Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... Residue from 1. Dissolve the residue from the ammonium carbonate precipita- tion in dilute acetic acid ; use no more acid than is necessary . Evaporate the solution ( filter if it is not clear ) just to dryness ; and then add 2 cc . of ...
... Residue from 1. Dissolve the residue from the ammonium carbonate precipita- tion in dilute acetic acid ; use no more acid than is necessary . Evaporate the solution ( filter if it is not clear ) just to dryness ; and then add 2 cc . of ...
Strona 183
... Residue from 1. This contains the carbonates of calcium , calcium , barium and strontium . Dissolve in dilute nitric ... Residue from 3. Dissolve the residue in 5 cc . of water and then add 1 cc . of dilute acetic acid and 5 cc . of 3 N ...
... Residue from 1. This contains the carbonates of calcium , calcium , barium and strontium . Dissolve in dilute nitric ... Residue from 3. Dissolve the residue in 5 cc . of water and then add 1 cc . of dilute acetic acid and 5 cc . of 3 N ...
Strona 192
... residue containing copper and nickel chlorides and con- centrating the ferrous chloride in the remainder of the charge . The materal is passed in counter- current with chlorine through a rotary reaction chamber and the temperature is ...
... residue containing copper and nickel chlorides and con- centrating the ferrous chloride in the remainder of the charge . The materal is passed in counter- current with chlorine through a rotary reaction chamber and the temperature is ...
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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