Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 1
... material assistance in arranging for the experiments in the South ) . Certain deposits of boron have been known for centuries , but the wide distribution of this element in mineral and vegetable matter has been recognised only during ...
... material assistance in arranging for the experiments in the South ) . Certain deposits of boron have been known for centuries , but the wide distribution of this element in mineral and vegetable matter has been recognised only during ...
Strona 7
... materials . Relations with applications of chemistry are essential . The atmos- phere of everyday life is full of ... material . Cement and glass are of immense importance , but is the laboratory equipped for the optical and physico ...
... materials . Relations with applications of chemistry are essential . The atmos- phere of everyday life is full of ... material . Cement and glass are of immense importance , but is the laboratory equipped for the optical and physico ...
Strona 15
... material examined was purified first by crystallisation of the double ammonium nitrate and then by crystallisation of the nitrate from concen- trated nitric acid . The first process was found particu- larly successful in eliminating ...
... material examined was purified first by crystallisation of the double ammonium nitrate and then by crystallisation of the nitrate from concen- trated nitric acid . The first process was found particu- larly successful in eliminating ...
Strona 16
... material was very kindly fur- nished by Prof. C. James , of New Hampshire College ) . By comparing photographs of the different fractions with those of the material containing known amounts of samarium , it was possible to estimate with ...
... material was very kindly fur- nished by Prof. C. James , of New Hampshire College ) . By comparing photographs of the different fractions with those of the material containing known amounts of samarium , it was possible to estimate with ...
Strona 19
... material . - Journal of the American Chemical Society , xxxviii . , No. 2 . THE CONTENT , METHOD , AND RESULTS OF THE HIGH SCHOOL COURSE IN CHEMISTRY . * By ALEXANDER SMITH , Columbia University , New York City ( Concluded from p . 8 ) ...
... material . - Journal of the American Chemical Society , xxxviii . , No. 2 . THE CONTENT , METHOD , AND RESULTS OF THE HIGH SCHOOL COURSE IN CHEMISTRY . * By ALEXANDER SMITH , Columbia University , New York City ( Concluded from p . 8 ) ...
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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