Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 177
... oxalates , and other salts of the cations of the alkaline earth group has been fre- quently suggested . Among these suggestions we may mention that of Fresenius and Ruppert ( 1 ) who separated calcium and strontium as chromates in 30 ...
... oxalates , and other salts of the cations of the alkaline earth group has been fre- quently suggested . Among these suggestions we may mention that of Fresenius and Ruppert ( 1 ) who separated calcium and strontium as chromates in 30 ...
Strona 178
... oxalate reagent . A fine white precipitate shows the presence of calcium . Filter . Test for complete precipitation ... oxalate solution was then added to each . It was found that the oxalates of barium , strontium , and calcium are much ...
... oxalate reagent . A fine white precipitate shows the presence of calcium . Filter . Test for complete precipitation ... oxalate solution was then added to each . It was found that the oxalates of barium , strontium , and calcium are much ...
Strona 182
... oxalate or barium sulphate . For this reason sul- phuric acid is a better precipitating agent , since strontium and barium sul- phates may be removed from the calcium sulphate in a water solution . This separation is made by adding 5 cc ...
... oxalate or barium sulphate . For this reason sul- phuric acid is a better precipitating agent , since strontium and barium sul- phates may be removed from the calcium sulphate in a water solution . This separation is made by adding 5 cc ...
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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