Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 181
... salts of these two metals in 94 per cent . acetone , methanol , and ethanol solutions . The acids used were p - hydroxybenzoic , o - bromoben- zoic , m - bromobenzoic , m - hydroxybenzoic , o - nitrobenzoic , o - toluic , cinnamic ...
... salts of these two metals in 94 per cent . acetone , methanol , and ethanol solutions . The acids used were p - hydroxybenzoic , o - bromoben- zoic , m - bromobenzoic , m - hydroxybenzoic , o - nitrobenzoic , o - toluic , cinnamic ...
Strona 182
... salts . The anhydrous salts were powdered with a stirring rod and then treated with 10 cc , of acetone . The mixture was filtered and the filtrate was tested for calcium with one or two drops of dilute sulphuric acid . Table VI shows ...
... salts . The anhydrous salts were powdered with a stirring rod and then treated with 10 cc , of acetone . The mixture was filtered and the filtrate was tested for calcium with one or two drops of dilute sulphuric acid . Table VI shows ...
Strona 183
... 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 loss by spattering . Powder the anhydrous salts with a stirring rod , cool and then add 10 cc ...
... 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 loss by spattering . Powder the anhydrous salts with a stirring rod , cool and then add 10 cc ...
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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