Chemical News and Journal of Physical Science, Tom 106Chemical news office., 1912 |
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Strona 1
... separation from sodium , 10 cc . of a saturated solution of sodium sulphate were added to each 25 cc . sample of the standard yttrium chloride solution . Sodium hydroxide , the first reagent employed , gave the following results : - No ...
... separation from sodium , 10 cc . of a saturated solution of sodium sulphate were added to each 25 cc . sample of the standard yttrium chloride solution . Sodium hydroxide , the first reagent employed , gave the following results : - No ...
Strona 2
... separated as the oxalate in the presence of ammonium chloride . In the Presence of Iron . Ten cc . of a 10 per cent ... separation of yttrium from sodium . 2. A double precipitation with the same reagent gives a complete separation from ...
... separated as the oxalate in the presence of ammonium chloride . In the Presence of Iron . Ten cc . of a 10 per cent ... separation of yttrium from sodium . 2. A double precipitation with the same reagent gives a complete separation from ...
Strona 5
... separation with a Wetherill to Mr. Scrivenor by Mr. R. L. Corbett , who stated that he machine , using a current of from 70 to 75 volts and to to 14 ampères . As received at the Imperial Institute the sample con- sisted of coarse ...
... separation with a Wetherill to Mr. Scrivenor by Mr. R. L. Corbett , who stated that he machine , using a current of from 70 to 75 volts and to to 14 ampères . As received at the Imperial Institute the sample con- sisted of coarse ...
Strona 6
... separated in the usual way . The sulphuric acid solution was diluted , nearly neutralised with dilute ammonia , and ... separation of tantalic and niobic oxides from the titanium dioxide . Amongst these may be mentioned the following ...
... separated in the usual way . The sulphuric acid solution was diluted , nearly neutralised with dilute ammonia , and ... separation of tantalic and niobic oxides from the titanium dioxide . Amongst these may be mentioned the following ...
Strona 7
... separated from the titanium as above , were separated by the Marignac method . By this means the quantity of niobic oxide found was 7.2 per cent . This result is probably slightly in excess of the quantity actually present , owing to ...
... separated from the titanium as above , were separated by the Marignac method . By this means the quantity of niobic oxide found was 7.2 per cent . This result is probably slightly in excess of the quantity actually present , owing to ...
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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...