Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 180
... dissolved by absolute alcohol , while the nitrates of barium and stron- tium remain undissolved . Prescott and Johnson ( 10 ) recommend the use of alcohol in dissolving strontium and cal- cium chlorides , thus separating them from ...
... dissolved by absolute alcohol , while the nitrates of barium and stron- tium remain undissolved . Prescott and Johnson ( 10 ) recommend the use of alcohol in dissolving strontium and cal- cium chlorides , thus separating them from ...
Strona 181
... dissolved in ether ( 12 ) . A saturated solution of ammonium p - toluate was prepared in this manner and used in place of the saturated p - toluic acid solution . In precipitating strontium with ammonium p - toluate it was found that ...
... dissolved in ether ( 12 ) . A saturated solution of ammonium p - toluate was prepared in this manner and used in place of the saturated p - toluic acid solution . In precipitating strontium with ammonium p - toluate it was found that ...
Strona 183
... Dissolve in dilute nitric acid . ( 1-10 ) . Use only enough to convert carbonates to nitrates . The nitric acid filtrate is evaporated to dryness on a water bath and then heated on an air bath to prepare the anhydrous salts . Place a ...
... Dissolve in dilute nitric acid . ( 1-10 ) . Use only enough to convert carbonates to nitrates . The nitric acid filtrate is evaporated to dryness on a water bath and then heated on an air bath to prepare the anhydrous salts . Place 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