Chemical News and Journal of Physical Science, Tom 106Chemical news office., 1912 |
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Strona 5
... removed by being allowed to cool in the open air . And now , in conclusion , I must emphasise two points . The first ... removing suspended matter , are seldom to be depended upon to deprive the water of germ life , and at the best ...
... removed by being allowed to cool in the open air . And now , in conclusion , I must emphasise two points . The first ... removing suspended matter , are seldom to be depended upon to deprive the water of germ life , and at the best ...
Strona 7
... removing the stannic oxide , estimating the titanium volumetrically by the process given above . An allowance was made for the niobium already found to be present . The titanium dioxide found in this way amounted to 45'74 per cent . The ...
... removing the stannic oxide , estimating the titanium volumetrically by the process given above . An allowance was made for the niobium already found to be present . The titanium dioxide found in this way amounted to 45'74 per cent . The ...
Strona 9
... removed from the solution and dissolved in a small amount of fresh acid , the solution being then united with the ... removing it from suspension in a liquid , by adding hydrogen sulphide in the presence of silver in the solution , could ...
... removed from the solution and dissolved in a small amount of fresh acid , the solution being then united with the ... removing it from suspension in a liquid , by adding hydrogen sulphide in the presence of silver in the solution , could ...
Strona 14
... removed , and only thorium accompanies scandium through all the stages of the purifi . cation . The complete separation of thorium and scandium presents very special difficulties , owing to the remarkable similarity of their chemical ...
... removed , and only thorium accompanies scandium through all the stages of the purifi . cation . The complete separation of thorium and scandium presents very special difficulties , owing to the remarkable similarity of their chemical ...
Strona 14
... removed without causing any considerable loss of scandium . This process was successfully applied to the preparation in the pure state of 100 grms . of scandium oxide . An atomic weight determination carried out with the oxide THE HEAT ...
... removed without causing any considerable loss of scandium . This process was successfully applied to the preparation in the pure state of 100 grms . of scandium oxide . An atomic weight determination carried out with the oxide THE HEAT ...
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Popularne fragmenty
Strona 116 - What a piece of work is a man! how noble in reason! how infinite in faculty! in form and moving how express and admirable! in action how like an angel! in apprehension how like a god! the beauty of the world! the paragon of animals!
Strona 122 - And Jacob said unto Pharaoh, The days of the years of my pilgrimage are an hundred and thirty years: few and evil have the days of the years of my life been, and have not attained unto the days of the years of the life of my fathers in the days of their pilgrimage.
Strona 123 - The world little knows how many of the thoughts and theories which have passed through the mind of a scientific investigator have been crushed in silence and secrecy by his own severe criticism and adverse examination ; that in the most successful instances not a tenth of the suggestions, the hopes, the wishes, the preliminary conclusions have been realized.
Strona 184 - If it contain any added poisonous or other added deleterious ingredient which may render such article injurious to health...
Strona 255 - Chlorine Chromium Cobalt Columbium Copper Dysprosium Erbium Europium Fluorine Gadolinium Gallium Germanium Gold Hafnium Helium Holmium Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lead Lithium Lutecium Magnesium Manganese Mercury...
Strona 255 - Rhodium . . Rubidium Ruthenium Samarium . . Scandium . . Selenium . . Silicon Silver Sodium Strontium . . Sulphur . . Tantalum . . Tellurium . . Terbium . . Thallium . . Thorium . . Thulium . . Tin.. Titanium . . Tungsten . . Uranium . . Vanadium . . Xenon Ytterbium Yttrium . . Zinc Zirconium . . Mo Nd Ne Ni N Os O Pd P Pt K Pr Ra Rn Re Rh Rb Ru Sm Sc Se Si Ag Na Sr...
Strona 184 - ... sold or offered for sale in the District of Columbia or the territories, or insular possessions of the United States, or if it be imported from a foreign country for sale, or if it is intended for export to a foreign country...
Strona 135 - As stated in the charter, it was intended "to give the highest specialized instruction and to provide the fullest equipment for the most advanced training and research in various branches of science, especially in its application to industry.
Strona 118 - It may be that in the progress of science it may yet be possible to construct living protoplasm from nonliving material. The refutation of abiogenesis has no further bearing on this possibility than to make it probable that if protoplasm ultimately be formed in the laboratory, it will be by a series of steps, the earlier steps being the formation of some substance or substances now unknown which are not protoplasm. Such intermediate stages may have existed in the past.
Strona 85 - ... necessary for pursuing it to its full extent, it is proposed to raise a fund by subscription, for constructing a powerful battery, worthy of a national establishment, and capable of promoting the great objects of science. " Already, in other countries, public and ample means have been provided for pursuing these investigations. They have had their origin in this country ; and it would be dishonourable to a nation so great, so powerful, and so rich, if, from the want of pecuniary resources, they...