Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 177
... presence. VOL . CXLV . No. 3780 The Separation and Identification of the Alkaline Earth Metals , by Paul E. Williams and H. T. Briscoe Radium Ore by Air from the Great Bear Lake ... 187 ... 177 The Collinsics of Minerals XXIV , by ...
... presence. VOL . CXLV . No. 3780 The Separation and Identification of the Alkaline Earth Metals , by Paul E. Williams and H. T. Briscoe Radium Ore by Air from the Great Bear Lake ... 187 ... 177 The Collinsics of Minerals XXIV , by ...
Strona 178
... PRESENCE OF ACETONE . 1. 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 ...
... PRESENCE OF ACETONE . 1. 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 ...
Strona 179
... presence of 25 per cent . acetone . Tests were made to determine the amount of calcium which could be de- tected in the presence of 25 per cent . acetone when various concentrations of magnesium are present . It was found that 0.5 mg ...
... presence of 25 per cent . acetone . Tests were made to determine the amount of calcium which could be de- tected in the presence of 25 per cent . acetone when various concentrations of magnesium are present . It was found that 0.5 mg ...
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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