Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 179
... stirring . Table II shows the results of these attempts to precipitate basic magnesium carbonate . TABLE II . Separation of Magnesium from Sodium and Potassium . ( Concentration expressed as mg . of cation in total volume of test ...
... stirring . Table II shows the results of these attempts to precipitate basic magnesium carbonate . TABLE II . Separation of Magnesium from Sodium and Potassium . ( Concentration expressed as mg . of cation in total volume of test ...
Strona 182
... stirring rod and then treated with 10 cc , of acetone . The mixture was filtered and the filtrate was tested for calcium with one or two drops of dilute sulphuric acid . Table VI shows the concentrations of the various ions in ...
... stirring rod and then treated with 10 cc , of acetone . The mixture was filtered and the filtrate was tested for calcium with one or two drops of dilute sulphuric acid . Table VI shows the concentrations of the various ions in ...
Strona 183
... stirring . 3. Residue from 1. This contains the carbonates of calcium , calcium , barium and strontium . Dissolve in dilute nitric acid . ( 1-10 ) . Use only enough to convert carbonates to nitrates . The nitric acid filtrate is ...
... stirring . 3. Residue from 1. This contains the carbonates of calcium , calcium , barium and strontium . Dissolve in dilute nitric acid . ( 1-10 ) . Use only enough to convert carbonates to nitrates . The nitric acid filtrate is ...
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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