Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 177
... concentrations of magnesium ion . The volume of each of these solutions was 10 cc . To one solu- tion 15 cc . of acetone were added ; to another of the same concentration were added 15 cc . of absolute alcohol ; and then , 15 cc . of 9 ...
... concentrations of magnesium ion . The volume of each of these solutions was 10 cc . To one solu- tion 15 cc . of acetone were added ; to another of the same concentration were added 15 cc . of absolute alcohol ; and then , 15 cc . of 9 ...
Strona 179
... concentrations of magnesium are present . It was found that 0.5 mg . of calcium per 100 cc . of solution can be detected in the presence of 50 mg . of magnesium ; and in the pre- sence of 300 mg . of magnesium , 1 mg . of calcium can be ...
... concentrations of magnesium are present . It was found that 0.5 mg . of calcium per 100 cc . of solution can be detected in the presence of 50 mg . of magnesium ; and in the pre- sence of 300 mg . of magnesium , 1 mg . of calcium can be ...
Strona 182
... concentrations of cal- cium , barium , and strontium nitrates . Each sample solution 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 ...
... concentrations of cal- cium , barium , and strontium nitrates . Each sample solution 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 ...
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Kluczowe wyrazy i wyrażenia
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