Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 2
... distillate was redistilled and a fraction collected between 90. Beets ( dry basis ) . d Tops . Roots . Tops . Roots . Series No. Treatment of manure per 8 bushels . Ash . Boron as boric acid , Boron as boric acid , Ash . Boron as boric ...
... distillate was redistilled and a fraction collected between 90. Beets ( dry basis ) . d Tops . Roots . Tops . Roots . Series No. Treatment of manure per 8 bushels . Ash . Boron as boric acid , Boron as boric acid , Ash . Boron as boric ...
Strona 4
... distillation of liquid ensued , and the heating was continued until the flow of distillate had considerably slackened , then the burners were removed . The residue in the flask was poured out while still hot . If the heating was ...
... distillation of liquid ensued , and the heating was continued until the flow of distillate had considerably slackened , then the burners were removed . The residue in the flask was poured out while still hot . If the heating was ...
Strona 12
... Distilling Industry . " G. T. PURVES , " Extraction of Tar Fog from Hot Gas . " C. M. WHITTAKER ( British Dyes , Ltd. ) , " Difficulties of Coal Tar Colour - making in War time . " D. F. C. War . " B. DoOTT , " Production of Alkaloids ...
... Distilling Industry . " G. T. PURVES , " Extraction of Tar Fog from Hot Gas . " C. M. WHITTAKER ( British Dyes , Ltd. ) , " Difficulties of Coal Tar Colour - making in War time . " D. F. C. War . " B. DoOTT , " Production of Alkaloids ...
Strona 22
... distillation when several substances were obtained , but the quantities were too small to permit a careful examination . During the distillation , there was a distinct odour of ether . The viscous insoluble material remaining in the ...
... distillation when several substances were obtained , but the quantities were too small to permit a careful examination . During the distillation , there was a distinct odour of ether . The viscous insoluble material remaining in the ...
Strona 24
... DISTILLING , MARGARINE MANUFACTURE , and ALLIED INDUSTRIES . Laboratories equipped for Research Students . An ENTRANCE BURSARY of £ 25 is offered for competition on September 26th . For full information apply to the PRINCIPAL at the ...
... DISTILLING , MARGARINE MANUFACTURE , and ALLIED INDUSTRIES . Laboratories equipped for Research Students . An ENTRANCE BURSARY of £ 25 is offered for competition on September 26th . For full information apply to the PRINCIPAL at the ...
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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