Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 1
... Furthermore , the manure was not allowed to stand and leach for longer than ten days ; conse- quently , practically the entire amount of borax added reached the soil . Beets ( dry basis ) . d Tops . Roots THE CHEMICAL NEWS. ...
... Furthermore , the manure was not allowed to stand and leach for longer than ten days ; conse- quently , practically the entire amount of borax added reached the soil . Beets ( dry basis ) . d Tops . Roots THE CHEMICAL NEWS. ...
Strona 2
... added 2. 1'5 pound of calcined colemanite added .. 3. I pound of borax added .. .. 15:55 0'0103 Trace 23'10 0.0315 12'96 0'0097 Trace 21.69 0'0402 17'74 12'75 0.0020 0'0025 12:58 0'0097 22.39 0.0120 14 ° 52 0'0054 4. I pound of borax ...
... added 2. 1'5 pound of calcined colemanite added .. 3. I pound of borax added .. .. 15:55 0'0103 Trace 23'10 0.0315 12'96 0'0097 Trace 21.69 0'0402 17'74 12'75 0.0020 0'0025 12:58 0'0097 22.39 0.0120 14 ° 52 0'0054 4. I pound of borax ...
Strona 3
... added , and the solution was warmed , filtered , washed , and made to 100 cc . volume . A 50 cc . aliquot was usually taken for the determination of the boron , but this varied according to the amount present . To the 50 cc . aliquot ...
... added , and the solution was warmed , filtered , washed , and made to 100 cc . volume . A 50 cc . aliquot was usually taken for the determination of the boron , but this varied according to the amount present . To the 50 cc . aliquot ...
Strona 15
... added gradually with con- stant stirring till present in some excess , 15 cc . being the volume actually used . The precipitate , after having been thoroughly coagulated by stirring , was thrown on to a paper filter and washed with a 1 ...
... added gradually with con- stant stirring till present in some excess , 15 cc . being the volume actually used . The precipitate , after having been thoroughly coagulated by stirring , was thrown on to a paper filter and washed with a 1 ...
Strona 15
... added and the hydrogen sulphide thus liberated removed by boiling . After cooling to room temperature 25 grms . of ammonium acetate were added , the volume made up to 400 or 500 cc . , and a 5 per cent " cupferron " solution added in ...
... added and the hydrogen sulphide thus liberated removed by boiling . After cooling to room temperature 25 grms . of ammonium acetate were added , the volume made up to 400 or 500 cc . , and a 5 per cent " cupferron " solution added in ...
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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