Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 182
... obtained as shown for sulphuric acid in Table II . Sometimes a scanty precipitate is obtained on the addition of oxalic acid , or sulphuric acid , to the acetone solution , although no calcium nitrate is present . In this case it is ...
... obtained as shown for sulphuric acid in Table II . Sometimes a scanty precipitate is obtained on the addition of oxalic acid , or sulphuric acid , to the acetone solution , although no calcium nitrate is present . In this case it is ...
Strona 187
Fairly good and reproducible results were obtained without the presence of an indica- tor but the results with the sodium com- pound of fluorescein indicator were not good . in acid solution was also for the estimation of the strength ...
Fairly good and reproducible results were obtained without the presence of an indica- tor but the results with the sodium com- pound of fluorescein indicator were not good . in acid solution was also for the estimation of the strength ...
Strona 192
... obtained from the Patent Office , 25 , Southamp- ton Buildings , London , W.C. 2 , price 1 / - weekly ( annual subscription £ 2 10s . Od . ) . Abstract Published . Group Abridgments can be obtained from the Patent Office , 25 ...
... obtained from the Patent Office , 25 , Southamp- ton Buildings , London , W.C. 2 , price 1 / - weekly ( annual subscription £ 2 10s . Od . ) . Abstract Published . Group Abridgments can be obtained from the Patent Office , 25 ...
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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