Chemical News and Journal of Physical Science, Tom 103Chemical news office., 1911 |
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Strona 3
... important to discover if there has been a change in the quality of the gas oils . Specific gravity tests and fractionations do not throw a great deal of light on the subject , but further tests are usually dispensed with , as they are ...
... important to discover if there has been a change in the quality of the gas oils . Specific gravity tests and fractionations do not throw a great deal of light on the subject , but further tests are usually dispensed with , as they are ...
Strona 4
... important of the open chain or aliphatic series . They are the principal constituents of Pennsylvania petroleum , and have been found in all petroleum except California ( Mabery and Hudson , Am . Chem . Journ . , April , 1901 , p . 255 ) ...
... important of the open chain or aliphatic series . They are the principal constituents of Pennsylvania petroleum , and have been found in all petroleum except California ( Mabery and Hudson , Am . Chem . Journ . , April , 1901 , p . 255 ) ...
Strona 6
... important effect a mixture of oils and the products of bromination may have on the amount of bromine absorbed . To test the effect of mixing oils on bromine absorption , the Detroit and San Antonio oils were mixed in exactly equal ...
... important effect a mixture of oils and the products of bromination may have on the amount of bromine absorbed . To test the effect of mixing oils on bromine absorption , the Detroit and San Antonio oils were mixed in exactly equal ...
Strona 7
... important causes of low efficiency . Intermittent addition of electrolyte caused irregularities in the height of the melt and its temperature , especially the latter . Too great cooling of the electrolyte caused the deposition of the ...
... important causes of low efficiency . Intermittent addition of electrolyte caused irregularities in the height of the melt and its temperature , especially the latter . Too great cooling of the electrolyte caused the deposition of the ...
Strona 9
... importance . Some green phosphorescence in a few minutes . The pump was fitted thirty - six firms were represented , and no pains were spared with a novel form of McLeod gauge , in which the capacity to make the exhibits interesting and ...
... importance . Some green phosphorescence in a few minutes . The pump was fitted thirty - six firms were represented , and no pains were spared with a novel form of McLeod gauge , in which the capacity to make the exhibits interesting and ...
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absorption acetic acid action alcohol alkali alloy amalgam ammonia ammonium amount Analysis apparatus atomic weight B.Sc boiling bromine calcium carbon cent Chem CHEMICAL NEWS Office chemists chloride CLERKENWELL ROAD cobalt colour compounds concentrated condenser containing copper crucible crystalline crystals D.Sc determined dilute dioxide dissolved Edition electric electrolyte ether ethyl evaporated experiments Farringdon Street formed fractions G. S. Newth gases grms heat hydrate hydrazine hydrochloric acid hydrogen Inorganic Laboratory liquid London Manufacture melting mercury metal method mgrms mixture molecular molecules neodymium Newcastle Street nitrate nitric acid nitrogen obtained Organic Chemistry oxide oxidising oxygen paper Physical platinum post free potassium Practical praseodymium precipitate prepared present pressure Prof pure quantity radium reaction reagent residue Royal salt silver Sir William Crookes Society sodium soluble solution solvent substance sulphate sulphuric acid temperature Text-book tion tube vapour volume W. H. Perkin zinc ΙΟ