash and caustic potash. The former is a salt which appears under the form of white crystals; when heated to a temperature of 400 deg. it is transformed into chlorine of potassium, and the oxygen which it contains is given off freely. Now 18 lbs. of chlorate of potash give 7 lbs of oxygen—that is to say, the quantity necessary to ...
— The Moon-Voyage • Jules Verne

... compound from aloe, used as a laxative. alum Double sulfates of a trivalent metal such as aluminum, chromium, or iron and a univalent metal such as potassium or sodium, especially aluminum potassium sulfate, AlK(SO4)2 12H2O, widely used in industry as clarifiers, hardeners, and purifiers and medicinally ...
— Mother's Remedies - Over One Thousand Tried and Tested Remedies from Mothers - of the United States and Canada • T. J. Ritter

... to swallow twenty grains or so of potassium bromide I can not conceive any pleasanter way of taking them than mixed with ...
— The Strange Case of Mortimer Fenley • Louis Tracy

... from the atmosphere. With none of these elements, then, does the farmer need to concern himself in regions where the water supply is abundant, as they are, and will continue to be, plentifully supplied by nature. But the other three, (8) nitrogen, (9) potassium, and (10) phosphorus, are needed by plants in large quantities, and are taken from the soil far more rapidly than nature can ...
— Checking the Waste - A Study in Conservation • Mary Huston Gregory

... know,' says he, rubbing his eyes. 'I guess I must have been out of my head. Too much whisky!' Then he says: 'Put me to bed, will you, Bandy? I feel all gone in.' Well, I put him to bed and went out to get some bromide of potassium; he said that made him sleep and kept his nerves steady. Coming back, I met a bell-boy just outside of Van's door, and told him to ask the hotel doctor to come up. You see, I had not opened the door of the room yet, and ...
— Vandover and the Brute • Frank Norris

... meddling has lost him the golden opportunity of aborting the disease. If secondaries appear, a bottle or two of XYZ Specific, again at the suggestion of the all-knowing drug clerk, containing a little mercury and potassium iodid, disposes of a mild eruption, and a year or so later a marriage with subsequent mucous recurrences and the infection of the wife signalizes the triumph of ignorance and public shortsightedness. The health commissioner ...
— The Third Great Plague - A Discussion of Syphilis for Everyday People • John H. Stokes

... of operating is to employ an excess of copper sulphate and to determine the copper dissolved in the filtrate. The separation of copper from cadmium being difficult and laborious, and the volumetric estimation with potassium cyanide not practicable, it is not prudent ...
— Scientific American Supplement, No. 455, September 20, 1884 • Various



Words linked to "Potassium" :   carnallite, seawater, kainite, sylvite, metallic element, langbeinite, saltwater, brine, metal, potassium dichromate, potassium nitrate, sylvine



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