Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 9
... acid . Myristic acid ( 125 grms . ) was recovered from the washings , mixed afresh with glacial acetic acid , and again treated . When the products from the two opera- tions were fractionally distilled , 200 grms . of methyl - n ...
... acid . Myristic acid ( 125 grms . ) was recovered from the washings , mixed afresh with glacial acetic acid , and again treated . When the products from the two opera- tions were fractionally distilled , 200 grms . of methyl - n ...
Strona 10
... acid is treated with derivatives , esters of carbonic acids , a new hydrocarbon , malonic acid or its ester in the presence of warm con- namely , 1 : 2 - dimethylcyclopropane , and some others . The centrated sulphuric acid a vigorous ...
... acid is treated with derivatives , esters of carbonic acids , a new hydrocarbon , malonic acid or its ester in the presence of warm con- namely , 1 : 2 - dimethylcyclopropane , and some others . The centrated sulphuric acid a vigorous ...
Strona 11
... acid " the optical activity is due to the enantiomorphous configuration of the molecule as a whole . " This is certainly true , not only of this acid , but of every optically active substance whatever , and the author stated it in the ...
... acid " the optical activity is due to the enantiomorphous configuration of the molecule as a whole . " This is certainly true , not only of this acid , but of every optically active substance whatever , and the author stated it in the ...
Strona 15
... acid is to be avoided , as it tends to make the result too low , which is also the experience of of Mr. L. D. Havenhill of the committee . The best results were obtained by carrying out the details as follows : - Dissolve about o'5 grm ...
... acid is to be avoided , as it tends to make the result too low , which is also the experience of of Mr. L. D. Havenhill of the committee . The best results were obtained by carrying out the details as follows : - Dissolve about o'5 grm ...
Strona 16
... acid at room temperature and did not absorb bromine . Elementary analysis gave the following figures : - Calculated for C81H64 . Carbon .. Hydrogen Found . 84.14 15701 85.32 14.68 The method by which this body was obtained fixes it as ...
... acid at room temperature and did not absorb bromine . Elementary analysis gave the following figures : - Calculated for C81H64 . Carbon .. Hydrogen Found . 84.14 15701 85.32 14.68 The method by which this body was obtained fixes it as ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic acid action added alcohol alkali alloys aluminium ammonia ammonium amount Analysis APPARATUS atom barium boiling bromine carbon cent cerium Chem CHEMICAL NEWS Office Chemistry chemists chloride chromium CLERKENWELL ROAD colour compounds containing copper creatinine crucible crystallises crystals D.Sc decomposition described determined dilute dioxide dissolved Edition electric electrolytic ester ether ethyl experiments extract Farringdon Street ferric filtered filtrate flask formaldehyde gives gliadin graphite heat hydrate hydrochloric acid hydrogen hydroxide iodide iodine iron Laboratory lead liquid London melting melting-point mercury metal method mgrm mixture molecular molecules Newcastle Street nitric acid nitrogen obtained oxide oxidised oxygen paper phenol Physical platinum potassium precipitate prepared present Price Prof pure quantity radium reaction residue salts samples Sir William Crookes Society sodium sodium hydroxide soil soluble solution substance sulphate sulphide sulphuric acid temperature tion titration tube vanadium volume washed weight Yeast zinc