Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3779Chemical news office., 1932 |
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Strona 164
... discard the residue , which contains cadmium hydroxide , cad- mium sulphide , and the insoluble cadmium salts of ... discarding all except the first wash- ing , which is added to the filtrate . residue contains barium or calcium sulphate ...
... discard the residue , which contains cadmium hydroxide , cad- mium sulphide , and the insoluble cadmium salts of ... discarding all except the first wash- ing , which is added to the filtrate . residue contains barium or calcium sulphate ...
Strona 165
... Discard the filtrate and washings which contain any tartrate which may have been present . Dissolve the residue in 10 cc . of 3 N nitric acid by pour- ing the acid over the residue on the filter paper . If all of the residue does not ...
... Discard the filtrate and washings which contain any tartrate which may have been present . Dissolve the residue in 10 cc . of 3 N nitric acid by pour- ing the acid over the residue on the filter paper . If all of the residue does not ...
Strona 167
... discard all except the first washing , which is 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 ...
... discard all except the first washing , which is 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 ...
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Kluczowe wyrazy i wyrażenia
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