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We found that Gordon-Nasmyth, still unaware of the altered value of the stuff, and still thinking of the experimental prices of radium and the rarity value of cerium, had got hold of a cousin named Pollack, made some extraordinary transaction about his life insurance policy, and was buying a brig.
The house shown in the illustration was lately erected from the designs of Mr. Charles Bell, F.R.I.B.A. Although sufficiently commodious, the cost has been only about 1,050l. The Architect. Valerianate of cerium in the vomiting of pregnancy is recommended by Dr. Blondeau in a communication to the Societe de Therapeutique. He gives it in doses of 10 centigrammes three times a day. Medical Record.
These are platinum, gold, tungsten, mercury, lead, palladium, silver, bismuth, uranium, vanadium, copper, cadmium, cobalt, arsenic, nickel, iron, molybdenum, tin, zinc, antimony, tellurium, manganese, tatiaum, chromium, columbium, rhodium, iridium, osmium, cerium. Many of these, however, are so rare, that as yet they are of no practical use.
It tarnishes more easily and inflames less easily than cerium. Didymium resembles lauthanum. The metals were all obtained by electrolysis of the chlorides.
Hillebrand and Norton, in Bunsen's laboratory. Cerium looks like iron, having both its color and lustre, but is heavier, and has the hardness of calcite. It tarnishes slowly in dry air and rapidly in moist air. It ignites so readily that pieces scratched off inflame, and its wire burns more brilliantly than magnesium wire. Lauthanum is a little harder, but also a little lighter.
It was before the days of Capern's discovery of the value of canadium and his use of it in the Capern filament, but the cerium and thorium alone were worth the money he extracted for the gas-mantles then in vogue. There were, however, doubts. Indeed, there were numerous doubts. What were the limits of the gas-mantle trade? How much thorium, not to speak of cerium, could they take at a maximum.
Paramagnetic Diamagnetic Iron Bismuth Nickel Phosphorus Cobalt Antimony Aluminium Zinc Manganese Mercury Chromium Lead Cerium Silver Titanium Copper Platinum Water Many ores and Alcohol salts of the Tellurium above metals Selenium Oxygen Sulphur Thallium Hydrogen Air We have theories of magnetism that reduce it to a phenomenon of electricity, though we are ignorant of the real nature of both.
Sir William Ramsay regards his experimental results as establishing a large probability in favour of the assertion that compounds of copper were transformed into compounds of lithium and sodium, and compounds of thorium, of cerium, and of certain other rare metals, into compounds of carbon. The experimental evidence in favour of this statement has not been accepted by chemists as conclusive.
And there are other metals, such as cerium, which, giving a still more complex spectrum, would doubtless be still more numerously resolved.
Then if a hydrocarbon is present, the passage of a spark from a Ruhmkorff's coil will cause the appearance of a sky-blue light. Viewed with the spectroscope, this presents the spectrum of carbon, and generally so brilliant as to mask totally the spectra of other gases present. The rare metals cerium, lauthanum, and didymium have been lately investigated by Drs.
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