Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
Z wnętrza książki
Wyniki 1 - 5 z 100
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 16
... acetic . Cc . Mins . I. 0 * 3067 0 * 3050 2 . 0.3067 0'3054 3 . 0.3067 0.3082 0.3067 0 * 3065 5 . 0.3067 0'3066 0.3067 0.3065 0.3067 0'3064 8 . 0.3067 0.3069 9 . 0 * 3067 0.3070 333333333 4.6 16 0'75 2 20 4'7-5'4 15-18 0'75 2 20 4.6 15 ...
... acetic . Cc . Mins . I. 0 * 3067 0 * 3050 2 . 0.3067 0'3054 3 . 0.3067 0.3082 0.3067 0 * 3065 5 . 0.3067 0'3066 0.3067 0.3065 0.3067 0'3064 8 . 0.3067 0.3069 9 . 0 * 3067 0.3070 333333333 4.6 16 0'75 2 20 4'7-5'4 15-18 0'75 2 20 4.6 15 ...
Strona 24
... acetic acid the solution yields a - chlor - 8- oxyisovalerianic ether of formula- CH3 3 > C ( OH ) —CHCI - CO2C2H5 . CH3 From this ether , dimethyl glycidic ether can be obtained by treatment with the theoretical amount of sodium ...
... acetic acid the solution yields a - chlor - 8- oxyisovalerianic ether of formula- CH3 3 > C ( OH ) —CHCI - CO2C2H5 . CH3 From this ether , dimethyl glycidic ether can be obtained by treatment with the theoretical amount of sodium ...
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 ...
Strona 36
... acetic ether in pre- sence of sodium ethylate , hexahydrobenzoylacetone , C6H11.CO.CH2.CO.CH3 , is formed ; it is a colourless liquid with a very penetrating odour . No. 25 , December 19 , 1910 . This number contains no chemical matter ...
... acetic ether in pre- sence of sodium ethylate , hexahydrobenzoylacetone , C6H11.CO.CH2.CO.CH3 , is formed ; it is a colourless liquid with a very penetrating odour . No. 25 , December 19 , 1910 . This number contains no chemical matter ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorption acetic acid action alcohol alkali alloy aluminium amalgam ammonia ammonium amount analysis apparatus aqueous atomic weight B.Sc benzene boiling bromine bulb calcium carbon carbon dioxide cent cerium Chem chemical chemistry chemists chloride cobalt colour compounds concentrated condenser constant containing copper crucible crystallisation crystals D.Sc decomposed decomposition density determined dilute dioxide dissolved distilled effect electric electrolyte ether ethyl evaporated experiments filtered flask formed fractions gases gives grms heat hemolysis hydrate hydrazine hydrochloric acid hydrogen hydrogen chloride hydroxide investigation iodide iron laboratory liquid melting mercury metal method mgrms mixture molecular molecules neodymium nitrate nitric acid nitrogen obtained ordinary oxide oxidised oxygen paper platinum potassium praseodymium precipitate prepared present pressure Prof pure quantity radium reaction reagent reduced residue salt sample silver Society sodium soluble solution solvent substances sulphate sulphuric acid temperature theory tion tube vapour volume zinc