Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 180
... acetone . The reagent used was a saturated solution of p - toluic acid in 94 per cent . acetone . The strontium and calcium chloride solutions used contained 10 mg . of the metal per cc . of the solution . One cc . portions of calcium ...
... acetone . The reagent used was a saturated solution of p - toluic acid in 94 per cent . acetone . The strontium and calcium chloride solutions used contained 10 mg . of the metal per cc . of the solution . One cc . portions of calcium ...
Strona 181
... acetone , methanol , and ethanol solutions . The acids used were p - hydroxybenzoic , o - bromoben- zoic , m - bromobenzoic , m - hydroxybenzoic , o - nitrobenzoic , o - toluic , cinnamic , succinic , maleic , malonic , lactic , citric ...
... acetone , methanol , and ethanol solutions . The acids used were p - hydroxybenzoic , o - bromoben- zoic , m - bromobenzoic , m - hydroxybenzoic , o - nitrobenzoic , o - toluic , cinnamic , succinic , maleic , malonic , lactic , citric ...
Strona 182
... acetone . The mixture was filtered and the filtrate was tested for calcium with one or two drops of dilute sulphuric acid . Table VI shows the concentrations of the various ions in milligrams , and the results of the separa- tion by acetone ...
... acetone . The mixture was filtered and the filtrate was tested for calcium with one or two drops of dilute sulphuric acid . Table VI shows the concentrations of the various ions in milligrams , and the results of the separa- tion by acetone ...
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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