Chemical News and Journal of Physical Science, Tom 103Chemical news office., 1911 |
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Strona 12
... acetic anhydride if the reaction is not allowed to proceed too quickly , the tem- perature does not exceed 70 ° , and the reagents are used in the proportion of 160 grms . of pure nitric acid , 100 grms . of crystallised acetic acid ...
... acetic anhydride if the reaction is not allowed to proceed too quickly , the tem- perature does not exceed 70 ° , and the reagents are used in the proportion of 160 grms . of pure nitric acid , 100 grms . of crystallised acetic acid ...
Strona 15
... actually met with in analysis , it was then made alkaline with caustic soda until the precipitate first formed had re - dissolved , and finally acid once more with acetic acid . During analysis a drop No. Cu taken . Grm . Cu found . Grm.
... actually met with in analysis , it was then made alkaline with caustic soda until the precipitate first formed had re - dissolved , and finally acid once more with acetic acid . During analysis a drop No. Cu taken . Grm . Cu found . Grm.
Strona 16
... acetic . CC . Cc . Grms . Cc . Mins . I. 0 * 3067 0'3050 2 . 0'3067 0'3054 3 . 0 * 3067 0'3082 4 . 0'3067 0'3065 5 . 0.3067 0.3066 6 . 0 * 3067 0'3065 7 . 0.3067 0'3064 8 . 0 * 3067 0 * 3069 9 . 0 * 3067 0.3070 333333333 4.6 16 0'75 2 4 ...
... acetic . CC . Cc . Grms . Cc . Mins . I. 0 * 3067 0'3050 2 . 0'3067 0'3054 3 . 0 * 3067 0'3082 4 . 0'3067 0'3065 5 . 0.3067 0.3066 6 . 0 * 3067 0'3065 7 . 0.3067 0'3064 8 . 0 * 3067 0 * 3069 9 . 0 * 3067 0.3070 333333333 4.6 16 0'75 2 4 ...
Strona 24
... acetic acid the solution yields a - chlor - 8- oxyisovalerianic ether of formula- CH > C ( OH ) -CHCI CO2C2H ̧ . From this ether , dimethyl glycidic ether can be obtained by treatment with the theoretical amount of sodium ethylate ...
... acetic acid the solution yields a - chlor - 8- oxyisovalerianic ether of formula- CH > C ( OH ) -CHCI CO2C2H ̧ . From this ether , dimethyl glycidic ether can be obtained by treatment with the theoretical amount of sodium ethylate ...
Strona 28
... acetic acid until carbon dioxide is no longer given off on heating . The liquid is then evaporated to dryness , the residue taken up with hot water ( slightly acidified with acetic acid ) , filtered , dried , and gently ignited and ...
... acetic acid until carbon dioxide is no longer given off on heating . The liquid is then evaporated to dryness , the residue taken up with hot water ( slightly acidified with acetic acid ) , filtered , dried , and gently ignited 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