Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 178
... tion in dilute acetic acid ; use no more acid than is necessary . Evaporate the solution ( filter if it is not clear ) just to dryness ; and then add 2 cc . of 6 N acetic acid , 10 cc . of water , and 3 cc . of 3 N ammonium acetate ...
... tion in dilute acetic acid ; use no more acid than is necessary . Evaporate the solution ( filter if it is not clear ) just to dryness ; and then add 2 cc . of 6 N acetic acid , 10 cc . of water , and 3 cc . of 3 N ammonium acetate ...
Strona 182
... tion by acetone . TABLE VI . The Separation of Calcium Nitrate from Barium and Strontium Nitrates by Acetone . Conc . Conc . Conc . Solution Ba ++ Sr ++ 234 SON∞ Ca ++ Test for Ca ++ by H2SO Heavy pp't . Number ( mgs . ) ( mgs ...
... tion by acetone . TABLE VI . The Separation of Calcium Nitrate from Barium and Strontium Nitrates by Acetone . Conc . Conc . Conc . Solution Ba ++ Sr ++ 234 SON∞ Ca ++ Test for Ca ++ by H2SO Heavy pp't . Number ( mgs . ) ( mgs ...
Strona 190
... tion of the constituent substances of perfumes . The remaining chapters deal with the essential oils of lavender , lemon , rose and jasmine , menthol ( and peppermint oil ) and vanillin , the author having deemed it better to review the ...
... tion of the constituent substances of perfumes . The remaining chapters deal with the essential oils of lavender , lemon , rose and jasmine , menthol ( and peppermint oil ) and vanillin , the author having deemed it better to review 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