Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... mixture just to boiling . Stir continuously , and add 3 cc . of potassium chromate solution in small portions . A yellow precipitate shows the presence of barium . Heat the mixture . to boiling again and filter . Test for com plete ...
... mixture just to boiling . Stir continuously , and add 3 cc . of potassium chromate solution in small portions . A yellow precipitate shows the presence of barium . Heat the mixture . to boiling again and filter . Test for com plete ...
Strona 179
... mixture stand 10 or 15 minutes . 2. THE SEPARATION OF MAGNES- IUM FROM THE ALKALI METALS BY ACETONE AND AMMONIUM ... mixtures were allowed to stand 15 to 30 minutes with frequent stirring . Table II shows the results of these attempts to ...
... mixture stand 10 or 15 minutes . 2. THE SEPARATION OF MAGNES- IUM FROM THE ALKALI METALS BY ACETONE AND AMMONIUM ... mixtures were allowed to stand 15 to 30 minutes with frequent stirring . Table II shows the results of these attempts to ...
Strona 180
... mixture of alcohol and ether in which calcium nitrate is soluble . Bailar ( 11 ) has found a rather large solubility ... mixtures were thoroughly shaken , and 1 cc . of saturated p - toluic acid solution was added . There were no ...
... mixture of alcohol and ether in which calcium nitrate is soluble . Bailar ( 11 ) has found a rather large solubility ... mixtures were thoroughly shaken , and 1 cc . of saturated p - toluic acid solution was added . There were no ...
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Kluczowe wyrazy i wyrażenia
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