Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 179
... containing a different con- centration of the three metals . These were diluted to 10 cc .; and then to 15 cc . of acetone and 15 cc . of 9 N ammonium carbonate solution were added to each . The mixtures were allowed to stand 15 to 30 ...
... containing a different con- centration of the three metals . These were diluted to 10 cc .; and then to 15 cc . of acetone and 15 cc . of 9 N ammonium carbonate solution were added to each . The mixtures were allowed to stand 15 to 30 ...
Strona 183
... containing 100 mg . of barium and 5 mg . of strontium gives a heavy precipitate . PROCEDURE FOR SEPARATION OF ALKALINE EARTH METALS . 1. To a solution ( not exceeding 25 cc . in volume ) containing magnesium . calcium , barium , and ...
... containing 100 mg . of barium and 5 mg . of strontium gives a heavy precipitate . PROCEDURE FOR SEPARATION OF ALKALINE EARTH METALS . 1. To a solution ( not exceeding 25 cc . in volume ) containing magnesium . calcium , barium , and ...
Strona 192
... containing iron and other sulphides , e.g. , nickel and copper , with a chlorinating agent , such as chlorine , sulphuryl and sulphur chloride , such an amount of chlorinating agent is used that ferric chloride is formed and carried ...
... containing iron and other sulphides , e.g. , nickel and copper , with a chlorinating agent , such as chlorine , sulphuryl and sulphur chloride , such an amount of chlorinating agent is used that ferric chloride is formed and carried ...
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94 per cent acetic acetone acid added addition agent alcohol ammonium carbonate ammonium hydroxide atom barium and strontium barium nitrates basic calcium and strontium calcium nitrate calories Chem Chemical Chemistry chloride Clinic collinsics combination concentrations containing copper corrosion course Crystalline precipitate desired determine dilute dissolved drops effect elements estimated evaporated experimental filter filtrate forms given gives green Heat Heavy pp't Heavy precipitate indicates Industrial interest London magnesium metals method minutes mixture Molecules nature nitrates of barium Number obtained oxalate oxygen p-bromobenzoate p-toluate p-toluic acid passing Patents per-rhenate points possible potassium potassium chromate precipitate shows prepared presence procedure production Reactions relative Research residue salts Sample solutions saturated separation September sodium solid soluble solvents stand stirring structure substances suitable sulphur Table temperature Test tion Trade Marks treated treatment various volume workers