Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... Evaporate the solution ( filter if it is not clear ) just to dryness ; and then add 2 cc . of 6 N acetic acid , 10 cc . of water , and 3 cc . of 3 N ammonium acetate solution to the residue . Heat the mixture just to boiling . Stir ...
... Evaporate the solution ( filter if it is not clear ) just to dryness ; and then add 2 cc . of 6 N acetic acid , 10 cc . of water , and 3 cc . of 3 N ammonium acetate solution to the residue . Heat the mixture just to boiling . Stir ...
Strona 182
... evaporated to dryness on a water bath ; the residue was then heated on an air bath to prepare the anhydrous salts . The anhydrous salts were powdered with a stirring rod and then treated with 10 cc , of acetone . The mixture was ...
... evaporated to dryness on a water bath ; the residue was then heated on an air bath to prepare the anhydrous salts . The anhydrous salts were powdered with a stirring rod and then treated with 10 cc , of acetone . The mixture was ...
Strona 183
... evaporated to dryness on a water bath and then heated on an air bath to prepare the anhydrous salts . Place a watch glass over the top of the vessel containing the partially dry salts before heating on an air bath in order to prevent ...
... evaporated to dryness on a water bath and then heated on an air bath to prepare the anhydrous salts . Place a watch glass over the top of the vessel containing the partially dry salts before heating on an air bath in order to prevent ...
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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