Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
Z wnętrza książki
Wyniki 1 - 3 z 80
Strona 188
... melting at 167 , and having [ a ] D 20 ° + 64.6 ° . Methi - isomorphi- methin methiodide , C16H14O2 ( OCH3 ) N ( CH3 ) 31 , forms needles melting at 265 ° , and for which [ a ] D 17 + 34 ° 7 ° Methi - isomorphimethin methydroxide is ...
... melting at 167 , and having [ a ] D 20 ° + 64.6 ° . Methi - isomorphi- methin methiodide , C16H14O2 ( OCH3 ) N ( CH3 ) 31 , forms needles melting at 265 ° , and for which [ a ] D 17 + 34 ° 7 ° Methi - isomorphimethin methydroxide is ...
Strona 236
... melting - point 187 ° melts at 108 ° , and that from the acid of melting - point 158 ° at 154 ° . During the investigation of the bicyclopentane deriva . tives , it became necessary to prove conclusively that ethyl ...
... melting - point 187 ° melts at 108 ° , and that from the acid of melting - point 158 ° at 154 ° . During the investigation of the bicyclopentane deriva . tives , it became necessary to prove conclusively that ethyl ...
Strona 304
... melting - point was to be determined , and ob- serving the E.M.F. at the moment of melting and conse- quent interruption of the circuit ; the crucible method , on the other hand , involved the introduction of a thermo- element ...
... melting - point was to be determined , and ob- serving the E.M.F. at the moment of melting and conse- quent interruption of the circuit ; the crucible method , on the other hand , involved the introduction of a thermo- element ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic acid action alcohol alkaline aluminium ammonia ammonium amount analysis Apparatus aqueous arsenic atomic weight barium boiling bromide calcium CARBOLIC ACID carbon cent Chem Chemist Chemistry chloride colour compounds containing copper Creed Lane crucible Cryst crystallises crystals decomposed decomposition derivatives determined dextrose dilute dissolved distilled estimation ether ethyl ethyl butyrate evaporated excess experiments filtered filtrate flask gives glass glyoxylic acid HATTON GARDEN heated hydrate hydriodic acid hydrochloric acid hydrogen hydrolysis insoluble iodide iodine iron Laboratory lead liquid London Ludgate Hill MANUFACTURERS matter MEDAL melting metallic method mineral mixture neutralised nitrate nitric acid nitrogen obtained oxalate oxide oxidised oxygen pans peroxide phosphorus platinum potash potassium powder precipitate prepared present Prof pure quantity reaction reduced residue rock salt samples selenium separation silica silver soda sodium soluble solution Street substance sulphate sulphide sulphocyanide sulphuric acid temperature tion tube volume zinc