Chemical News and Journal of Physical Science, Tom 103Chemical news office., 1911 |
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Strona 1
... amount of sodium ) . • A small amount of potassium ethylate usually separated out during the action of the metal , but seemed to have no bad effect upon the reduction . After the action had become less vigorous , about 2 cc . of alcohol ...
... amount of sodium ) . • A small amount of potassium ethylate usually separated out during the action of the metal , but seemed to have no bad effect upon the reduction . After the action had become less vigorous , about 2 cc . of alcohol ...
Strona 5
... amount of bromine an oil will take up is not a recent one , but dates back to 1857 , to Cailletet , a Frenchman , who describes a method of treating oil with an alcoholic solution of bromine , and titrating the excess bromine with a ...
... amount of bromine an oil will take up is not a recent one , but dates back to 1857 , to Cailletet , a Frenchman , who describes a method of treating oil with an alcoholic solution of bromine , and titrating the excess bromine with a ...
Strona 6
... amount of moisture is even more effective in accomplishing the same result . The addition of the bromine solution and subsequent titration with sodium thiosulphate need not , however , be made under artificial light , as by carefully ...
... amount of moisture is even more effective in accomplishing the same result . The addition of the bromine solution and subsequent titration with sodium thiosulphate need not , however , be made under artificial light , as by carefully ...
Strona 7
... amount of hydrobrobromic acid formed during the bromination is determined . The total amount of bromine absorption and the per cent of hydrobromic acid formed are considered together in deciding as to the type of oil . For purposes of ...
... amount of hydrobrobromic acid formed during the bromination is determined . The total amount of bromine absorption and the per cent of hydrobromic acid formed are considered together in deciding as to the type of oil . For purposes of ...
Strona 12
... amount of salt which induces the maximum amount of diastatic activity for each kind of yeast . Too great a quantity of nitrate hinders fermentation . Manganese nitrate acts more energetically than an equal amount of potassium nitrate ...
... amount of salt which induces the maximum amount of diastatic activity for each kind of yeast . Too great a quantity of nitrate hinders fermentation . Manganese nitrate acts more energetically than an equal amount of potassium nitrate ...
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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