Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 3
... determining boron in foods and other material have been devised . When small amounts are present , as was the case in the present experiments , it is determined colorimetrically , using curcumin , the active principle in turmeric ...
... determining boron in foods and other material have been devised . When small amounts are present , as was the case in the present experiments , it is determined colorimetrically , using curcumin , the active principle in turmeric ...
Strona 8
... determined by their central organisation at Glasgow , and these are governed by the quotations of foreign im ... determination of species . Having examined a large number of specimens of the Pennatulacea collected by the Siboga ...
... determined by their central organisation at Glasgow , and these are governed by the quotations of foreign im ... determination of species . Having examined a large number of specimens of the Pennatulacea collected by the Siboga ...
Strona 15
... required permission of the War Office , and he will forward copies direct from the Office to any neutral country on receipt of instructions . The purity of each of these combinations was carefully determined Advertisements . CHEMICAL NEWS ,
... required permission of the War Office , and he will forward copies direct from the Office to any neutral country on receipt of instructions . The purity of each of these combinations was carefully determined Advertisements . CHEMICAL NEWS ,
Strona 16
... determined by photography of the visible and ultraviolet regions of the absorption spectrum with a Féry quartz spectrograph . The solutions were prepared by dissolving 2 grm . portions of the ignited oxides in a slight excess of nitric ...
... determined by photography of the visible and ultraviolet regions of the absorption spectrum with a Féry quartz spectrograph . The solutions were prepared by dissolving 2 grm . portions of the ignited oxides in a slight excess of nitric ...
Strona 18
... determined by the loss in weight when the main bulk of the precipitate was fused in a porcelain crucible . The ... determination of the solubility product of silver chloride at 25 ° , 17 X 10-10 , the solubility in o'0003 normal silver ...
... determined by the loss in weight when the main bulk of the precipitate was fused in a porcelain crucible . The ... determination of the solubility product of silver chloride at 25 ° , 17 X 10-10 , the solubility in o'0003 normal silver ...
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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