Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... ammonium carbonate solution . Let the mixture stand 15 minutes with ... hydroxide until the solution changes from orange . to yellow and then add ... ammonium oxalate solution , and if no precipitate forms immediately , let stand about 15 ...
... ammonium carbonate solution . Let the mixture stand 15 minutes with ... hydroxide until the solution changes from orange . to yellow and then add ... ammonium oxalate solution , and if no precipitate forms immediately , let stand about 15 ...
Strona 180
... ammonium hydroxide were added in each case . • TABLE III . The Precipitation of Strontium as Para- Toluate . Result on Adcition of p - Toluic Acid and Armonium Hydroxide Crystalline precipitate forms immediately Crystalline precipitate ...
... ammonium hydroxide were added in each case . • TABLE III . The Precipitation of Strontium as Para- Toluate . Result on Adcition of p - Toluic Acid and Armonium Hydroxide Crystalline precipitate forms immediately Crystalline precipitate ...
Strona 181
... ammonium p - bromobenzoates in 94 per cent . acetone solution as a reagent instead of the acid ; it appeared ... hydroxide . It was found that sodium hydroxide could be used to replace ammonium hydroxide . When sodium carbonate and other ...
... ammonium p - bromobenzoates in 94 per cent . acetone solution as a reagent instead of the acid ; it appeared ... hydroxide . It was found that sodium hydroxide could be used to replace ammonium hydroxide . When sodium carbonate and other ...
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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