Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... Sample solutions were prepared so that each contained different amounts of barium , calcium , magnesium , and strontium . The sample solutions were analyzed according to the above procedure . The composition of these solutions are ...
... Sample solutions were prepared so that each contained different amounts of barium , calcium , magnesium , and strontium . The sample solutions were analyzed according to the above procedure . The composition of these solutions are ...
Strona 179
... sample solutions were pre- pared , each containing a different con- centration of the three metals . These were diluted to 10 cc .; and then to 15 cc . of acetone and 15 cc . of 9 N ammonium carbonate solution were added to each . The ...
... sample solutions were pre- pared , each containing a different con- centration of the three metals . These were diluted to 10 cc .; and then to 15 cc . of acetone and 15 cc . of 9 N ammonium carbonate solution were added to each . The ...
Strona 182
... sample solutions were prepared containing various 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 ...
... sample solutions were prepared containing various 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 ...
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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