Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... Dilute the solution to a volume of 10 cc . , add 15 cc . of acetone and 15 cc . of 9 N ammonium carbonate solution . Let the mixture stand 15 minutes with . frequent shaking . A precipitate indicates the presence of the alkaline earth ...
... Dilute the solution to a volume of 10 cc . , add 15 cc . of acetone and 15 cc . of 9 N ammonium carbonate solution . Let the mixture stand 15 minutes with . frequent shaking . A precipitate indicates the presence of the alkaline earth ...
Strona 182
... dilute sulphuric acid . Table VI shows the concentrations of the various ions in milligrams , and the results of the separa- tion by acetone . TABLE VI . The Separation of Calcium Nitrate from Barium and Strontium Nitrates by Acetone ...
... dilute sulphuric acid . Table VI shows the concentrations of the various ions in milligrams , and the results of the separa- tion by acetone . TABLE VI . The Separation of Calcium Nitrate from Barium and Strontium Nitrates by Acetone ...
Strona 183
... dilute acetic acid , and 5 cc . of 3 N ammonium acetate solution . The mix- ture was heated just to boiling , and 1 , cc . of 3 N potassium chromate was added drop by drop . The barium chromate was separated by filtering . Ten CC . of ...
... dilute acetic acid , and 5 cc . of 3 N ammonium acetate solution . The mix- ture was heated just to boiling , and 1 , cc . of 3 N potassium chromate was added drop by drop . The barium chromate was separated by filtering . Ten CC . of ...
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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