Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
Z wnętrza książki
Wyniki 1 - 5 z 99
Strona 3
... boiling point at 760 mm . is given by Krafft as 149.5 ° and the specific gravity , com- pared to water at 4 ° , is as follows : 0 ° , 07330 ; 13'5 ° , 07228 ; 15 ° , 0 · 7217 ; 20 ° , 0'7177 ; 99'1o , 0 · 6541 . We found the boiling ...
... boiling point at 760 mm . is given by Krafft as 149.5 ° and the specific gravity , com- pared to water at 4 ° , is as follows : 0 ° , 07330 ; 13'5 ° , 07228 ; 15 ° , 0 · 7217 ; 20 ° , 0'7177 ; 99'1o , 0 · 6541 . We found the boiling ...
Strona 4
... boiling at 152—157 ° was that used in subsequent work . 3 - Iodononane . - This was obtained from 3 - nonanol by the usual procedure for the conversion of alcohols into iodides . In a typical experiment 40 grms . of 3 - nonanol were ...
... boiling at 152—157 ° was that used in subsequent work . 3 - Iodononane . - This was obtained from 3 - nonanol by the usual procedure for the conversion of alcohols into iodides . In a typical experiment 40 grms . of 3 - nonanol were ...
Strona 5
... boil water in a thick - walled glass bottle . When we find he has successfully set up an apparatus to generate hydrogen , but on closer inspection discover that he has used glass rods throughout , instead of tubing , we become more ...
... boil water in a thick - walled glass bottle . When we find he has successfully set up an apparatus to generate hydrogen , but on closer inspection discover that he has used glass rods throughout , instead of tubing , we become more ...
Strona 12
... boiling - point , and have studied separately the effects of varying the following factors - concentration of acid , speed of attack , exposure to light influence of the tempera- ture of comparison , clearness of the coloured liquids ...
... boiling - point , and have studied separately the effects of varying the following factors - concentration of acid , speed of attack , exposure to light influence of the tempera- ture of comparison , clearness of the coloured liquids ...
Strona 15
... boiling water and precipitating the thorium with a boiling solution of sebacic acid according to the method of Smith and James ( Journ . Am . Chem . Soc . , 1912 , xxxiv . , 281 ) . The thoroughly washed precipitate was dried and ...
... boiling water and precipitating the thorium with a boiling solution of sebacic acid according to the method of Smith and James ( Journ . Am . Chem . Soc . , 1912 , xxxiv . , 281 ) . The thoroughly washed precipitate was dried and ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetate acetone added aluminium aluminium chloride ammonia ammonium amount analysis antimony apparatus applied B.Sc benzene boiling boron British bromine carbon carotin cent Chem CHEMICAL NEWS Office chemist Chemistry chloric acid College colour commercial compounds concentrated containing copper course crucible D.Sc determined dilute dissolved distillation dyeing Engineering ether ethyl alcohol evaporated experiments extract Farringdon Street ferric chloride filter filtrate flask glass heated hydrochloric acid hydrogen hydrolysis industry insoluble investigation iodide iron Laboratory Lectures London manufacture material metal method mixture monazite Newcastle Street nitrate nitric acid nitrogen obtained organisation oxide paper phosphate physical plant platinum potassium practical precipitate prepared present Price production Prof pure quantity radium reaction reagent residue salt samples scientific silica Society sodium soluble solution starch Students substances sulphate sulphide sulphuric acid Table Technical temperature thorium tion toluene trade Trinitrotoluene tube volume washed weight