Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 177
... magnesium . During the course of this investigation , it was found that acetone also caused the precipitation of basic magnesium car- bonate and that this solvent appeared somewhat more effective than ethyl alcohol . Sample solutions ...
... magnesium . During the course of this investigation , it was found that acetone also caused the precipitation of basic magnesium car- bonate and that this solvent appeared somewhat more effective than ethyl alcohol . Sample solutions ...
Strona 179
... magnesium ; and in the pre- sence of 300 mg . of magnesium , 1 mg . of calcium can be detected by letting the mixture stand 10 or 15 minutes . 2. THE SEPARATION OF MAGNES- IUM FROM THE ALKALI METALS BY ACETONE AND AMMONIUM CARBONATE ...
... magnesium ; and in the pre- sence of 300 mg . of magnesium , 1 mg . of calcium can be detected by letting the mixture stand 10 or 15 minutes . 2. THE SEPARATION OF MAGNES- IUM FROM THE ALKALI METALS BY ACETONE AND AMMONIUM CARBONATE ...
Strona 183
... magnesium by either procedure ( a ) or ( b ) . ( a ) . To the filtrate from the ammon- ium carbonate precipitate add 1 or 2 cc . of sodium ammonium phosphate . A white crystalline precipitate shows magnesium . ( b ) . Evaporate the ...
... magnesium by either procedure ( a ) or ( b ) . ( a ) . To the filtrate from the ammon- ium carbonate precipitate add 1 or 2 cc . of sodium ammonium phosphate . A white crystalline precipitate shows magnesium . ( b ) . Evaporate the ...
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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