Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 162
... added directly to their aqueous solutions . Methyl , ethyl , and other alcohols were also added in the place of acetone . With ethyl alcohol precipitates were obtained in every case , but the other solvents did not yield precipitates of ...
... added directly to their aqueous solutions . Methyl , ethyl , and other alcohols were also added in the place of acetone . With ethyl alcohol precipitates were obtained in every case , but the other solvents did not yield precipitates of ...
Strona 166
... added to prevent the de- position of sulphur in case thiosulphate is present . In the presence of sodium acetate there is no precipitation of sulphur when a concentrated solution of sodium thiosulphate is acidified with 1 N acetic acid ...
... added to prevent the de- position of sulphur in case thiosulphate is present . In the presence of sodium acetate there is no precipitation of sulphur when a concentrated solution of sodium thiosulphate is acidified with 1 N acetic acid ...
Strona 167
... added to the filtrate . Save the filtrate for ( 3 ) . 2. Detection of Ferricyanide . To the residue from step ( 1 ) , on the filter paper , add 10 cc . of 2 N sodium hydroxide solu- tion . If all of the residue does not dissolve , pour ...
... added to the filtrate . Save the filtrate for ( 3 ) . 2. Detection of Ferricyanide . To the residue from step ( 1 ) , on the filter paper , add 10 cc . of 2 N sodium hydroxide solu- tion . If all of the residue does not dissolve , pour ...
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acetic acid acetone add 10 cc added addition alkaline alloys ammonium hydroxide analysis anions annealing arsenate arsenite barium and calcium barium nitrate boiling borate calcium nitrates carbonate Chem Chemical chloride chromate colour complete consisting containing Cool crystals cyanide Detection determine dilute discard dissolve distortion drops effect excess fatigue ferric ferrocyanide Filter filtrate flask fluoride followed formate forms give grams heat Heavy hydrogen hydroxide increase indicates insoluble Institution ions lead Lecture London material Mechanical metals methods minutes mixture moulds nickel obtained oxalate Patent phosphate plant portion potassium precipitate precipitate forms precipitation is complete present produced published reduction removed salts saturated Save Sensitivity Separation September shown silver Slight sodium soluble solution solution containing step studied Sub-Group sufficiently sulphide sulphuric acid tartrate temperature test tube thiocyanate thiosulphate tion various volume Wash the residue white precipitate wire Yellow