Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... minutes with . frequent shaking . A precipitate indicates the presence of the alkaline earth metals . Filter and wash the precipitate with ammonium carbonate solution . Test the filtrate for complete precipitation . 2. Residue from 1 ...
... minutes with . frequent shaking . A precipitate indicates the presence of the alkaline earth metals . Filter and wash the precipitate with ammonium carbonate solution . Test the filtrate for complete precipitation . 2. Residue from 1 ...
Strona 179
... minutes . 2. THE SEPARATION OF MAGNES- IUM FROM THE ALKALI METALS BY ACETONE AND AMMONIUM CARBONATE . When magnesium is separated from barium , strontium , and calcium in the usual manner , the separation of magnes- ium from sodium and ...
... minutes . 2. THE SEPARATION OF MAGNES- IUM FROM THE ALKALI METALS BY ACETONE AND AMMONIUM CARBONATE . When magnesium is separated from barium , strontium , and calcium in the usual manner , the separation of magnes- ium from sodium and ...
Strona 184
... minutes in a suitable electrolyte ; it has a good green colour and is quite insoluble in water . The deposit on leaving the bath has a composition represented by the formula . CuSO4.Cu ( OH ) 2 ; on exposure to the open air a ...
... minutes in a suitable electrolyte ; it has a good green colour and is quite insoluble in water . The deposit on leaving the bath has a composition represented by the formula . CuSO4.Cu ( OH ) 2 ; on exposure to the open air a ...
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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